JE Pistons SB Chevy 400 Forged Dome Piston - 4.165 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 3.30 cc - Small Block Chevy Wheel & Tire Accessories Wheel Components & Accessories use #6321 or #6322

use #6321 or #6322

25 Male Thread

1/4 in Thick x 12 in Wide x 10 in Long

2007 GMC Sierra 1500 Classic 5

Designed with safety in mind for mini enduro and four cylinder classes

JE Pistons SB Chevy 400 Forged Dome Piston - 4.165 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 3.30 cc - Small Block Chevy Wheel & Tire Accessories Wheel Components & Accessories use #6321 or #6322JE 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