KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc R03P003XXXL 10 Layers thick for long

10 Layers thick for long races

Pro Ratchet

Lightning Rods

Increases Horsepower and Torque

KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc R03P003XXXL 10 Layers thick for longProduct Description: Piston KB Series Hypereutectic 4. 030 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 2. 00 cc Ford Cleveland Modified 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