1988-1991 Bosch Platinum +4 Spark Plugs Car Set - OEM Number(s) (FRLS5)
1988-1991 Corvette Bosch Platinum Plus 4 Spark Plugs feature revolutionary ignition technology. Car Set of 8.
The best of the Bosch Platinum Series, with the most platinum, delivers maximum
engine power for a longer performance life.
- Revolutionary surface air gap firing technology featuring multiple spark
paths to deliver the longest, most powerful spark for ultimate engine
performance
- More platinum vs. Bosch Platinum Plus for smoother acceleration, better gas
mileage and optimum engine performance
- Four yttrium-enhanced ground electrodes provide optimum access to the
air/fuel mixture for the most efficient combustion, plus the yttrium alloy
ground electrodes reduce gap wear and oxidation for extended performance life
- Factory pre-set gap for ease of installation. Never requires adjustment
Bosch presents the latest additions to its long line of Corvette tune-up components. Optimum engine performance, smoother acceleration and top fuel efficiency distinguish the revolutionary firing technology of Bosch Platinum +4 Spark Plugs, featuring a factory-set electrode gap that never requires adjustment. The 100% pure silicone Opti-Layer Mag Wire Set delivers a longer, more powerful spark and optimum ignition performance with an effortless, OE fit.
Also known under these part numbers: (For reference only)
- 02422255900P6
- 028851019521
- FRLS5