KB Claimer Series Hypereutectic Piston 4.030" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 5.0 cc M30LRS 25" throttle bores

25" throttle bores

Alternator / Power Steering

Nomex / Kevlar

Blue Chevy Bowtie Logo

1/8 in NPT Female to 14 mm x 1

KB Claimer Series Hypereutectic Piston 4.030" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 5.0 cc M30LRS 25" throttle boresProduct Description: Piston Claimer Series Hypereutectic 4. 030 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 5. 00 cc Small 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