KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .030" Over Bore Size 355013 Flex-A-Lite Electric Cooling Fans

Flex-A-Lite Electric Cooling Fans

For installing pyrometer probes

One Spring & Copper Washer inside of adjustment wheel to maintain correct torque and tension to close up any remaining gaps

lighter and more true than other beadlocks on the market

They're topped off with an alkyd molded top and brass

KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .030" Over Bore Size 355013 Flex-A-Lite Electric Cooling FansModern 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