KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc H775CA3XXXL Two-piece battery box fits up

Two-piece battery box fits up to group 27 size batteries and includes nylon strap with plastic mounting brackets

Shaved Door Solenoid

907 in Long

Coolant Channeled

Powder Coated Flat Black

KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc H775CA3XXXL Two-piece battery box fits upProduct Description: Piston KB Series Hypereutectic 4. 280 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 12. 00 cc Big Block Chevy Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas