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NGK Iridium TR6 IX Spark Plugs (.040 GAP) - (Set of 8) GM LSx V8 (One Step Colder for Forced Induction/Nitrous) - 3689-8 NGK 3689-8 $89.95 $64.95 Special Price: save $25.00 Quick view Compare Add to Cart
NGK V-Power TR-5 Spark Plugs (.040 GAP) - GM LSx V8 Applications (Set of 8) - NGK-2238-8 NGK NGK-2238-8 $32.00 Quick view Compare Add to Cart
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