KB Hypereutectic SB Chevy Domed Piston Set - 4.030" Bore - 3.480" Stroke - 5.700" Rod Length 1959997 1984-1986 Chevrolet C10 Suburban

1984-1986 Chevrolet C10 Suburban

2020-2024 GMC Sierra 2500 HD Double Cab Pickup

1967-1971 Ford Ranchero

2005-2010 Ford Crown Victoria

KB Hypereutectic SB Chevy Domed Piston Set - 4.030" Bore - 3.480" Stroke - 5.700" Rod Length 1959997 1984-1986 Chevrolet C10 SuburbanModern 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