PennGrade 1 Partial Synthetic SAE 10W-40 High Performance Oil - Case of 12 - 1 Quart Bottles H76015FL 16-5/16 x 15-3/4 in

16-5/16 x 15-3/4 in

multiply your bore size by the ring end gap factor listed on the chart (i

1977-1990 Chevrolet G20

1966-1968 Chevrolet Chevy II

Exact stall speeds will vary depending upon displacement

PennGrade 1 Partial Synthetic SAE 10W-40 High Performance Oil - Case of 12 - 1 Quart Bottles H76015FL 16-5/16 x 15-3/4 inDesigned to meet the lubrication demands of traditional classic and muscle car engines as well as high performance competition engines, Brad Penn(R) Penn Grade 1(R) Partial Synthetic SAE 10W 40 High Performance Oil offers the multi viscosity advantages of faster oil flow and engine warm up as well as excellent film strength and engine component anti wear protection. PENN GRADE 1(R) High Performance Oils are specially formulated using high quality PENN