Hastings 4.250" Bore Piston Rings File Fit 1/16 x 1/16 x 3/16" Thick Low Tension - Moly DX2160K If you need to mount

If you need to mount an O2 sensor and don't know how to weld or can't find someone who can

No dip switches and can be reprogramed at any time to accommodate changes in gear ratio or wheel and tire combination

1987-1987 Oldsmobile Firenza

1967-1974 Chevrolet G20 Van

Hastings 4.250" Bore Piston Rings File Fit 1/16 x 1/16 x 3/16" Thick Low Tension - Moly DX2160K If you need to mountProduct Description: Piston Rings Premium Ductile Moly 4. 250 in Bore Drop In 1 16 x 1 16 x 3 16 in Thick Standard Tension Ductile Iron Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.