1976-1986 Bosch Platinum Spark Plug for Cast Iron Heads
Bosch Platinum Spark Plug for 1976-1986 with Cast Iron Heads.
NOTE: 1986 L98's were to be introduced with Aluminum Heads. Due to early problems of cracking, iron cylinder heads were used on early 1986 Corvettes and those cars had 230 horsepower versus the aluminum head versions with 235 horsepower.
Also known under these part numbers: