
The Story
Add a layer of modern protection to your C3 with GP-1 Synthetic Blend. Its advanced formula enhances oxidation stability, resists breakdown under stress, and preserves vintage Corvette performance.
Highlights:
- For 327, 350, and 454 engines
- Provides stronger protection than conventional alone
- Guards against sludge and deposits
- Excellent for daily-driven or frequently cruised C3s
Description
Add a layer of modern protection to your C3 with GP-1 Synthetic Blend. Its advanced formula enhances oxidation stability, resists breakdown under stress, and preserves vintage Corvette performance.
Highlights:
- For 327, 350, and 454 engines
- Provides stronger protection than conventional alone
- Guards against sludge and deposits
- Excellent for daily-driven or frequently cruised C3s














