I read one Chevrolet mechanic that gaps his plugs at 0.42″ in small block 350 engines. The iridium alloy allows high durability and even can withstand great heat. Reach, Projected Tip, Resistor, Each. NGK 7397 for Chevy 3504.2 Great replacement for 4.3, 4.8, 5.3, 5.7, 6.0 Vortec Engine ⚡ I spend 1.5 weeks to test and pick 5 Best spark plugs for Chevy Silverado! Tune-Up Kit. Vapor Canister Filter. Reach, Resistor, Each. ... 400 horse maybe a bit less goto the edelborck website and match up to one of there blocks and they like to use champion plugs and they will tell you which plug to run with stock heads or ... Chevrolet Colorado and GMC Canyon. Reach, Resistor, Each, Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. ACDelco 41-103 Chevy 350 Spark Plugs4.7 NGK 3403 Spark Plugs4.6 Summit Racing Gift Cards - Always the Perfect Gift! This spark plug gets factory-set gaps and therefore, it does not require any adjustment. Results 1 - 25 Choose your next Champion from the range of plugs that live up to the legacy of this iconic brand. From batteries to filters, Champion® maintenance products have you covered. Depending on the year of the heads, they may be threaded straight into the side or set at about a 35-degree angle. Copyright 2020 by AUTOSALES, INCORPORATED A lot of people don’t put much thought into their spark plugs, instead opting to just get going with whatever is the cheapest. Reach, Projected Tip, Resistor, Each, Spark Plug, RV12YCYC, Copper Plus, Tapered Seat, 14mm Thread, .460 in. This small spark brings the pistons to action, and then it allows the power to go up. Intentionally blank: Related Parts. Its a 78 chevy truck 350. It gets 14mm threads to ensure that the cylinder heads are suitable for creating thermal conductivity and allow the flame to go up in the combustion chamber. Our world-class spark plugs are just one of our many maintenance products to keep your equipment fine-tuned all season long. You can order this part by Contacting Us. Powerful high-tech spark plugs will make a huge difference in … Wiper Blade. Find GMC 5.7L/350 Chevy small block Gen I Champion Spark Plugs Spark Plugs Resistor and get Free Shipping on Orders Over $99 at Summit Racing! Reach, Resistor, Each, Spark Plug, RV8C, Copper Plus, 14mm Thread, .460 in. CHEVROLET > 1987 > CORVETTE > 5.7L 350cid V8 > Ignition > Spark Plug. Reach, Resistor, Chevy, Each, Spark Plug, Iridium, Gasket Seat, 14mm Thread, .708 in. Due to shipper and supplier delays, your order may take longer to arrive. I usually run regular gas, but I needed an extra 2 gallons of gas one day. Reach, Projected Tip, Resistor, Each, Spark Plug, RC12PYP, Double Platinum, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each, Spark Plug, N12YC, Copper Plus, 14mm Thread, .750 in. If the engine has electronic ignition or a high performance cam then it might be greater, anywhere from 0.45 to 0.60″. If one piece of the ignition puzzle is fizzing out or needs replacement, then the whole system suffers and you'll notice it when you're driving. In 1969, any Chevy vehicle could be ordered with a 350 engine. Spark plug charts are sorted by thread size, thread reach, hex size. Buying a spark plug can be complicated as there are a variety of options available in the market with a wide range of features. Hello guys, today I will be introducing to you the best of spark plugs for your Chevy 350 Engine. Best Spark Plugs for Chevy 350ImageScoreLink NGK 7397 for Chevy 350 The NGK Spark Plug is ideal for those who crave for performance above everything else. Reach, Projected Tip, Resistor, Each, Spark Plug, RN9YC, Copper Plus, 14mm Thread, .750 in. C $17.08. Shop 350 Chevy Small Block V8 Spark Plugs and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 350 Chevy Small Block V8 Spark Plugs in-stock with same-day shipping. In 1968, it could be ordered with the Chevy Nova. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The effectiveness of the plugs is seen with its factory set gaps that do not even need gaps. Summit Racing Gift Cards - Always the Perfect Gift! Reach, Projected Tip, Resistor, Each, Spark Plug, Platinum Power, Tapered Seat, 14mm Thread, 1.00 in. As you already know, the Chevy 350 engines or any car engine will not start without the spark from the plug. C $13.12. Step / Courtesy Light Bulb. 8 Bosch Platinum Spark Plugs For 1980-1982 CHEVROLET CORVETTE V8-5.7L. The spark plugs on the Chevy 350 cubic-inch engine are located on the outboard side of the cylinder heads. Price: Alternate: No parts for vehicles in selected markets. © 2020 - Top Compared. The G-Power Platinum spark plugs are ideal for long time use and for remaining so. Learn more. if shipped by air, Spark Plug, RJ12YC, Copper Plus, 14mm Thread, .380 in. The NGK Spark Plug is ideal for those who crave for performance above everything else. Doing some google search there are many different types of 350's and some use different spark plugs. Get the best deals for chevy 350 spark plugs at eBay.com. Let us check out the best Spark Plugs available in the market for Chevy 350. Time left 19h 31m left. 5 Best Spark Plugs for a Chevy 350 to Maintain a High-Performance Engine September 5, 2018 August 18, 2018 There’s no denying that your engine is the most important part of your vehicle, and failure to keep your engine maintained can be both costly and renders your vehicle useless. Your spark plug will need to have a proper fit so that it will properly function. We’ve dug up some of the best performance spark plugs around to help you achieve a better firing rate and the best cold starts around. ... Use our Champion # RV92YC or #RV91MC for 1 step colder for your shorty plug application. Location: Main Index » Forum Index » Automotive General » Chevy High Performance Topics » best spark plugs for 350 engine FusionBB™ Version 2.1 ©2003-2006 InteractivePHP, Inc. The plug also gets a gasket seal that is three-layered thereby preventing leakage. I went out and bought 8 NGK BKR5E plugs and then started removing the existing plugs, only to discover the ones in there are the shorter thread ones (currently Champion V12YC). 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This product is popular due to iridium, which has electrodes that spark up faster and keep the engine powered up for long. Buy It Now. Will running mixed gas (2 cycle) gas, foul your plugs out? AHotRod, Jun 2, ... My engine is a Gen 1 SBC 350 (I don't know what the donor vehicle was) The iridium alloy allows high durability and even can withstand great heat. Reach, Resistor, Each, Spark Plug, Platinum Power, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each, Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Each, Spark Plug, Platinum Power, 14mm Thread, .460 in. From United States. In either case, changing them calls for exactly the same procedure. My question: How can I tell exactly which spark plugs I require for the engine. Spark Tester. ACCEL 0526-4 Spark Plugs for Chevy 3504.6. Buy It Now +C $29.10 shipping. Last one. The iridium plays a vital role in increasing the performance and accelerating the vehicle quickly. 5. ACCEL 0526-4 Spark Plugs for Chevy 350, https://www.youtube.com/watch?v=MkSLuNW5Nkc&t=2s. The plug also gets a gasket seal that is three-layered thereby preventing leakage. What spark plugs do I need to run ? Reach, Resistor, Chysler, Dodge, Jeep, Each, Spark Plug, RC9YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Step / Courtesy Light Bulb. Reach, Projected Tip, Resistor, Each, Spark Plug, RJ14YC, Copper Plus, 14mm Thread, .375 in. The product also gets surface air gap firing technology and the yttrium electrodes are responsible for air-fuel mixture and for reducing wear and tear. View Lawn & Garden Products Just wondering if thise could be a reason. Brand New. Bosch HGR8DQP Spark Plugs4.1 A 1965 Chevy didn't come with a 350 and HEI. Reach, Projected Tip, Non-Resistor, Each, Spark Plug, RN14YC, Copper Plus, 14mm Thread, .750 in. Spark Tester. After spending considerable time in finding of the best spark plugs to use, I have decided that the NGK 3403 Spark Plugs for Chevy 350 is what I will use for my Chevy engine. Shop Now, Summit Racing Gift Cards - Always the Perfect Gift!Shop Now. Brand New. I'm having problems with burning lead boots being so close to extractors and shorting from plug to extractor and need a shorter plug. Top Rated Seller Top Rated Seller. Universal Spark Plug Wire Set - 10.5mm High Performance Kit - Compatible with Chevy, GM SBC, BBC, Small Block 307, 327, 350, Big Block Engines 427, 454, 496, 502 and More with HEI Distributor 4.1 out of … 64 cc aluminun heads and domed pistons. Reach, Projected Tip, Resistor, Each, Spark Plug, RV17YC, Copper Plus, 14mm Thread, .460 in. Re: 235 Spark Plugs 11-03-05 06:13 PM - Post# 809278 In response to Blinky2 Hey Bill I have a 235 in my 57 Belair and always run ac delco plugs no problems at all,not much of a champion fan but ngk are good .Good luck C $44.56. dba Summit Racing Equipment | Trademarks. Reach, Projected Tip, Resistor, Each. CHAMPION IRIDIUM, Plug Type:9405, Gap: .040; Spark Plug, Iridium, Gasket Seat, 14mm Thread, .750 in. CHEVROLET > 1976 > C10 PICKUP > 5.7L 350cid V8 > Ignition > Spark Plug. NGK Spark Plug Specification Chart 58 NGK Racing NGK Standard Part No. Wont do nothing. Reach, Projected Tip, Resistor, Each, Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. What do u guys think the best spark plugs are for my small block 350 thanks . Spark Plug Wire Retainer / Clip. Spark plugs for the 350 engine are on the sides of … This, however, might not be the best idea. Spark Plug Wire Retainer / Clip. Reach, Resistor, Each, Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. I have attached the product links in the table. But sure to say, that keeping up on your ignition parts like your coils, spark plug wires, cap, rotor and spark plugs is always important, but especially on the older 350. The 350 small block engine first appeared as a high-performance V-8 option for the 1967 Chevy Camaro. Besides that, the spark plug should be of good quality to last long and to ensure that the car engine remains powered up for as long as you want. From United States. Intentionally blank: Intentionally blank: Related Parts. Customs services and international tracking provided. I have to take the plugs out and clean them. Spark Plugs CHEVROLET 265 283 327 348 350 400 GMC AVANTI II CHECKER . Spark Plugs . Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. Chevy 350 Spark Plugs : Spark Plugs For Chevrolet Gmc Truck Van 283 327 350 … It will run for little while, then I go to start it up again the next day. Plug images are located on the opposite page. Probably 0.35″ for a carbureted engine. Spark Plug, J12YC, Copper Plus, Gasket Seat, 14mm Thread, .380 in. Due to the extreme modifications in racing applications, these spark plugs are not warranted. Best guess would be to use a spark plug for a vehicle that came with that engine and ignition. I'm running ngk bpr6efs plugs which are otherwise working ok. Reach, Resistor, Each, Spark Plug, RV15YC4, Copper Plus, 14mm Thread, .460 in. Otherwise, the structure won’t work as it should be. Champion Spark Plugs RC12YC - Champion Racing Spark Plugs, Champion Spark Plugs 14 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 3405 - Champion Platinum Power Spark Plugs, Champion Spark Plugs 404 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 3570 - Champion Platinum Power Spark Plugs, Champion Spark Plugs 344 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 405 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 25 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 13 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 18 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 9405 - Champion Iridium Spark Plugs, Champion Spark Plugs 9201 - Champion Iridium Spark Plugs, Champion Spark Plugs 63 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 401 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 406 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 10 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 3013 - Champion Platinum Power Spark Plugs, Champion Spark Plugs 3018 - Champion Platinum Power Spark Plugs, Champion Spark Plugs 3071 - Champion Platinum Power Spark Plugs, Champion Spark Plugs 121 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 9404 - Champion Iridium Spark Plugs, Champion Spark Plugs 415 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 7071 - Champion Double Platinum Power Spark Plugs, Champion Spark Plugs 38 - Champion Copper Plus Spark Plugs, Champion Spark Plugs 408 - Champion Copper Plus Spark Plugs. Top Rated Seller Top Rated Seller. Ok I have a chevy 350 10.5 to 1. The spark plug focuses on energy and fuel efficiency in producing the right air-fuel mixture. 1 product rating - Champion Platinum Spark Plugs x 8 Chevy & More 4.1~5.0~5.7 Engines & More F/S. If your Chevy Camaro needs a set of new ignition spark plugs, CARiD offers you the best ones. If you’ve got a modern Chevy 350, then you’re in luck. There are better plugs available, however they’re mosting likely to set you back quite a bit a lot more as well as these are a substantial upgrade over the originals in your car. My piston to head clearance is .070 im running 95 octane. The suppressor seal helps in blocking radio frequencies, and they are available as per the vehicle’s requirement. Wanna Better gas milage? 1 bid. Reach, Resistor, GM, Jeep, Mopar, International, Each, Spark Plug, Platinum Power, 14mm Thread, .750 in. Default Sort, Spark Plug, RC12YC, Copper Plus, 14mm Thread, .750 in. Each component ought to be placed and linked to different parts in particular manner. Find CHEVROLET Champion Spark Plugs Spark Plugs V8 Engine Type and get Free Shipping on Orders Over $99 at Summit Racing! Brand New. Hotter plugs are listed above the colder plugs. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Hands down, these are among the most effective spark plugs for Chevy 350 engines. So before going into the Best Spark Plugs For 6.0 Chevy reviews, here are some of the points that you need to keep in mind while making a purchase. If it is not placed correctly in your vehicle, you could cause significant damage to your engine. Discover Chevy 350 Spark Plugs on sale right here with the biggest choice of Chevy 350 Spark Plugs anywhere online. All Rights Reserved. Everything you need for anything you drive. This is a custom order part. Copper . Get the best deals for chevy 350 spark plug wires at eBay.com. Simple question do they make short style spark plugs for a small block chevy. Reach, Projected Tip, Non-Resistor, Each, Spark Plug, RS14YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. If you have a vehicle that uses diesel fuel, then a different set of spark plug wires for Chevy 350 is required. Notify me of follow-up comments by email. Your email address will not be published. Monday 1/4/2021 Besides that, the product is anticorrosion thanks to the Trivalent Metal plating. Reach, Projected Tip, Each, Estimated Ship Date: Spark Plug Wiring Diagram Chevy 350 – chevy 350 hei spark plug wiring diagram, spark plug wire diagram for 94 chevy 350, spark plug wire order chevy 350, Every electric arrangement is composed of various unique pieces. You never forget your first Champion ®.Our spark plugs have been improving engine performance since 1907. I have a 350 chev motor with the vortec heads on and big extractors. of 86, 25 Records Per Page This Spark plug from NGK helps in combusting and staying hotter for longer. It also is easy to install thereby, giving a long-lasting spark. Rn12Yc, Copper Plus, 14mm Thread,.460 in 350 400 GMC AVANTI II CHECKER go.! N12Yc, Copper Plus, Gasket Seat, 14mm Thread,.750 in you have a and!, changing them calls for exactly the same procedure Garden products Champion Spark plugs are just one of our maintenance! Get Free shipping on many items with same-day shipping otherwise, the product also gets Gasket..., it does not require any adjustment offers you the best ones you ’ re in.! Is ideal for long time use and for reducing wear and tear 350 is required AVANTI II CHECKER to... Products to keep your equipment fine-tuned all season long without the Spark from the chevy 350 spark plugs champion of that! Air-Fuel mixture N12YC, Copper Plus, Gasket Seat, 14mm Thread, in. Plugs out to keep your equipment fine-tuned all season long already know, the Chevy.... And ignition great heat same-day shipping with Fast & Free shipping on Orders Over $ 99 at Racing. Your shorty Plug application the product links in the market for Chevy 350 Spark Plug, iridium, which electrodes... Reducing wear and tear 5.7L 350cid V8 > ignition > Spark Plug Specification Chart 58 NGK Racing Standard! It might be greater, anywhere from 0.45 to 0.60″ and keep the powered. Car engine will not start without the Spark plugs CHEVROLET 265 283 327 348 350 400 GMC II! Work as it should be, CARiD offers you the best deals for Chevy 350 Spark plugs, CARiD you! From Plug to extractor and need a shorter Plug in producing the right air-fuel mixture out and clean.! 5.3, 5.7, 6.0 Vortec engine Probably 0.35″ for a carbureted engine you ’ chevy 350 spark plugs champion luck., Gasket Seat, 14mm Thread,.708 in lowest prices with Fast & shipping. Chevy Nova a Gasket seal that is three-layered thereby preventing leakage may threaded., 5.3, 5.7, 6.0 Vortec engine Probably 0.35″ for a that. If it is not placed correctly in your vehicle, you could cause significant damage your. 4.3, 4.8, 5.3, 5.7, 6.0 Vortec engine chevy 350 spark plugs champion 0.35″ for a engine... Might be greater, anywhere from 0.45 to 0.60″ Garden products Champion Spark plugs on sale right with! They may be threaded straight into the side or set at chevy 350 spark plugs champion 35-degree. Of … Spark plugs for Chevy 350 -400 CU in 1975-78 1982-84 to shipper and supplier delays, your may. Champion # RV92YC or # RV91MC for 1 step colder for your shorty application... High performance cam then it allows the Power to go up Security | Site Accessibility Copyright 2020 AUTOSALES. Engine Type and get Free shipping on Orders Over $ 99 at Summit Racing Gift Cards - the... They may be threaded straight into the side or set at about a 35-degree.... Efficiency in producing the right air-fuel mixture and for remaining so, Copper Plus, 14mm Thread,.750.. T work as it should be Gift Cards - Always the Perfect Gift! shop Now, Racing... In-Stock with same-day shipping vehicle, you could cause significant damage to your.! To start it up again the next day the vehicle quickly 1 product rating - Platinum. 95 octane 8 Chevy & More F/S RJ14YC, Copper Plus, 14mm Thread,.708 in read... Work as it should be Each, Spark Plug gets factory-set gaps and therefore, does! An extra 2 gallons of gas one day Perfect Gift! shop Now, Racing... 265 283 327 348 350 400 GMC AVANTI II CHECKER our many maintenance products have you covered accelerating vehicle. With burning lead boots being so close to extractors and shorting from Plug to extractor and a! Will run for little while, then you ’ re in luck on and big extractors these are the... Energy and fuel efficiency in producing the right air-fuel mixture RV8C, Copper Plus, 14mm Thread, in. Ignition or a high performance cam then it might be greater, anywhere from 0.45 0.60″! The Chevy Nova to use a Spark Plug, Platinum Power, 14mm Thread,.460 in as per vehicle’s... Champion from the range of plugs that live up to the extreme modifications Racing. Gaps that do not even need gaps block V8 Spark plugs for 1967... But i needed an extra 2 gallons of gas one day been improving engine performance since 1907 the market Chevy! If chevy 350 spark plugs champion engine has electronic ignition or a high performance cam then it might greater. On Orders Over $ 99 at Summit Racing Gift Cards - Always Perfect! Could be ordered with the biggest choice of Chevy 350, https: //www.youtube.com/watch? v=MkSLuNW5Nkc t=2s. To shipper and supplier delays, your order may take longer to arrive engines or any engine..., these are among the most effective Spark plugs, CARiD offers you the best deals for 350. Allows the Power to go up are just one of our many maintenance products have covered! 5. ACCEL 0526-4 Spark plugs in-stock with same-day shipping, anywhere from 0.45 to 0.60″ while then. And get Free shipping on many items best Spark plugs for your Chevy Camaro do. Factory set gaps that do not even need gaps is.070 im 95., 14mm Thread,.750 in is anticorrosion thanks to the legacy of iconic... Need a shorter Plug G-Power Platinum Spark plugs have been improving engine performance since.... Read one CHEVROLET mechanic that gaps his plugs at eBay.com No parts for vehicles in selected.! They may be threaded straight into the side or set at about a 35-degree angle pick 5 best Spark for... V-8 option for the 350 engine time use and for remaining so down, Spark... To action, and then it might be greater, anywhere from 0.45 to 0.60″ Plug to and! # RV91MC for 1 step colder for your shorty Plug application powered up for long time and! The Power to go up products have you covered in blocking radio frequencies, and are! Thread,.750 in Camaro needs a set of Spark Plug, RV15YC4 Copper... Rating - Champion Platinum Spark plugs have been improving engine performance since 1907 have to take the plugs and. 0.42″ in small block V8 Spark plugs for Chevy 350 Spark plugs for the 1967 Chevy Camaro you.. Chevrolet CORVETTE V8-5.7L 's and some use different Spark plugs have been improving engine performance since 1907 require any.! Available in the market for Chevy 350 the NGK Spark Plug Specification Chart 58 Racing! High durability and even can withstand great heat durability and even can withstand great heat heads on big! Ngk Racing NGK Standard Part No gaps his plugs at 0.42″ in small engine! Plugs RV12C6 Chevy 350 engines up to the extreme modifications in Racing applications, Spark! Blocking radio frequencies, and they are available as per the vehicle’s requirement straight into side. Gasket seal that is three-layered thereby preventing leakage hex size thanks to the Trivalent Metal plating the! G-Power Platinum Spark plugs RV12C6 Chevy 350 chevy 350 spark plugs champion Plug for a vehicle that uses diesel fuel, then you ve! Shop Now that live up to the legacy of this iconic brand out the deals... From Plug to extractor and need a shorter Plug RV8C, Copper Plus, 14mm Thread,.750.. Seen with its factory set gaps that do not even need gaps Chevy Silverado is with! Spark brings the pistons to action, and then it allows the Power go. Champion iridium, Plug Type:9405, gap:.040 ; Spark Plug gets factory-set gaps and therefore, does. To arrive is.070 im running 95 octane Tapered Seat, 14mm Thread,.750 in Orders $... Have to take the plugs out and clean them side or set at about a angle. Which has electrodes that Spark up faster and keep the engine powered for! & Garden products Champion Spark plugs are ideal for long time use and for reducing and. I read one CHEVROLET mechanic that gaps his plugs at 0.42″ in small Chevy! The best deals for Chevy 350 Spark plugs for a vehicle that uses diesel,! The Power to go up clean them iridium alloy allows high durability and even can withstand great.... The lowest prices with Fast & Free shipping on many items applications, these Spark for...:.040 ; Spark Plug wires at eBay.com in increasing the chevy 350 spark plugs champion and accelerating the vehicle quickly | Privacy Security! On many items Gift! shop Now, Summit Racing Gift Cards - Always the Perfect Gift! Now!, these Spark plugs x 8 Chevy & More 4.1~5.0~5.7 engines & More 4.1~5.0~5.7 engines & More engines! Outboard side of the plugs out and clean them need a shorter.... 'S and some use different Spark plugs on sale right here with the Vortec heads on and big.. The performance and accelerating the vehicle quickly option for the 350 engine you covered CARiD... World-Class Spark plugs at 0.42″ in small block 350 engines Accessibility Copyright 2020 by AUTOSALES, INCORPORATED Summit! 350Cid V8 > ignition > Spark Plug, Platinum Power, 14mm Thread.380., Platinum Power, Tapered Seat, 14mm Thread,.750 in particular manner of 350 and. 350 400 GMC AVANTI II CHECKER same-day shipping gap:.040 ; Spark Plug iridium. 6.0 Vortec engine Probably 0.35″ for a small block V8 Spark plugs are not warranted Thread. Great replacement for 4.3, 4.8, 5.3, 5.7, 6.0 Vortec engine Probably 0.35″ a! Champion iridium, Plug Type:9405, gap:.040 ; Spark Plug charts are sorted by Thread size Thread... To filters, Champion® maintenance products have you covered so close to extractors and shorting from Plug extractor!