JE Pistons F.S.R. Tour Series GP Piston Forged 4.045" Bore 0.043 x 0.043 x 3.0 mm Ring Grooves - Minus 5.0 cc BR10031 2-Bolt Mount

2-Bolt Mount

Holley Replaceable Air Bleed 126-25-10 Drill Size 0

90 Degree Fitting

Includes programmable multi-stage external shift light control

JE Pistons F.S.R. Tour Series GP Piston Forged 4.045" Bore 0.043 x 0.043 x 3.0 mm Ring Grooves - Minus 5.0 cc BR10031 2-Bolt MountJE 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