KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings Header-Box
Description
Header-Box
Note 1 - fits most Z-bars
This Universal Oil Cooler Sandwich Adapter has 3/4"-16 thread and a 2-5/8" O-Ring
As the military surplus market dried up
Black Zinc
KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings Header-BoxModern 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
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