1990-1992 ZR1 Bosch Platinum Spark Plugs Car Set
1990-1992 ZR1 Corvette Bosch Platinum Plus Spark Plugs are able to withstand the rigors of hours and hours at maximum output
Platinum core technology provides quicker starts, smoother acceleration, and
improved fuel efficiency.
- Platinum center electrode, heat-fused into an extended insulator Reaches
self-cleaning temperature only seconds after starting
- Tapered, yttrium-enhanced v-profile ground electrode Extends service life by
25% vs. original Bosch Platinum, reduces electrode temperature, and improves
access to air/fuel mixture
- Nickel-plated rolled threads For complete anti-seize and corrosion
protection
- Lower ignition voltage requirements vs. other plug designs for reliable cold
weather starts and superior operation under all driving conditions
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| Alternate/OEM Part Number(s): 4201, FR7DPX |
Also known under these part numbers: (For reference only)