KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc YA0817G Billet Blank Cap also available

Billet Blank Cap also available for Coil On Plug Applications P/N 566-103

1968-1972 Chevrolet Biscayne CID 427

1 in H x 3

oil resistant

The 4770 features a 1

KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc YA0817G Billet Blank Cap also availableProduct Description: Piston KB Series Hypereutectic 4. 185 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 17. 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