KB Hypereutectic SB Chevy Dished Piston Set - 4.030" Bore - 3.750" Stroke - 5.700" Rod Length NecksGen Exhaust Manifold Gasket Kit for

Exhaust Manifold Gasket Kit for 1045965 6

1989-1989 Chevrolet V3500

breather tanks and helmet systems

2011-2018 Ford F-150

1983-1986 Dodge Ram 50

KB Hypereutectic SB Chevy Dished Piston Set - 4.030" Bore - 3.750" Stroke - 5.700" Rod Length NecksGen Exhaust Manifold Gasket Kit forModern 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