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 They are especially useful for

They are especially useful for measuring valve spring installed height

these High Energy polylocks fit 3/8" stud rockers

1985-1999 Chevrolet Astro

Commercial grade clamp fits most any size rim

Level 3 includes all the functions of Level 2

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 They are especially useful forProduct 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