ZZ4 350, looking for distributor, spark plugs/wires. So the first thing I want to do to try and fix the stumbling problem with my engine is replace the distributor, spark plugs, and wires. I was hoping maybe I could find a distributor that is a little bit smaller around than the one that is currently on. It pushes up against the firewall with ...There are better plugs out there, but they’re going to cost quite a bit more and these are a substantial upgrade over the originals in your vehicle. Hands down, these are among the best spark plugs for Chevy 350 engines. Autolite APP605 Double Platinum Spark Plug.I built another engine for my mustang. It is a 350 with trw domes, comp 292h hyd cam and a set of dart iron eagle 200cc heads. I was wondering what plug would be reccomended. I prefer to stay with an ac delco plug if possible. 2002 z28 408 on spray.Spark Plug; U-Groove; Header Plug; ACCELs patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or ...In 1969, any Chevy vehicle could be ordered with a 350 engine. Spark plugs for the 350 engine are on the sides of the engine, outside the cylinder heads. Depending on the year of the engine, the spark plugs may stick straight out or set at a 35-degree angle. Eight spark plugs are required to keep the engine running smoothly.Find GMC 5.7L/350 Chevy small block Gen I Champion Spark Plugs Spark Plugs Resistor and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... GMC 5.7L/350 Chevy small block Gen I Champion Spark Plugs Spark Plugs. Filter by Availability Filter …Smoother ride, reliable performance - ACDelco Spark Plugs boost your vehicle's performance . long-lasting performance, time and time again. Patented, one-piece insulator design - withstands temperature pressure and vibration. The copper core electrode - helps transfer heat, which is important for today's smaller hotter-running engines.The spark plug wiring in your Chevy 350 is responsible for delivering the electrical current needed to ignite the fuel and air mixture inside the engine's combustion chamber. Without it, the engine won't be able to achieve optimal performance. So if you want your engine to run like a finely tuned machine, it's essential that you pay close ...SarkOzy. 11789 posts · Joined 2005. #4 · Jul 12, 2010. You CAN run other high-priced plugs, but they won't make any difference other than costing you more. I run regular Delcos and change them once a year. A new distributor cap/rotor, plug wires and a decent set of plugs will do it a world of good if it hasn't been maintained.Find GMC 5.7L/350 Chevy small block Gen I Spark Plug Wire Sets and get Free Shipping on Orders Over $109 at Summit Racing! Save Up to 10% on Select Holley Family of Brands Products ... Spark Plug Wires, Extreme 9000 Ceramic, Spiral Core, 8mm, Black, White Ceramic 90 Degree Boots, Chevy, GMC, Small Block, Set.Find CHEVROLET 5.7L/350 Chevy small block Gen I E3 Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Spark Plug Wire Set, 90 Degree Boot, Small Block Chevy, Under Headers, Fully Heat Sleeved Racing Wire, Set. Part Number: ETP-E3-1503.Find GMC 5.7L/350 Chevy small block Gen I NGK Spark Plugs Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details!If it fits use it. 67 Malibu Coupe SR AFR 325 heads on a 496 with a 8-71, TH400, Fab 9, True Trac, Umi RCA's. 69 Camaro LS3/525, T-56 Magnum, DSE Hydroformed & Quadralink, Wilwood Aero6 under the knife soon. 56 Chevy Pro Street, Tube Chassis, 509, AFR 325 Heads, Comp 322-CR-10, 400 w/brake, crazy coffee …64602 High Energy 8mm Spark Plug Wires Set Replacement for Chevy/GM 1974-1988 305 350 400 SBC Engine 90° Boot Spark Plug Wire (9-Pack) 46. $2959 ($3.29/Item) Save 8% with coupon. FREE delivery Mon, Jan 22 on $35 of items shipped by Amazon. Or fastest delivery Thu, Jan 18.Its a 350,back side if block=3970010 behind alternators k11 18 CKB Driverside dip stick Vin code for car is strait six motor When Im saying no power,it bogs,slight back fire through the carb,vacume lines are dry-rotted,plugs are old,carb looks horrible.I Dont know what has been done as far as plugs/timing.A new carb is soon to be purchased.CHEVROLET: 1979: C20 PICKUP: 5.7L 350cid V8: Ignition: Spark Plug: ... Spark Plug Wire Retainer / Clip. Spark Tester. Step / Courtesy Light Bulb. Tune-Up Kit. Vapor Canister Filter. Wiper Blade. Intentionally blank: Intentionally blank: Related Parts. CHEVROLET > 1979 > C20 PICKUP > 5.7L 350cid V8 > Ignition > Spark Plug.Order Chevrolet Truck Spark Plug online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.239 posts · Joined 1998. #1 · Jan 11, 2006. I have a low horsepower GM 350 replacement crate motor in my 68. I prefer Autolite plugs. Confused on whether to run Autolite #26 or 605 plugs. Quite a difference in depth they go in and the total length. No headers, stock ignition.A-Team Performance - 8.0mm Silicone Spark Plug Wires Set High Performance - Compatible with SBC Small Block Chevy Chevrolet GMC Under The Exhaust Wires HEI 283 305 307 327 350 400 Black 4.3 out of 5 starsFind CHEVROLET 5.7L/350 Chevy small block Gen I Accel Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! ... Spark Plug, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each. Part Number: ACC-0576. Not Yet Reviewed. Estimated Ship Date: TodayI just finished swapping a 350 chevy into my Jeep CJ7, I hit the key yesterday and have no spark at all. I have a good 12v source on the battery connection on the cap (hot in start and run positions) even jumped it over to the battery and nothing. The puzzling thing - that could be the whole issue - is that I have another set of wires coming ...ACDelco Gold Platinum Spark Plugs 19300875. Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each. Find 1997 CHEVROLET C1500 5.7L/350 ACDelco Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing!1992 GMC 5.7L/350 Chevy small block Gen I Spark Plugs. Filter by Availability Filter Results 1992 GMC Individual Parts. Part Groups. Results 1 - 25 of 34 ... Get up to a $48 mail-in rebate on qualifying ACDelco Spark Plug purchases: $3 REBATE for each ACDelco GM OE Iridium Spark Plug. $2 REBATE for each ACDelco OE or Gold Double Platinum …Lead Fouling. Appearance & Symptoms: Lead fouling can only occur in applications that use leaded gasoline, such as racing engines. Lead fouling generally shows up as yellowish brown deposits on the spark plug's insulator nose. Lead fouling can cause your engine to misfire only at high-rpm and under hard acceleration.If you have a weak spark, you may be dealing with a: bad spark plug wire. bad distributor cap or rotor. faulty ignition wire or coil. ignition module or ignition driver in the powertrain control module (PCM) bad coil-on-plug coil. depending on your ignition system configuration. Consult your vehicle repair manual.LocationGlendale, CA. Posted March 22, 2012. Just swapped out my old 305 with a new 350. Problem is, the spark plugs are right up against my JTR headers and it's causing the plugs to heat up and arc. The car runs perfectly when cold, but once those plugs heat up, the engine takes a major hit in power. I have these insulator boots, but they don ...1-16 of over 3,000 results for "chevy 350 spark plugs" Results. Check each product page for other buying options. Overall Pick. Amazon's Choice: Overall Pick This product is highly rated, well-priced, and available to ship immediately. ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8.Don't pay someone to replace your Chevy 350 spark plugs as this is an early DIY project.In this video, I show you, a step-by-step removal of 1976 C3 Corvette...Find CHEVROLET 5.7L/350 Chevy small block Gen I Spark Plugs Iridium Electrode Tip Material and get Free Shipping on Orders Over $109 at Summit Racing! Save Up to 10% on Select Holley Family of Brands Products ... Get up to a $48 mail-in rebate on qualifying ACDelco Spark Plug purchases: $3 REBATE for each ACDelco GM OE Iridium Spark Plug. $2 ...Dispelling The Spark Plug Myths. ... there's the 350 hp Focus RS turbocharged four-cylinder Ford engine that pushes as much as 25 psi of boost, and it also employs an iridium plug. ... This is a used plug from a small-block Chevy that had started out with roughly .040-inch gap and the copper core has worn to .050-inch. A wider gap increases ...17968 posts · Joined 2007. #2 · Jun 12, 2014. AC R44LTS was original to the L31 Vortec before GM got off into lifetime plugs of noble metals. I'd start with the original GM listing or the equivalent NKG or Denso. Skip the exotics for a built motor their thin electrodes can lead to preignition.Denso Iridium TT Spark Plugs 4716. Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 11.6mm Reach, Resistor, Each. Jumpstart Your Next Project! Find 1989 GMC K1500 5.7L/350 Chevy small block Gen I Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing!If you have a weak spark, you may be dealing with a: bad spark plug wire. bad distributor cap or rotor. faulty ignition wire or coil. ignition module or ignition driver in the powertrain control module (PCM) bad coil-on-plug coil. depending on your ignition system configuration. Consult your vehicle repair manual.Find CHEVROLET 5.7L/350 MSD Ignition Spark Plug Wire Sets and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... Spark Plug Wire Sets, Race Tailored Super Conductor Sleeved, Assembled, Spiral Core, Black Wire, Gray Boots, Male/HEI, 8.50mm, Chevy, …ACDelco Gold Platinum Spark Plugs 19313641. Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each. Jumpstart Your Next Project! Find 1976 GMC G35 5.7L/350 Chevy small block Gen I Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing!Jul 16, 2012 · 350 sbc fouled spark plugs. Hi my 350 sbc seems to keep fouling the 2 front spark plugs on the driver's side of the engine. I replaced all plugs about 600 miles ago, and the other day on the highway it starts to pop and backfire out exhuast. Got home and removed al plugs to check, the 2 mentioned were covered in a black tar looking substance ...Well, we simply reduced the spark plug gaps back down to the original .045 sizing, and, MAGIC, LIGHT OF LIGHTS, NIRVANA, THE WARRANTEE COIL/HEI MODULE FILURES/PROBLEMS AND FAILURES STOPPED, and failure rates went back to the levels pre-giant gap. Opening up the spark plug gaps was done by a few brand name engineers, mostly at Olds, that dimply ...It can generate a torque of 5800 RPM. The firing order of a small block Chevy is 1-8-4-3-6-5-7-2. This is the order in which the spark plugs fire. The first plug fires at the number one cylinder, and the last plug fires at the number two cylinder. The spark plugs are numbered from the front of the engine to the back.4523 posts · Joined 2012. #3 · Sep 4, 2016. Depends on your build and application. Higher than stock compression (by more than a point) may require or perform best with a different plug. Red light tire burning, drag strip use is goign to require a different plug than a hot daily driver that is going to see 10000+ miles of highway driving per ...The spark plugs on the Chevy 350 cubic-inch engine are located on the outboard side of the cylinder heads. Depending on the year of the heads, they may be threaded straight into the side or set at about a 35-degree angle. In either case, changing them calls for exactly the same procedure. The Chevy 350 is one of the most popular engines ever ...Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. To use stock rockers on S/B Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended.Buy ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8: Spark Plugs - Amazon.com FREE DELIVERY possible on eligible purchases Skip to main content ... uxcell 8406 Car Ignition Distributor Cap and Rotor Kit External Coil for Chevrolet Suburban C1500 C2500 C3500 for GMC K1500 Jimmy 8 Cylinder Engine DC 12V.C3 Tech/Performance - Best spark plugs for a mild street 350 - Can anyone advise the best plugs for my small block, the engine has Jegs (Profiler) aluminium heads a compression ratio of around 9.25, mild comp cam with .477 / .480 lift, headers, Moroso recurved HEI distributor and Holley 670 Street avenger,at the...Low prices on Spark Plug for your GMC 350-8 at Advance Auto Parts. Find aftermarket and OEM parts online or at a local store near you. Open Mobile Menu. ... and is generally the correct plug for older small block Chevrolet engines. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent ...SPARK PLUGS For a 350. Jump to Latest Follow ... (AKA: high compression motor) to be used and not hit the spark plug. Unless you know that the motor has been changed and worked over I would go with the R43S plugs. ... 1956, and 1957 Chevy owners and enthusiasts. Come join the discussion about restoration, engine swaps, reviews, performance ...As technology continues to advance, spark drivers have become an essential component in various industries. These devices play a crucial role in generating the necessary electrical...Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more. ... Spark plugs for 350 crate motor 03-14-06 12:34 PM - Post# 893494 In response to sgian Picked up a set of plugs and they fitted OK. Ran the motor last night for a while to run in the cam.The Chevy 350 engine is a 5.7L V8 that has been around since the 1960s. Even today, it continues to be one of the most popular and versatile engines for a range of applications from street rods to off-road trucks. When working on your Chevy 350, having an accurate spark plug wiring diagram is essential for proper performance and ignition timing.Shop 350 Chevy Small Block V8, Spark Plugs & Components | Speedway Motors and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... MSD 35599 8.5mm Spark Plug Wires Set, S/B Chevy HEI, Under Headers (18) $123.95 /set. Add to Cart-6% #447708101.Step 3: Check the Ignition System. The ignition system is responsible for generating the spark that ignites the fuel in the engine. If there’s an issue with the ignition system, the engine won’t start. Examine the spark plugs, distributor cap, and rotor for signs of wear or damage. Replace them if necessary.Buy Universal Spark Plug Wire Set - 10.5mm High Performance Kit - Compatible with Chevy, GM SBC, BBC, Small Block 307, 327, 350, Big Block Engines 496, 502, 427, 454 and more with HEI Distributor: Wire Sets - Amazon.com FREE DELIVERY possible on eligible purchasesMaybe. A spark plug part number might fit hundreds of different engines from many different manufacturers. Although the NGK factory will set the gap to a preselected setting, this may not be the right gap for your particular engine. The incorrect plug gap for your engine can contribute to a high rate of misfires, loss of power, plug fouling ...PAS55. 65 posts · Joined 2002. #8 · Mar 17, 2008. short spark plugs. In my 350 I needed the short plugs to clear the headers, I used Champion RV92YC stock # 930 or NGK BR6FS stock #4323 these are the same length as the accel and are for a 350 marine application. Garry.Find CHEVROLET 5.7L/350 Chevy small block Gen I Spark Plug Wire Sets Red Wire Color and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Spark Plug WIres, Ultra, Chevy SB, Under Header, 90 Degree Plug Boots, HEI, Sleeved, Red, Set. Part Number: MOR-52528. 5.0 out of 5 stars.Which Spark Plug to use in a 350. I just put together a 350 with flat top pistons, 186 heads, Duntov 30-30 camshaft factory replacement for '69 Z/28 , '69 Z/28 Intake manifold, 750 vacuum secondary Holley, stock point distributor and ignition coil. The compression ratio should be around 9.5 to 1.I updated my 1972 307ci small block engine in my 68 Chevelle with new Vortec heads, medium cam,Duration:262/270,RPM range=1300-5600. I'm currently using, Autolite Platinum AP 104 plugs. Runs great but the #1 cylinder plug fouled out after about 1000 miles. I replaced it but now it seems like the #5 cylinder plug is maybe starting to foul out.SBC short spark plugs, or Small Block Chevy 350 plugs, are produced to suit the tighter spaces of the bay engine. It is used in high-performance or modified applications that have issues with plug clearance. Below are the 5 best shorty spark plugs SBC 350. Let's read on!Find CHEVROLET 5.7L/350 Chevy small block Gen I NGK V-Power Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! NGK V-Power spark plugs offer economical performance for nearly any automotive application—and they're the only plugs with NGK's V-Groove technology. These plugs enhance ignitability, lower the voltage requirements of ignition systems, and have strong anti ...Amazon.com: Chevy 350 Spark Plugs. 1-16 of over 3,000 results for "chevy 350 spark plugs" Results. Check each product page for other buying options. ACDelco GM Original Equipment R45TS Conventional Spark Plug. 685. 500+ bought in past month. $217. List: $3.78. FREE delivery Mon, Mar 4 on $35 of items shipped by Amazon.Find CHEVROLET 5.7L/350 Chevy small block Gen I MSD Iridium Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! MSD iridium spark plugs will fire up your engine for optimum performance. They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. MSD's proprietary design features center tips made from iridium--a ...Need help from the engine masters out there. After around 1000 miles my crate 350 SBC developed a miss that is mostly noticeable at low RPMs. I pulled the plugs and plus 3,4,5,and 6 look like various stages of fouled but 1,2,7 and 8 look fine. Cylinder 3 and 4 look really bad (carbon on the end and black and oiley on the threads) and 5/6 are ...ACDelco GM Original Equipment Iridium Spark Plug. Part #: AC 41993. Line: ACDelco. or 4 interest-free payments of $2.62 with. Qty: Add to Cart.04-27-20 03:44 PM - Post# 2792256 hello guys i have a 1982 chevy c10 with a 350 engine. brodix ik180 heads. with acdelco spark plugs and cylinders 23468 have oil coming out around the spark plugs. the heads have 800 miles on them. i took a compression test and i got 185 on all cylinders give or take 1 psi. the truck runs good plenty of power. no misses or smoking from the tailpipes. no weird ...To add coolant to a Chevy Malibu, dilute the coolant with equal parts coolant and water, then pour the coolant-water mixture into the vehicle's ... Malibu Workshop manual, you can perform every job that could be done by Chevrolet garages and mechanics from: changing spark plugs, Home. Cars. Chevrolet. Malibu. You can find 29 different owner's ...There is a newer model of this item: ACDelco GM Original Equipment 41-993 Iridium Spark Plug. $8.25. (93) Only 1 left in stock (more on the way). This item: ACDelco GM Original Equipment 41-993 Iridium Spark Plug. $825. +.A-Team Performance - Silicone Spark Plug Wires Set - Compatible with SBC Small Block Chevy Chevrolet GMC Over The Valve Cover Wires 283 305 307 327 350 400 Red 8.0mm 4.4 out of 5 stars 258Wanna Better gas milage? ⚡ I spend 1.5 weeks to test and pick 5 Best spark plugs for Chevy Silverado! Great replacement for 4.3, 4.8, 5.3, 5.7, 6.0 Vortec EngineApply a small amount of plug wire grease to the plug wire boot (or COP boot) and re-install each plug wire or ignition coil. Be sure and connect the plug wires to the appropriate spark plug for each engine cylinder (refer to a firing order diagram if necessary). Re-install the coil hold down bolt (s).1970 CHEVROLET CHEVELLE Spark Plugs. Filter by Availability Filter Results 1970 CHEVROLET CHEVELLE Individual Parts. Part Groups. Results 1 - 25 of 78 ... Get up to a $48 mail-in rebate on qualifying ACDelco Spark Plug purchases: $3 REBATE for each ACDelco GM OE Iridium Spark Plug. $2 REBATE for each ACDelco OE or Gold Double Platinum Spark ...Find 1970 CHEVROLET C10 PICKUP 5.7L/350 Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... Get up to a $48 mail-in rebate on qualifying ACDelco Spark Plug purchases: $3 REBATE for each ACDelco GM OE Iridium Spark Plug. $2 REBATE for each ...Universal Spark Plug Wire Set - 10.5mm High Performance Kit - Compatible with Chevy, GM SBC, BBC, Small Block 307, 327, 350, Big Block Engines 496, 502, 427, 454 and more with HEI Distributor 4.1 out of 5 stars 362We need more information about your vehicle to confirm fit. Year Make Model Trim Engine. Finish adding vehicle. Aluminum Spark Plug Wire Looms Holders For Chevy SBC BBC 302 350 383 454 V8. Brand New. $49.39. Save up to 10% when you buy more. Was: $51.99 5% off. mark2brother (8,710) 99.6%.Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more. ... Spark plugs for 350 crate motor 03-14-06 12:34 PM - Post# 893494 In response to sgian Picked up a set of plugs and they fitted OK. Ran the motor last night for a while to run in the cam.The cons. A few users have complained that the wires are too long or too short. 3. Moroso Spark Plug Wires for Chevy 350. The Moroso ignition wire set has been fully tried and tested for dielectric strength, electric conductivity, and secure termination. It has multiple features that make it a good choice.What year and vehicle do you use to order plug wires for a 350 engine. I can't go to a parts store and ask for plug wires on a 1955 Chevy with a 350 as the motor did not exist in 1955. ... 1956 Chevy 150 2 Door Sedan, Red/Saddle Cloth, 355CI, 4 Spd, Vintage Air, Neat "Old School" Hot Rod 1963 Corvette Roadster, Riverside Red/Black Vinyl, 327 ...As technology continues to advance, spark drivers have become an essential component in various industries. These devices play a crucial role in generating the necessary electrical...ACDelco Conventional Resistor Spark Plugs 19417094. Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each. Find 1980 CHEVROLET C10 5.7L/350 ACDelco Spark Plugs and get Free Shipping on Orders Over $109 at Summit Racing!This item: E3.42 E3 Premium Automotive Spark Plugs (8-PACK) $4495. +. JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic. $3166. +. SHINEHOME Spark Plug Wire Heat Shield Sleeve 2500° Spark Plug Boot Protector Wire Boots Wrap for SBC BBC 350 454 8PCS Spark Plug Wire …Universal Spark Plug Wire Set - 10.5mm High Performance Kit - Compatible with Chevy, GM SBC, BBC, Small Block 307, 327, 350, Big Block Engines 496, 502, 427, 454 and more with HEI Distributor 4.1 out of 5 stars 362SHINEHOME Spark Plug Wire Heat Shield Sleeve 2500° Spark Plug Boot Protector Wire Boots Wrap for SBC BBC 350 454 8PCS Spark Plug Wire Covers. $13.99 $ 13. 99. Get it as soon as Tuesday, May 28. In Stock. ... Worked well on Chevy 350 in a '74 Camaro with Headman Headers. Normal sized plugs would be too close to header and melt the plug cap ...Component Information. Cylinder Heads: The 350/290 HP engine has cast iron cylinder heads. The heads have 1.94" intake valves and 1.50" exhaust valves with pressed-in 3/8" studs and 76 cc combustion chambers. The water passages are the same as the original 1955 small block Chevy design.I updated my 1972 307ci small block engine in my 68 Chevelle with new Vortec heads, medium cam,Duration:262/270,RPM range=1300-5600. I'm currently using, Autolite Platinum AP 104 plugs. Runs great but the #1 cylinder plug fouled out after about 1000 miles. I replaced it but now it seems like the #5 cylinder plug is maybe starting to …Our Top Pick on Amazon https://tinyurlz.co/rY0Ul (Amazon Link)Do you need spark plugs for a 350 Chevy with headers? Check out the most affordable, high-per...