KB Claimer Performance Series - SB Chevy 350 - 6.0" Rod Length, 4.060" Bore Size, Flat Top w/ 2 Reliefs H762C05S Stamped and hardened for superior

Stamped and hardened for superior wear resistanceThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Ideal for use on street or strip applications

5256 works with older Pyrometers with thread on probe connections

All Hypercoils are powder-coated a navy blue

KB Claimer Performance Series - SB Chevy 350 - 6.0" Rod Length, 4.060" Bore Size, Flat Top w/ 2 Reliefs H762C05S Stamped and hardened for superiorSilvolite 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