KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc Transmission Blankets Pair of 1-3/4" brackets

Pair of 1-3/4" brackets

This Rack features 3-1/3 turns lock-to-lock performance for quick

the design has to be perfected to accomplish the weight reduction to allow higher RPMs

740 in OD Steps

KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc Transmission Blankets Pair of 1-3/4" bracketsProduct 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