KB Claimer Performance Series SB Chevy Flat Top Piston Set - 4.155" Bore - 3.750" Stroke - 5.565" Rod Length 2050081 Dexterity and Vibration Absorbtion

Dexterity and Vibration Absorbtion

Incorporating the latest features and technical materials

These quieter sounding systems are designed to replace original rear mounted mufflers located behind the rear axle using factory style connections

(1) 3/8" NPT Outlet

Rack travels 5

KB Claimer Performance Series SB Chevy Flat Top Piston Set - 4.155" Bore - 3.750" Stroke - 5.565" Rod Length 2050081 Dexterity and Vibration AbsorbtionAchieve maximum performance with high piston ring placement and low thermal conductivity. Top rings operate at higher temps and require slightly larger end gaps (4. 000" bore x . 0065" gap factor = . 026" total end gap). It is recommended that ignition timing be retarded 2 4 degrees. Sold in sets of eight with wrist pins. Coated skirts. Designated as O. E. relacement for engines manufactured in years Truck 69 78, Passenger Car 69 70, Corvette 90 91.