JE Pistons BB Chevy Domed Piston Set 4.500 Bore 23.5cc 7100BK 0 mS Max Continuous Dwell:

0 mS Max Continuous Dwell: 9 mS but don't exceed 40% duty cycle Max Intermittent Dwell: 80% duty cycle

NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR ALCOHOL

Built in Mud Cover

Centerforce Clutch Disc 384201 Size 9 1/8 in

When you install a set of BBK Performance long tube exhaust headers on your muscle car or truck the O2 sensors are relocated on the header that is no longer in the factory location and the factory O2 sensor connectors will not reach to connect any longer

JE Pistons BB Chevy Domed Piston Set 4.500 Bore 23.5cc 7100BK 0 mS Max Continuous Dwell: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 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