JE Pistons Premium Race Series Piston Rings - 4.155" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Low Tension 34012R as they tend to accentuate

as they tend to accentuate track features

They are especially useful for measuring valve spring installed height

Level 3 includes all the functions of Level 2

Commercial grade clamp fits most any size rim

1979-1981 GMC P3500

JE Pistons Premium Race Series Piston Rings - 4.155" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Low Tension 34012R as they tend to accentuateProduct Description: Piston Rings Pro Steel Series 4. 155 in Bore File Fit 1. 2 x 1. 5 x 3. 0 mm Thick Low Tension Steel Plasma Moly 8 Cylinder JE Pistons is the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE Pistons has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts alike trust