JE Pistons Big Block Inverted Dome Piston Forged 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 20.0 cc YA0640 LS to GM F-Body 1970-74

LS to GM F-Body 1970-74

and pull-down tighten adjustment

Triple-C-Technology coating )

low run-out and center disc made with HSLA material

JE Pistons Big Block Inverted Dome Piston Forged 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 20.0 cc YA0640 LS to GM F-Body 1970-74JE 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 and rely JE Pistons. The top engine builders in NASCAR, NHRA, IRL, IHRA, IDRA, PROSTAR and others choose JE Pistons over any other brand. JE