1986-1991 Bosch Platinum Plus Spark Plugs Each
These spark plugs were race tested and designed to provide your Corvette with superior performance and reliability.
* Platinum technology in center electrode provides quicker starts, smoother acceleration, and better fuel economy.
* Yttrium, v-profile ground electrode provides 25% longer life compared to OE plugs.
* Reliable cold starts with lower ignition voltage requirement.
Also known under these part numbers: