KB Hypereutectic Piston 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc H760C42 Zinc Color

Zinc Color

5/8 in Hose Barb to 1/2 in NPT Male

60 x 70 in Sheet

plexiglass chamber sealing plate and complete instructions

Forged 4340 Steel

KB Hypereutectic Piston 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc H760C42 Zinc ColorProduct Description: Piston KB Series Hypereutectic 4. 155 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