KB Claimer Performance Series - SB Chevy 350 - 6.0" Rod Length, 4.030" Bore Size, Flat Top w/ 2 Reliefs Head & Neck Restraints CNC port matched 220cc intake

CNC port matched 220cc intake and 115cc exhaust ports for optimum flow and power

Utilize high-temperature steel wool packing for sound control

Vent Valve

6 an Outlet / Return / Vent

Includes 10 shims in every available size

KB Claimer Performance Series - SB Chevy 350 - 6.0" Rod Length, 4.030" Bore Size, Flat Top w/ 2 Reliefs Head & Neck Restraints CNC port matched 220cc intakeSilvolite Pistons improve power, fuel economy, cylinder sealing, service life and cost effectiveness by significantly reducing expansion rate, allowing the piston to be run with reduced clearance. Silv O Lite Pistons are budget priced, high performance pistons with T5 heat treating and non machined valve relief area. Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while