


Part number: FCPPB845085M50
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: 84.50mm
Compression ratio (CR): 8.5:1
Compression height: 32.50 mm
Pin diameter: 22mm
Stroke: 75.00mm
BMW 325 525 Turbo (M50B25, M52B25TU)
Connecting rod length must be 140mm

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Part number starting with 330 |
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Athena advantages |
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Reinforced material |
Asbestos free composite raw material OE approved |
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Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
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Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |




Spring data:
Seat pressure - 77lbs @ 40.10mm
Open (lift) pressure - 180lbs @ 10.00mm
Spring coil bind - 27.00mm
Max lift - 12.20mm
Rate lbs/mm - 10.30mm
Outer diameter - 26.50mm/18.70mm
Inner diameter - 21.60mm/13.80mm
Set includes:
Beehive springs - 32pcs. SPR-BMS65

Product detailed specification
Manufacturer: FCP Engineering
Model: FCPRHB144353622T
Profile: H-beam
C to C: 144.3mm
Big end diameter: 53.6mm
Pin diameter: 22mm (Tapered small end)
Quantity: 6 pcs., 12 pcs. ARP2000 3/8" bolts
Made of: forged steel 4340 EN24er
Advertised horsepower rating: 1000HP (6 cylinder)
Advertised RPM rating: 9000RPM
BMW 135i E82/E88, M135i F20, M235i F22/F23, 335i E90/E91/E92/E93, 335i F30/F31, 435i F32/F33/F36, 535i F10/F11, 640i F12/F13, 740i F01, X1 E84, X3 F25, X4 F26, X5 E70, X5 F15, X6 E71, X6 F16, 335 GT F34, 535 GT F07
Fits OEM pistons

Product detailed specification
Manufacturer: FCP Engineering
Model: FCPRHBS63B44
Profile: H-beam
C to C: 138.2mm
Pin diameter: 22mm
Quantity: 8 pcs., 16 pcs. ARP2000 3/8" bolts
Made of: forged steel 4340 EN24er
Advertised horsepower rating: 1200HP (8 cylinder)
Advertised RPM rating: 9000RPM
BMW M5 F10 - 4.4 V8 (S63B44)

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
Rretainers - 12 pcs. RET-BMN54-TI (5mm)
Retainers - 12 pcs. RET-BMN54-TE (6mm)