Part number: FCPPB850090M54
Manufacturer: FCP Engineering
Forged high performance pistons for various applications in nearly all engine types for racing and street use.
Made of 4032-T6, piston skirt is molibden coated.
Each set of pistons also includes rings and HD series pins.
Bore size: 85.00mm
Compression ratio (CR): 9.0:1
Compression height: 30.50mm
Pin diameter: 22mm
Stroke: 89.60mm
BMW 330i, 530i (E46, E39) - 3.0 24V Turbo (M54B30)
Connecting rod length must be 135mm

Check distance between valves and piston to be 1mm at least with VVT engaged. Wrong installation will cause severe engine damage!

Spring data:
Seat pressure - 75lbs @ 36.50mm
Open (lift) pressure - 155lbs @ 10.00mm
Spring coil bind - 23.20mm
Max lift - 12mm
Rate - 8 lbs./mm
Wide end spring outer diameter - 24.40mm
Wide end spring inner diameter - 17.60mm
Narrow end spring outer diameter - 21.00mm
Narrow end spring inner diameter - 14.30mm

Kit includes:
Single springs - 24 pcs. SPR-FE20N54-BE
Retainers - 12 pcs. RET-BMN54-TI (5mm)
Retainers - 12 pcs. RET-BMN54-TE (6mm)