Fits most GM LSX (LS1, LS2, LS6, etc) applications. Champion are good for lawn mowers, AC Delco good for OE or mild performance engines and NGK V-power is usually my choice for anything from 300 hp and up. These plugs enhance ignitability, lower the voltage requirements of ignition systems, and have strong anti-fouling … Autolite's numbering system does not have a standardized heat range identifier. I recommend running the TR55's at .050" gap. NGK Tr5 Champion RS12YC Autolite 103 racing AR764 Ac Delco R44 LTS All 14mm .708 reach . Nos NGK Spark Plug (TR5/2238) 2 Pcs PART NUMBER: TR5/2238 Please make sure this is the right part for you, Vehicle Fitment Application is for guide only, it … A Lighthouse Marine Company...Serving Boaters for 40+ Years. On an all out race engine NGK race plugs (#'s like R5671a-7 etc) are my first choice. Save on NGK V-Power Spark Plug (TR5) 2238 at Advance Auto Parts. It's running TR5 spark plugs. V-Power: V-Power Spark Plugs are named for their specially designed v-groove center electrode to improve ignitability. See cross reference chart for NGK TR5 and more than 80.000 other spark plugs. NGK 2238 TR5 V-Power Spark Plug. $2.99 (8-Pack) NGK Spark Plugs TR5 (Stock # 2238) 4.7 out of 5 stars 3. SKU: NGK-2238 Category: NGK. Due to differences in design and material, plugs in cross reference While plugs are pre-gapped from the factory, the gap may need to be adjusted for the vehicle that the spark plug is intended for. ACDelco Specialty Marine Spark Plugs are everyday replacement plugs designed for reliability and efficient performance in jet boats, inboards, outboards, and personal watercraft. Add to cart. TR5 quantity. Some merchandise may be limited in supply or available only by special order. Buy NGK 2238 TR5 V-Power Plug - NGK 2238 online from NAPA Auto Parts Stores. The NGK spark plugs do come pre-gapped, but I always recommend checking them. Spark Plug Gapping Tool (Blister Pack) Range .020 to .100 inch (.5 to 2.5mm).. For the best experience on our site, be sure to turn on Javascript in your browser. From professional racers with extremely modified engines to the weekend warrior, all levels of performance enthusiasts’ count on the advanced technology built into NGK Spark Plugs. Buy online, pick up in-store in 30 minutes. $15.99. Where is Autolite? For the best experience on our site, be sure to turn on Javascript in your browser. Gap: .04″ (1mm) In stock. Starting in 2005, they switched to .040 GAP (this size) plugs to provide a better idle when things like cheap gas are encountered. 48 replacement spark plugs for NGK TR5-1. The last digit in an Autolite part number represents the heat range within a … First, I want to under stand why the spark plugs are … Free shipping . Please check specific vehicle application and owner’s manual. Any LS2, LS3, L99, or LS7 will come from the factory with a .040 GAP $9.75. Stay in-the-know on all our sales, new products and upcoming events! Prior to 2005 GM used .055 GAP spark plugs on all LSx motors. Lowers ignition system voltage requirements, Greater ignitability and performance over conventional spark plugs, “Trivalent Metal Plating” has superior anti-corrosion and anti-seizing properties, Increased fuel economy and lower emissions, Highly durable against electrical and chemical wear, NGK V-Power TR-5 Spark Plugs (.040 GAP) - GM LSx V8 Applications (Set of 8) - NGK-2238-8, NGK V-Power TR-55 Spark Plugs (.055 GAP) - GM LSx V8 Applications (Set of 8) - NGK-3951-8, NGK G-Power TR-55GP Spark Plugs (.055 GAP) - GM LSx V8 Applications (Set of 8) - NGK-3403-8, NGK Iridium IX TR-55IX Spark Plugs (.055 GAP) - GM LSx V8 Applications (Set of 8) - NGK-7164-8, NGK Iridium IX TR-5IX Spark Plugs (.040 GAP) - GM LSx V8 Applications (Set of 8) - NGK-7397-8, NGK G-Power TR-5GP Spark Plugs (.040 GAP) - GM LSx V8 Applications (Set of 8) - NGK-3186-8, NGK Iridium TR6 IX Spark Plugs (.040 GAP) - (Set of 8) GM LSx V8 (One Step Colder for Forced Induction/Nitrous) - 3689-8, NGK V-Power TR-6 Spark Plugs (Set of 8) - GM LSx V8 (One Step Colder for Forced Induction/Nitrous) - NGK-4177-8, AC Delco Iridium OEM Corvette ZR1 Spark Plugs (.040 Gap) - 2005 and newer Performance LSx Applications (Set of 8) - 12571165, Brian Tooley Racing EPS Normally Aspirated LS1/LS2 Camshaft - 32634132, MSD Super Conductor Spark Plug Wires (Red) - (Set of 8) - Most GM LSx Car Applications - 32819, MSD Super Conductor Spark Plug Wire Set (Red) - 1996-2000 Camaro & Firebird (3.8L V6) - 32799, MSD Super Conductor Spark Plug Wire Set (Black) - GM LT1/LT4 Applications - 33823. More Information for NGK 2238: Add to Cart Continue Shopping. TR55 Part Number: 3951 Vehicle: 2004 PONTIAC GTO Engine: V8 5.7 Liter FI V-Power Plug; TR55; @ Gap .060 @ Pricing Our Price: $1.68 www.advancedautoparts.com just goto the store ... NGK: Pre-Gap Size: .040 IN: Manufacturer Part Number: 2238: Reach: .708 IN: Stock Number: 2238: … ngk stk # ngk # comp. Looks like he nailed it with the NGK tr5 heat range, that explains the AC Delco guys running the hotter 45TS plugs, where I was running a 42T short … Place your order online today and pick it up in store at your convenience. part# ngk stk # ngk # comp. I looked at many manuals and see the illustrated parts list for the models listed in this manual show the correct RS14YC. NGK Part # NGK Stock # 41-932 PZTR5A-15 7862 41-983 PTR4B-15 5146 41-985 IZTR5B11 1465 MR42LTS BPR6EFS 3623 MR43LTS TR5 2238 MR43T BR6FS 4323 MR44T YR5 7052 Note: This cross chart is for reference only. ACDelco MR43LTS Marine Spark Plug. Funds; Qty Add to Cart. NGK Spark Plug: Plug No. See cross reference chart for NGK TR5-1 and more than 80.000 other spark plugs. NGK 2238. Pre-Set Gap (inch) 0.040" Thread Pitch (mm) 1.25: Write a review Please login or register to review TR5 (2238) Brand: NGK; Product Code: NGK-TR5 (2238) Availability: In Stock; $2.71 Can. Parts are just part of what we do. 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. TR5 #2238 NGK V power Spark plug. Fits Crusader, Indmar, Kodiak Marine, Marine Power, Mercury, OMC and Volvo Penta inboard engines. JavaScript seems to be disabled in your browser. Today, we installed short poly locks on my truck's ZZ4 engine. part# ngk stk # ngk # 44 3510 b6s 41-963 7740 ptr5c-13 45ffs 6222 bpr5hs ... 41-905 7401 ur4ix 438ts 5657 r5674-8 c42lts 2238 tr5 41-906 7397 tr5ix 438xls 3923 bpr8es * c42n 5122 br7es 41-907 7397 tr5ix 438xls 7173 r5672a-8 c43 3510 b6s I'm installing the same 2238 plugs. Shop for NGK V-Power Nickel Plug Number 2238 Spark Plug Part #: 2238 for your vehicle. Any LS2, LS3, L99, or LS7 will come from the factory with a .040 GAP. Prior to 2005 GM used .055 GAP spark plugs on all LSx motors. On my new 350 build I have Summit Vortec heads and am using NGK #2238 (TR5) plugs. Pictures are for illustrations purposes only, Prices are subject to change without notice. Not responsible for typographical errors. Get yours online today and pick up in store. Economical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved. 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