KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc H776C01XL 3-1/4 in Bolt Span

3-1/4 in Bolt Span

IDEAL FOR USE ON RACECARS THAT REQUIRE CONSTANT ADJUSTMENT OF BRAKES

sender #2259 is also required

2 to 1 Ratio

KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc H776C01XL 3-1/4 in Bolt SpanProduct Description: Piston KB Series Hypereutectic 4. 290 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 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