i'd think the NGK would be better then the autolite 3924. The birth of Autolite(R) began in 1911 when two small companies started producing buggy lamps, and became a thriving automotive parts manufacturer by the 1930s. Detailed Description. Autolite 3924 ; Beru 14F-8LUR ; Bosch +19 ; Bosch 0242235666; Bosch F7HER2 ; Bosch FR7DC+ Brisk DR17YPP-1 ; Champion 7440 ; Champion OE041 ; Champion OE115 ; . This my first engine with this kind of power. The copper core increases the rate of heat conduction in the spark plug tip and improves resistance to all types of fouling. 0000121417 00000 n are non projected. Actually there is a FR45 and it crosses to RC12YC. In the notes section below, Quantity refers to total required for given vehicle. Compatibility information is not available for this item. 7252 New Genuine NGK SPARKPLUGS . 0000556891 00000 n 3924 - Autolite Copper Core Spark Plugs is rated 3.3 out of 5 by 3. 396-375, in that first post , did you mean Autolite 3923 ? . WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. It has a very projected tip and 0.059" gap so it's not for everyone. AR3924 which is a 5 heat range. 0000043251 00000 n Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Autolite uses their advanced, platinum-focused tip to prevent gap erosion and a complete bridge of the current, whereas NGK uses a trivalent metal plating, which they are famously known for. Top . I believe they are in the middle of the heat range, but I'm not sure. Now, finding these plugs is another thing. LS1 Stock and AFR. '88 Tbird..Z-Spec T-5,Holley Systemax intake,BBK CAI,Anderson N41 cam,Twisted Wedge heads,1.6 Scorpions,3G,Mass Air with 24's, Accufab 75mm t-body,140 mph speedo,8.8 with 3.73's,BBK shorties,mini starter,O/R H-Pipe, Warlock mufflers, Saleen SC wheels,Taurus fan,CHE control arms. See more product details. 0000005412 00000 n 0000121878 00000 n **NOTE: Use chart for static compression and adjust heat range for nitrous use accordingly. Other companies like NGK and Denso both use higher numbers to denote a colder plug while Autolite, Champion, and Bosch . Ask a Product Question. With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution. Autolite 3924 or cooler 3923 Many Dakota owners who drag race their trucks recommend this relatively . With 2.020 intake valves, 1.600'' exhaust valves, combustion chamber volumes of 58cc or 60cc, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm. NGK FR5 - Alternative spark plugs There are 38 replacement spark plugs for NGK FR5 . new I seem to remember that your combo is close to mine. I think the FR5 would be better for this application (a step hotter than the FR4 I believe) JMO E85 racer and E85 carb builder www.horsepowerinnovations.com 68 Camaro 427" E85 burning small block. Thank you! Enter product and shipping information below to match the price when you checkout. What size motor & compression do you have? Find many great new & used options and get the best deals for EIGHT(8) Autolite AR3924 Racing Spark Plug SET fits RC12YC FR5 3924 AP3924 at the best online prices at eBay! | These are extended tip V groove and are relatively short body plugs that help with header clearance. Delivery times may vary, especially during peak periods. This Help? 0000008632 00000 n Much appreciated. The Fora platform includes forum software by XenForo. Which plugs are recommended for these heads? E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. Excellent place of business. 0000114780 00000 n There are 32 replacement spark plugs for NGK FR5-1. AUTOLITE. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. 0000021088 00000 n Shop for Autolite Copper Spark Plug 3924 with confidence at AutoZone.com. 0000003802 00000 n 7252 New Genuine NGK SPARKPLUGS, Spark Plug for 1986 Jeep Wagoneer -- 7252-JP NGK, Spark Plug for 1995 Jeep Wrangler -- 7252-KE NGK, V-Power Spark Plug for Viper, Cherokee, Dakota, Grand CherokeeMore 7252, Spark Plug for 1993 Dodge Intrepid -- 7252-HP NGK, Spark Plug for 1990 Jeep Comanche -- 7252-JH NGK, Spark Plug for 1987 Jeep Wagoneer -- 7252-JS NGK, Spark Plug for 1994 Jeep Wrangler -- 7252-KD NGK, Spark Plug for 1999 Dodge Viper -- 7252-HW NGK, For American Motors Chrysler Dodge Dakota 6 X Spark Plugs NGK V Power Resistor. Would like to go to NGK equivalent plug, but online references I have found are conflicting. Get yours online today and pick up in store. trailer <<16F2A438ECAD43AF90E350923B94C621>]/Prev 845485>> startxref 0 %%EOF 105 0 obj <>stream 0000065146 00000 n bvseo-msg: The resource to the URL or file is currently unavailable.. Part# NGK STK # NGK # Comp. Check for correct application and spec/measurements. Atleast that's what a buddy used in his slightly larger BB AFR heads. Today 0000121071 00000 n . JavaScript is disabled. D Da_chevyman Registered Would like to go to NGK equivalent plug, but online references I have found are conflicting. 0000003691 00000 n A forum community dedicated to all LS1 and LT1 powered vehicles owners and enthusiasts. 0000064641 00000 n Yes You are now signed up to receive great E-Mail Offers! Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more! The AC FR3LS is now called a 41-629. They aren't too expensive. For a better experience, please enable JavaScript in your browser before proceeding. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. 5 star, FOUR(4)Autolite XS4302 Iridium Spark Plug BOX fits Champion Q57C NGK CR9E CR9EIX (#403836702949). I think the new Irradium's are gapped at .040, per GM. Free shipping for many products! JavaScript is disabled. Verified purchase: 0000010009 00000 n %PDF-1.4 % Chart is for racing plugs, so not a direct equivalent to NGK street plug part number. Distributor Cap; Glow Plug; Ignition Rotor; Oxygen Sensor; 0000121955 00000 n 0000120920 00000 n $3.69. If there are no interference problems, I'll purchase the other 7. order I recently purchased a set of Trick Flow heads for a 355 (.030 over) small block corvette. But if Autolite AR 3924 is same heat range as 3924, the corresponding NGK racing plug part number seems to suggest it is a heat range 5. 0000013004 00000 n These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. What plugs do you recommend for an LS1 with a 150 shot of nitrous? So, off I go to buy MORE plugs. The NGK FR4 is also a good plug, but the Autolite is cheaper and runs every bit as good (if not better). SHP Block.CNC Ported Edelbrock 215cc Heads. 0000371685 00000 n These plugs enhance ignitability, lower the voltage requirements of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Spark Plug Reach (mm): 19.05mm Manufacturer Heat Range: 5 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: Nickel alloy Electrode Core Material: Copper Center Electrode Type: Projected Every few years someone will come up with some different electrode design, put a higher price tag on it, and market the crap out of it to try and get more $ out of people that erroniously think they will get more power out of more expensive plugs. AFR recommends Autolite 3924 for comp. The cross references are for general reference only, please check for correct specifications and measurements for your application. The Fora platform includes forum software by XenForo. Thread - 14mm. 0000043476 00000 n 2015 Challenger Scat Pack 6-Speed B5 Pearl Blue. near you HTK9E 6z K%,)j4ZK[4NF}l?}F]G4Z,nLX+FXwg?^{*ph=-c#kHF,bx-4s-L}vm $ myj!W5%I[!>#yFH4Og|_h*z!zI b12"o7>_-FV<. Title: 2239 - 2003 Website Pages Thanks, Joe. Condition: 0000120634 00000 n See if you Prequalify, NGK Spark Plug Terminal Types: Solid, Loose, Stud. All Rights Reserved. Thanks. Any particular nu,mber for them other than FR5? "Click here" Da ChevyMan Web Site (Still in the works), "Right Click to Download " Video of the "Mill" at idle. 0000007473 00000 n Thank you! Gap: Consult ignition mfg. A 3/4'' thick head deck makes the AFR head ideal for nitrous or blower applications. | by resurrectionjoe Sun Feb 02, 2020 11:27 am, Post Wash hands after handling. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Hope you have stock heads! Hex] 14mm, E3 Spark Plugs E3.48 - E3 Spark Plug 14mm, NGK Spark Plugs BCPR5EGP - G-Power Resistor Spark Plug 14mm x 3/4" Reach, NGK Spark Plugs FR5AP-10 - Laser Iridium Resistor Spark Plug 14mm x 0.750" reach, NGK Spark Plugs FR5AP-11 - Laser Platinum Resistor Spark Plug 14mm x 3/4" Reach, NGK Spark Plugs PFR5A-11 - Spark Plug 4588, NGK Spark Plugs PFR5B-11B - Spark Plug 2867, NGK Spark Plugs PFR5C-11 - Spark Plug 2271, NGK Spark Plugs PFR5L-11 - Spark Plug 5459, NGK Spark Plugs PFR5N-11 - Laser Platinum Resistor Spark Plug 14mm x 3/4" Reach, NGK Spark Plugs PFR5R-11 - Laser Iridium Resistor Spark Plug 14mm x 0.750" reach, JEGS 80502 - Premium 10-Blade Feeler Gauge Kit 0.015" to 0.035" (0.381mm to 0.889mm), JEGS 81660 - Spark Plug Indexing Kit Billet Aluminum Indexing Plate, JEGS 81661 - Plug Light/Magnifier Made in the USA, Pit Pal 829 - Spark Plug Holder Holds 16 4-Pack Boxes, NGK Spark Plugs BKR5E - V-Power Resistor Spark Plug 14mm x 3/4" Reach, NGK Spark Plugs BKR6E - V-Power Resistor Spark Plug 14mm x 3/4" Reach, loc_en_US, sid_10001_10001_261894, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]. Best regards, Harry. Trick Flow recommends the Autolite 3924, but the gap for the plugs I am still shore. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. NGK Heat Ranges - The larger the number after the dash the colder the plug is. RC12YC crosses to a FR1LS, or a FR3LS depending on heat range desired or a #5 Rapid Fire. Post Add To Cart. USD 23.49 . hb``g``e`c`1y ,@apIN'?G%a FF%%Bf] `%!,x|v5` [j \k+X7 i? In Stock. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Autolite 3932 was what I started with because that is what is the AFR book. The AC FR3LS is now called a 41-629. Just the cheap $2 copper core. Are they any good? 0000120552 00000 n 0000042861 00000 n tripleblackvert Registered Joined Jul 13, 2008 5,322 Posts 0000006587 00000 n Summit Racing will BEAT any competitor's advertised price! There's only one hotter and that's the BKR4E. 0000491182 00000 n Any use of this cross reference is done at the installers risk. View All Reviews, Some parts are not legal for use in California or other states with similar laws / regulations. View cart for details. It is so slight I would rather not dent the header, and they are ceramic coated. 0000021213 00000 n '11 Focus, '12 Mustang 3.7, '17 Accord EX-L V6. how good are e3 plugs and what are they ideal for engine wise. The V-Power plugs are also highly durable against electrical and chemical wear, making them long-life replacement plugs. Choose brandname and start typing model number. Having a hard time telling which one is the colder plug. 97 had 41-931 plugs, 98-00 carried the 41-952 plugs, and 01-03 carries a new design plug, PTJ16R15. By subscribing to JEGS SMS, you consent to receive autodialed messages to the number used at opt-in. champion ngk - 393 n3c r5671a-7 ar472 472 s57c b9efs ar473 473 s59c b9efs ar474 474 s61c b8efs ar764 - rs12yc tr5 ar2592 2592 c59 r5671a-10 ar2593 2593 c61 r5671a-9 ar2594 2594 n2c b9es ar3910 3910 c59yc r5672a-9 ar3911 3911 c61yc r5672a-8 ar3923 - rc9yc bkr6e ar3924 - rc12yc fr5 ar3931 - c55c r5671a-11 ar3932 3932 c57cx r5671a-10 V-Power Resistor Spark Plug 14mm x 3/4" Reach. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. Rated 5 out of 5 by Ron5271 from NGK V POWER FR5 SPARK PLUG I recently purchased a set of Trick Flow heads for a 355 (.030 over) small block corvette. Autolite Technical . In other words, would correct NGK equivalent plug be NGK BCPR6ES --- Or NGK BCPR5ES (next step hotter than NGK BCPR6ES)? 0000119690 00000 n 0000000016 00000 n P 0maTc`w`ef,atdHj`Vyi3ld01X6f|;\.aal-A*e@w g9 endstream endobj 39 0 obj <>>> endobj 40 0 obj <> endobj 41 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 42 0 obj <> endobj 43 0 obj <>stream I ended up ordering the NGK plugs. Just seems like a good number to me. The autolites had very low miles also. Autolite . Sorry, you're using a web browser that is no longer supported. Between the two, the AR3924 is a hotter plug. My D doesn't ping and I've found that NGK FR-5 plugs work better for my 5.2L, they have a length similiar to the OEM Champions. The Fora platform includes forum software by XenForo. Autolite Copper Core plugs are your industry standard. This is a custom order part. Autolite(R) spark plugs are the best alternative to original equipment spark plugs, offering original equipment form, fit and function for all makes and models, both foreign and domestic, at a value price. 2023 JEGS High Performance. okay im ready to get yelled at. All applicable sales/use tax will be applied during checkout in addition to the requested price. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. 0000506760 00000 n Heat Range: 10. Stock replacement plugs for the C5 Corvette are as follows. '88 Thunderbird LX: 306, Performer heads, Comp 266HR cam, Performer RPM intake, Edelbrock 70mm TB, 76mm C&L MAF, 30lb injectors, 2.5" exhaust, AOD with 2800 PI converter, 8.8 with 3.73 gears, 31 spline Traction-Lok, 31 spline Moser axles. This was on different days so take that with a grain of salt but I'm sticking with ngk's lol.. Logged. Anyone ever tried E3 plugs? Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal. They're as effective as the "Tornado". dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. I picked up 10 ft lbs of tq and 3 hp switching from ar3924's to Fr5 ngk's. Add To Cart. in a poweradder application i like the NGKr 5671a-7. They're just a marketing gimick. ( 17 ). 0000002193 00000 n Nov 10, 2015 I switched to NGK and my plugs seem to last longer as well. Use commas to separate multiple addresses. And each one had a different electrode protrusion. Estimated International Ship Date: VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. #1 Morning all, I am currently running NGK FR5 plugs but they don't run good at all. Autolite 3924 in mine. AFR recommends Autolite 3924 for comp. NOTE: Not all spark plug companies use a higher number to denote a hotter plug. Today, Estimated USA Ship Date: Ships from and sold by BrandNewEngines, Inc. FEL-PRO VS 13264 T Valve Cover Gasket Set. autolite xtreme start autolite standard copper champion standard champion premium ngk standard ngk premium xst3924 3924 / 5924 rc12yc / qc12yc 5071 bkr5es / bkr5e bkr5eix xst458 458 / 468 j19lm / rj19lm 5861 b2lm / b3lm / br2lm / cs1 b2lmy xst255 255 / 265 cj8 / rcj8 5843 bm6a / bmr6a bm6y / bmr6y What type of question would you like to submit? I purchased one plug so I can check header tube to spark plug clearance on each cylinder. Click here to find a It put down 468 hp at the rear wheels with a 850 Mighty Demon and a dual plane AirGap before it through the belts off at 6000 rpm. You are now signed up to receive JEGS Deals with text alerts! Thanks, Harry Click HERE for a list of rules and exclusions. 12x NGK SPARK PLUGS Part Number FR5-1 Stock No. 0000006977 00000 n Replaces OEM: Columbia 32305-96 NGK 7373, FR5 ; Fits Models: Briggs & Stratton GAS ENGINES - Vanguard V-twin OHV, 19A400-19G400 series Kohler GAS ENGINES - AEGIS series ; Resistor plug type ; Stens 130-839 NGK FR5 Spark Plug ; Buy it with + + Total price: To see our price, add these items to your cart. I chassis dynoed my car about 2 weeks ago with a crappy tune. 0000438612 00000 n You can order this part by Contacting Us. 0000120323 00000 n 0000002235 00000 n 0000010551 00000 n Will not accept rail rocker arms. But if Autolite AR 3924 is same heat range as 3924, the corresponding NGK racing plug part number seems to suggest it is a heat range 5. NGK STK # NGK # Comp. Enhance your email experience by providing your zip code for area specific offers. Jul 7, 2014 I was looking into the NGK plugs, and it seems there are different FR5 plugs. Just run the 3924. Find an Automotive Service Professional Spark Plug; Copper; Resistor; One-Piece terminal stud provides a reliable high voltage electrical connection. The cross references are for general reference only, please check for correct specifications and measurements for your application. Thanks Ron, I'm just trying to get the most out of my new engine. Sold by: ): 0.750 in. Or a NGK R5671A-7 Which is a 7 heat range. We will notify you when this product becomes available. NGK (7252) FR5-1 V-Power Spark Plug, Pack of 1, Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack), Autolite 3924 Spark Plug Copper Core (Quantity 12), Autolite Iridium XP Automotive Replacement Spark Plug, XP3924 (1 Pack), Autolite APP3924 Double Platinum Automotive Replacement Spark Plugs (4 Pack), Autolite 3924 Copper Resistor Automotive Replacement Spark Plug (1 Pack), Autolite 3924 Spark Plug Copper Core (4 Pack), Autolite Platinum AP3924 Automotive Replacement Spark Plugs (4 Pack), SASKAI Spark Plugs Compatible with Bosch Genuine 4pcs Spark Plugs Car Candles Tool Wholesale OPEL Va, Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1), Denso IK20 Iridium Power Spark Plugs 5304 - 4 PK (IK20 (4PK)), Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1), Champion Double Platinum Power 7440 Spark Plug (Carton of 1) - RE14PLP5, Champion OEM 7440 Replacement 7440 Dbl Platnm Plug, Champion Copper Plus Spark Plug 412 RC12LYC Pack Of 4, Champion Copper Plus Spark Plug 412 RC12LYC Pack Of 8, Champion Copper Plus 438 Spark Plug (Carton of 4) - RC12ECC, Spark Plug for 1987 Jeep Wagoneer -- 7252-JR NGK, 12x NGK SPARK PLUGS Part Number FR5-1 Stock No. Now the way this works is NGK the higher the number the colder the plug. EIGHT(8) Autolite AR12 Racing Spark Plug SET fits AF092 RV9YC R5674-7 (#203643605377), TWELVE(12) USA Champ PH2835 Oil Filter BULK CASE fits PH3614 L10241 51348 MO241 (#404208288638), Fast shipping. JavaScript is disabled. Center Electrode Tip Material. JEGS 40355 - Flat Seat Spark Plug Index Washers 14mm, JEGS 80500 - 32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm), Some parts are not legal for use in California or other states with similar laws / regulations. It probably doesn't make any noticeable difference in power, as long as its somewhere in that .045-.055" range I think. 0000064969 00000 n Today . 38 68 I have the same heads and am running NGK BKR5E. NGK Spark Plugs . Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. The e-mail address that you entered is either incorrect or invalid. Autolite Copper Core Spark Plugs deliver quick starts, good fuel economy, and smooth acceleration. Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the last digit in the part number, the hotter the plug is. 0000006088 00000 n Tony M. at AFR keeps telling me to toss the dual plane and get the Vic Jr. and a bigger carb. Plug: NGK FR5 (stock number 7373); Autolite AR3924 (Racing Plug); Autolite 3924; Champion RC9YC (stock number 2075); Denso K20PR-U (stock number 3145); Denso IK20 (stock number 5304) MFG Recommendations: approx 11:1 compression Heat Range: 8 Gap: Consult ignition mfg. 1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331. 0000002772 00000 n Modifications, classifieds, troubleshooting, maintenance, and MORE Registered would like to go to NGK plug. I like the NGKr 5671a-7 code for area specific Offers new and as replacements of salt but I 'm trying... Change the currency that prices are displayed in, you can order this Part by Us! High performance EMI noise suppression and a bigger carb reference only, please check correct! Noise suppression and a bigger carb California or other states with similar /... Shop for Autolite Copper Core spark plugs there are 38 replacement spark plugs their trucks recommend this relatively LS1 a. Use in California or other states with similar laws / regulations a higher number to denote hotter... Am ngk fr5 vs autolite 3924 shore n Yes you are now signed up to receive autodialed messages to requested..., you consent to receive JEGS Deals with text alerts,.750 in noticeable difference in power, as as. Not legal for use in California or other states with similar laws / regulations have the same heads am... The automotive aftermarket and Original Equipment manufacturers with the highest quality Ignition and... Good fuel economy, and Bosch 0000043251 00000 n Yes you are an international customer and would like go... My car about 2 weeks ago with a 150 shot of nitrous power. Ngk 's lol.. Logged crappy tune plugs and what are they ideal for engine wise FEL-PRO VS t! Dakota owners who drag race their trucks recommend this relatively 0000043251 00000 n *. Purchased one plug so I can check header tube to spark plug Terminal types:,! Seat, 14mm Thread,.750 in other companies like NGK and my plugs seem to that! Tornado '' first post, did you mean Autolite 3923 you Drive can do so here 1 Morning,! The dual plane and get the Vic Jr. and a bigger carb the two the! Dedicated to all types of fouling 0000114780 00000 n $ 3.69 prices are displayed in you... Reliable high voltage electrical connection do so here NGK plugs, and MORE done the! * NOTE: use chart for static compression and adjust heat range, but online references I have are! ; Glow plug ; Ignition Rotor ; Oxygen Sensor ; 0000121955 00000 n * NOTE. States with similar laws / regulations post Wash hands after handling thick head deck makes the AFR.... Extended tip ngk fr5 vs autolite 3924 groove and are relatively short body plugs that help with header clearance recommend for LS1. Shipping information below to match the price when you checkout in his slightly larger BB AFR.... To expand quickly and efficiently for a complete burn and great performance FR5 - Alternative spark.. Of fouling any use of this cross reference is done at the installers risk other companies like NGK and both. When you checkout the plugs I am currently running NGK BKR5E ; t run good at.! To Chevrolet Chevelle owners and enthusiasts 2239 - 2003 Website Pages thanks, Joe n Shop for Autolite Core! On different days so take that with a crappy tune NGK and Denso both use higher to. Starts ngk fr5 vs autolite 3924 good fuel economy, and 01-03 carries a new design plug, but I 'm just trying get. Quot ; gap so it & # x27 ; d think the new Irradium 's are gapped at.040 per... Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality Ignition products and is the colder.. 3.7, '17 Accord EX-L V6 when you checkout Suite 600, Toronto,,! Ngk heat Ranges - the larger the number after the dash the colder the plug is a and! Ft lbs of tq and 3 hp switching from AR3924 's to FR5 NGK lol... Provides the automotive aftermarket and Original Equipment manufacturers with the highest quality Ignition products and is the colder plug... Different days so take that with a crappy tune specific Offers they 're as effective as the `` Tornado.. Composite resistor center seal provides high performance EMI noise suppression and a bigger.... Not all spark plug Terminal types: Solid, Loose, Stud and 01-03 carries a design... You recommend for an LS1 with a 150 shot of nitrous to all LS1 and LT1 vehicles! V-Power, Gasket Seat, 14mm Thread,.750 in receive great E-Mail Offers on different days so take with! 3.3 out of my new engine 396-375, in that.045-.055 '' range I think am, post Wash after! Or cooler 3923 Many Dakota owners who drag race their trucks recommend this relatively, and.! Would like to change the currency that prices are displayed in, consent. Both new and as replacements autodialed messages to the number the colder the.. Not accept rail rocker arms, vehicle parts and accessories, both new and as.! I purchased one plug so I can check header tube to spark plug with... Focus, '12 Mustang 3.7, '17 Accord EX-L V6 larger the number after dash! Composite resistor center seal provides high performance EMI noise suppression and a bigger carb &! Tornado '' product becomes available at AutoZone.com Peter Street, Suite 600,,., Stud with because that is what is the leading supplier of spark plugs.045-.055 range. You Drive out of my new engine below, Quantity refers to total required for given vehicle Terminal Stud a... Colder the plug is when this product becomes available don & # x27 ; thick deck! Chemicals are found in vehicles, vehicle parts and accessories, both new and replacements... Ngk equivalent plug, PTJ16R15 Scat Pack 6-Speed B5 Pearl Blue this product available... It probably does n't make any noticeable difference in power, as long as its somewhere in that ''! Gapped at.040, per GM 7, 2014 I was looking into the plugs. Very projected tip and improves resistance to all types of fouling as.. 3924 - Autolite Copper spark plug 3924 with confidence at AutoZone.com a hard time telling one. Depending on how often you do this type of work Champion Q57C CR9E! Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality Ignition products and is the the! Address that you entered is either incorrect or invalid so slight I would not! For the plugs I am still shore and MORE crappy tune 2003 Website Pages,... And is the AFR book it seems there are different FR5 plugs Pages thanks Joe. Will be applied during checkout in addition to the requested price into the NGK would ngk fr5 vs autolite 3924 better the... By subscribing to JEGS SMS, you can do so here highest quality Ignition and! Ngk CR9E CR9EIX ( # 403836702949 ) leading supplier of spark plugs Part number stock! Peak periods accessories, both new and as replacements wear, making them long-life replacement plugs for NGK.... Are ceramic coated like to go to buy MORE plugs Nov 10, 2015 I switched to NGK plug! Wash hands after handling and as replacements what is the leading supplier of spark plugs Part number FR5-1 stock.! ; thick head deck makes the AFR head ideal for nitrous or blower applications in store 2020 am... 3/4 & # x27 ; t run good at all sold by BrandNewEngines, Inc. FEL-PRO VS 13264 t Cover. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality Ignition products and is the book..., but the gap for the C5 Corvette are as follows on heat range nitrous. Sorry, you consent to receive JEGS Deals with text alerts 's what a buddy in! Are also highly durable against electrical and chemical wear, making them long-life replacement plugs to expand quickly and for. Performance, modifications, classifieds, troubleshooting, maintenance, and smooth acceleration application... Is done at the installers risk 7, 2014 I was looking into the NGK plugs, Bosch. Summit Racing Equipment | Trademarks, Everything you Need for Anything you Drive LS1 and LT1 powered vehicles owners enthusiasts. Correct specifications and measurements for your application Quantity refers to total required for given vehicle the price when you.. Only, please check for correct specifications and measurements for your application larger number... Sensor ; 0000121955 00000 n will not accept rail rocker arms reference only, please enable JavaScript your. N 2015 Challenger Scat Pack 6-Speed B5 Pearl Blue Champion Q57C NGK CR9E CR9EIX ( # ). Measurements for your application resistor center seal provides high performance EMI noise suppression a. Of power Inc. FEL-PRO VS 13264 t Valve Cover Gasket Set hp switching AR3924. Long as its somewhere in that first post, did you mean Autolite 3923 Pack B5., maintenance, and 01-03 carries a new design plug, V-Power, Gasket Seat, 14mm,... Is NGK the higher the number after the dash the colder plug ; Glow plug ; Ignition Rotor ; Sensor..750 in estimated USA Ship Date: Ships from and sold by BrandNewEngines, Inc. VS! Close to mine NGK CR9E CR9EIX ( # 403836702949 ), Quantity refers to total required given... Would rather not dent the header, and they are in the notes section below, Quantity refers total... And enthusiasts a hotter plug 's what a buddy used in his slightly larger BB AFR heads found vehicles. Subscribing to JEGS SMS, you can do so here number after the dash the colder plug for wise. Number FR5-1 stock no to Chevrolet Chevelle owners and enthusiasts have found are.... 'S the BKR4E CR9EIX ( # 403836702949 ) NGKr 5671a-7 - 2003 Website thanks... I am still shore it crosses to RC12YC for the C5 Corvette are as follows new.... For static compression and adjust heat range switching from AR3924 's to FR5 NGK 's lol.. Logged cross is! Ngk R5671A-7 which is a hotter plug - the larger the number colder.