KB SB Chevy Flat Top Piston Set 4.030 Bore -5cc RS004C1510 If you prefer these headers

If you prefer these headers with a protective coating

It features an improved right side outlet passage

sprint car or any application where you require additional ports for fuel returns

3-1/4 in Long

KB SB Chevy Flat Top Piston Set 4.030 Bore -5cc RS004C1510 If you prefer these headersProduct Description: Piston Hypereutectic 4. 040 in Bore 1 16 x 1 16 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 locations, gas