KB Piston Hypereutectic 4.250" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc 016437NRSI Specify by adding suffix "S"

Specify by adding suffix "S"

Right and Left lateral supports for ribs

Holds mechanical 2-5/8" liquid filled gauges (LFG)

2006-2014 Ford F-150 FX4

1972-1975 GMC Sprint

KB Piston Hypereutectic 4.250" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc 016437NRSI Specify by adding suffix "S"Product Description: Piston KB Series Hypereutectic 4. 250 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 26. 00 cc Big Block Chevy 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