KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .040" Over Bore Size 60-003 Double layer Nomex

Double layer Nomex

An improved way to mount your rear bumper

1966-1978 Mercedes-Benz 230

Best with 5 speed or 2200-2500 stall

Exhaust X-Pipe

KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .040" Over Bore Size 60-003 Double layer NomexModern 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