KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size AA0700AF2T590401 1986-1989 Chrysler Fifth Avenue

1986-1989 Chrysler Fifth Avenue

Protector measures 6" from spring seat to end

Uses factory bolt-holes and hardware

FREE EFI Tuning software - For compete control of your Terminator X power plant

Blades are honed to a razor-like finish and have a tapered shape making the blade wider near the top where strength is needed and thinner at the bottom

KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size AA0700AF2T590401 1986-1989 Chrysler Fifth AvenueModern 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