KB Hypereutectic SB Chevy Domed Piston Set - 4.030" Bore - 3.250" Stroke - 5.700" Rod Length H777C05XS This SBC competition open chassis

This SBC competition open chassis wet sump is for

visibility

family owned

380" long Hi-Tech 3/8" diameter pushrod is 37% stiffer than

KB Hypereutectic SB Chevy Domed Piston Set - 4.030" Bore - 3.250" Stroke - 5.700" Rod Length H777C05XS This SBC competition open chassisModern piston design locates the top ring higher for improved performance. a high top ring operates at higher temperatures and requires a larger top ring end gap. To find the proper ring end gap, multiply your bore size by the ring end gap factor listed on the chart (i. e. , Street Normally Aspirated 4. 000" bore x . 0065" gap factor = . 026" total top ring end gap). Your hypereutectic performance piston will expand less than typical cast or forged