KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc R03P003XXXL ranging from grassroots racers to

ranging from grassroots racers to professional racecar teams

#28457 along with a larger 4500 style plenum

10 Layers thick for long races

Lightning Rods

KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.0 cc R03P003XXXL ranging from grassroots racers toProduct 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