KB Piston Hypereutectic 4.156" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 15.0 cc TK11313XS 4-3/8 x 2-5/8 in

4-3/8 x 2-5/8 in

Passenger Side Outlet

Torsen Differential

ERO Off-Road Race Spring Equipped and Compatible

KB Piston Hypereutectic 4.156" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 15.0 cc TK11313XS 4-3/8 x 2-5/8 inProduct Description: Piston KB Series Hypereutectic 4. 156 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 15. 00 cc Oldsmobile V8 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