KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc - Big Block Chevy - Set of 8 29107BK 1/8" NPT Female Port -

1/8" NPT Female Port - For Easy Connection of Steam Tube Plumbing

Cool your jets

1967-1970 Pontiac Executive

2002-2002 GMC Envoy

KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc - Big Block Chevy - Set of 8 29107BK 1/8" NPT Female Port -Product Description: Piston KB Series Hypereutectic 4. 280 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 26. 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