JE Pistons F.S.R. Tour Series GP Piston Forged 4.030" Bore 0.043 x 0.043 x 3.0 mm Ring Grooves - Minus 5.0 cc AP-100 1975-1989 Dodge W100

1975-1989 Dodge W100

Adjustable top air system sizes from L 60 - XXXL 64

Upper Intake Seal

Auto Gage provides levels of accuracy and durability unheard of in the price category

JE Pistons F.S.R. Tour Series GP Piston Forged 4.030" Bore 0.043 x 0.043 x 3.0 mm Ring Grooves - Minus 5.0 cc AP-100 1975-1989 Dodge W100JE 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