JE Pistons Premium Race Series Piston Rings - 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Low Tension Currie Enterprises Will also fit 1949-53 with

Will also fit 1949-53 with modifications

272 cc Intake

1979-1991 GMC G2500

and heavy and light rate return springs

JE Pistons Premium Race Series Piston Rings - 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Low Tension Currie Enterprises Will also fit 1949-53 withProduct Description: Piston Rings Premium Race Series 4. 375 in Bore File Fit 1 16 x 1 16 x 3 16 in Thick Low Tension Ductile Iron 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