KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size AA0700AF2T590401 Protector measures 6" from spring

Protector measures 6" from spring seat to end

High Dielectric Strength Thermoplastic Cap With Brass terminals

Transmission Seal Plate

SPECS: Brand: Holley EFI Product Type: Fuel Pressure Regulator Rebuild Kit

6 AN Female to 5/16 in Tubing

KB Hypereutectic Dome Pistons - SB Ford 302 - 5.090" Rod Length, .030" Over Bore Size AA0700AF2T590401 Protector measures 6" from springModern 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