KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc RU003003 This intake is 50-state legal

This intake is 50-state legal for 2009-2017 models

Eliminator Street

1995-1996 Buick Riviera

80 percent Greater Wall Thickness

5 specification

KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc RU003003 This intake is 50-state legalProduct Description: Piston KB Series Hypereutectic 4. 320 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