KB Hypereutectic SB Chevy Dished Piston Set - 4.030" Bore - 3.750" Stroke - 5.700" Rod Length NecksGen 1989-1989 Chevrolet V3500

1989-1989 Chevrolet V3500

Bare castings have a multi-angle performance valve job and bronze valve guides

tube design provides excellent exhaust flow to let your F-Series Ford truck's factory Inline 6 engine breathe easy

breather tanks and helmet systems

KB Hypereutectic SB Chevy Dished Piston Set - 4.030" Bore - 3.750" Stroke - 5.700" Rod Length NecksGen 1989-1989 Chevrolet V3500Modern 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