Description
Bosch 4207 PLATINUM SPARK PLUG
Features & Benefits:
- 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
