KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .030" Over Bore Size Disc Brake Pads Fabricated from 1/4" thick 6061-T6

Fabricated from 1/4" thick 6061-T6 aluminum

SAE / Metric Sizing

software and and Bosch wideband 02 sensor designed to be used with GM LS1/LS6 engines with factory GM coils and a 24 tooth crank sensor

Throttle Bore: 90mm

KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .030" Over Bore Size Disc Brake Pads Fabricated from 1/4" thick 6061-T6Modern 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