C3 Corvette 327-350, 454 (1968-1982) - GP-1 10W-30 Oil Change Kit | C3GP5K

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