KB Claimer Performance Series SB Chevy Flat Top Piston Set - 4.155" Bore - 3.750" Stroke - 5.565" Rod Length 26-NSO-W-SM Each EZ-Run has a built-in

Each EZ-Run has a built-in ignition module for simple plug and play installation

Patch pockets finish the look of the suit with plenty of room for everything you need to carry at the track and across the finish line

1971-1981 Chevrolet Bel Air

1976-1990 Jeep Wagoneer

KB Claimer Performance Series SB Chevy Flat Top Piston Set - 4.155" Bore - 3.750" Stroke - 5.565" Rod Length 26-NSO-W-SM Each EZ-Run has a built-inAchieve 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.