KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.0 cc 11000403 Pullbar Shaft - 3/4" Diameter

Pullbar Shaft - 3/4" Diameter

18-gauge aluminized-steel case with 409 stainless steel internals

5 at low everyday prices

and zinc plated for maximum stopping power

KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.0 cc 11000403 Pullbar Shaft - 3/4" DiameterProduct Description: Piston KB Series Hypereutectic 4. 280 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 6. 00 cc Mopar B Series 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