KB Hypereutectic Piston 4.155" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 11003B Leveler Roll-Off for 2

Leveler Roll-Off for 2

Throttle Return Spring

Slotted / Drilled / Vented

18" standard rotation designDerale has been the leader in performance cooling for decades

Works On Old-Style Transfer Tubes 2 Pkg

KB Hypereutectic Piston 4.155" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 11003B Leveler Roll-Off for 2Product Description: Piston KB Series Hypereutectic 4. 155 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 7. 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 locations, gas