KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc L205171 180 Degree F On

180 Degree F On

1985-1993 Ford Bronco

or equivalent) Requires use of Holley 302-15 Dipstick and Tube Kit or dipstick (GM P/N 12669528) and tube (GM P/N 12625031) *Engine location may need to be adjusted (up / down or fore / aft) for cross member or steering linkage clearance depending on the vehicle

Holley Replaceable Air Bleed 126-29-10 Drill Size 0

KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc L205171 180 Degree F OnProduct Description: Piston KB Series Hypereutectic 4. 320 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 12. 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