Automotive Parts and Accessories: Autolite HT15 High Thread Spark Plug, Pack of 1 - Autolite
Automotive Parts and Accessories: Champion (654) G59C Racing Series Spark Plug, Pack of 1 - Champion Spark Plug
Automotive Parts and Accessories: Autolite XS4163DP Xtreme Sport Small Engine Spark Plug, 1 per Card - Autolite
Automotive Parts and Accessories: Autolite HT1 High Thread Spark Plug, Pack of 1 - Autolite
Automotive Parts and Accessories: Autolite XS4164DP Xtreme Sport Small Engine Spark Plug, 1 per Card - Autolite
Automotive Parts and Accessories: Motorcraft SP-515 Spark Plug, Pack of 1 - Motorcraft
Automotive Parts and Accessories: Autolite XS4303DP Xtreme Sport Small Engine Spark Plug, 1 per Card - Autolite
Automotive Parts and Accessories: Autolite 4163 Motorcycle Spark Plug, Pack of 1 - Autolite
Automotive Parts and Accessories: Autolite 4164 Motorcycle Spark Plug, Pack of 1 - Autolite
Automotive Parts and Accessories: Autolite 5224 Copper Core Spark Plug, Pack of 1 - Autolite
Automotive Parts and Accessories: E3 Spark Plugs E3.70 OEM Replacement Spark Plug for Automotive, Truck, Van and SUV, Pack of 1 - E3 Spark Plugs
Automotive Parts and Accessories: Champion 7989 (7989) Double Platinum Spark Plug, Pack of 1 - Champion
Automotive Parts and Accessories: Taylor Cable 46052 LT1 180-Degree Black Spark Plug Boot with Terminals - Pack of 10 - Taylor
Automotive Parts and Accessories: Champion 809C Spark Plug, Pack of 1 - Champion Spark Plug
Automotive Parts and Accessories: Champion RA6HC (809) Copper Plus Small Engine Spark Plug, Pack of 1 - Champion
Automotive Parts and Accessories: Champion RA8HC (810) Copper Plus Small Engine Spark Plug, Pack of 1 - Champion
Automotive Parts and Accessories: Champion RL82YC (814) Copper Plus Small Engine Spark Plug, Pack of 1 - Champion
Automotive Parts and Accessories: Champion 88091 Power Sport Spark Plug, Pack of 1 - Champion
Automotive Parts and Accessories: NGK (3901) CPR7EA-9 Standard Spark Plug, Pack of 1 - NGK
Automotive Parts and Accessories: Champion 89021 Power Sport Spark Plug, Pack of 1 - Champion
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Lt1 Spark Plug Popular Q&A
Q: LT1 spark plug gap ?
A: ive seen from .055 to .035 i dont think it makes much of a difference to be honest unless you have a power adder in which case smaller is better to keep from bl... Read More »
Q: LT1 Spark Plug Wire Routing?
A: I'd go with .035" to .040" on the plugs. I've had great results with MSD wires on a Gen I motor as well as my brother with his gen I motor cars and his 93LT1. B... Read More »
Q: How to Change LT1 Spark Plug Wires - Corvette Forum
A: In this reply, I am adding photos I took right after I finished. The wireset in these photos is a Taylor Spiro Pro set. I had to refund them I replaced them wit... Read More »
Q: LT1 Spark Plugs - NGK TR55ix - GAP?
A: Hi All, OK, all plugs are in and I did a 45 minute test drive last night. There is a definite improvement, power seems smoother, and mild reving of the engine s... Read More »
Q: How to Change Spark Plug Wires on an LT1 Corvette.
A: 1. Remove a spark plug wire from the top of the engine. The spark plug wire will look like a thick blue or black wire (depending on the brand of spark plug that... Read More »