JE Pistons Premium Race Series File Fit Piston Rings - 4.600 in Bore - 0.043 x 1/16 x 3/16 in Thick - Standard Tension - Nitride - 8-Cylinder Suspension Bushing Slightly choppy idle

Slightly choppy idle

Independent line lock output

Black anodized 7075 aircraft-grade billet aluminum locating lugs

1966-1966 GMC PB25 Series

Alloy steel taps work well for chasing and cleaning threads before installing fittings and plugs

JE Pistons Premium Race Series File Fit Piston Rings - 4.600 in Bore - 0.043 x 1/16 x 3/16 in Thick - Standard Tension - Nitride - 8-Cylinder Suspension Bushing Slightly choppy idleProduct Description: Piston Rings Premium Race Series 4. 600 in Bore File Fit 0. 043 x 1 16 x 3 16 in Thick Standard Tension Steel Nitride 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