KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings As the military surplus market

As the military surplus market dried up

10 AN Male to 10 AN Male Bulkhead

This Universal Oil Cooler Sandwich Adapter has 3/4"-16 thread and a 2-5/8" O-Ring

Note 1 - fits most Z-bars

Black Zinc

KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings As the military surplus marketModern 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