GP-1 Break-In 20W-50
- 20W-50 Engine Break-In Oil with the Pennsylvania Grade Base Oil
- High Zinc Content (1800ppm) - *No additional Zinc additives needed
- No Moly
- Excellent for Flat Tappet Cam & Lifter Break-In
- Helps Chemically Assist New Rings to Seal
- Ideal for Engines with ≥.003" Main & Rod Bearing Clearances
GP1
19556