KB Claimer Series Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc HYD01K 6 AN Male to 5/16

6 AN Male to 5/16 in Hose Barb Bulkhead

ΓÇó OEM quality natural finish die castings for clean looks and durability

Now get it all to the ground with TCI®

These headers come complete with header flange gaskets and mounting hardware

KB Claimer Series Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc HYD01K 6 AN Male to 5/16Product Description: Piston Claimer Series Hypereutectic 4. 030 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 5. 00 cc Small 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