KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings That's why the fastener experts

That's why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware

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KB Hypereutectic Flat Top Pistons - SB Chevy 350 - 5.7" Rod Length, .060" Over Bore Size Swivel Fittings That's why the fastener expertsModern 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