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Zestaw podwójnych sprężyn zaworowych Supertech BMW M50 M52 M54 S50 S52
In brief

Part number SPRK-H1005D-BM Supertech valve double spring kit BMW - 2.5 2.8 3.0 (M50 (only with 6mm valves!), S50 S52 (USA), M52, M54)

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Send us your engine code or VIN — we will check the fitment and reply the same day.

Ask about fitment 530 525 958

Spring data:

Seat pressure - 94lbs @ 35.70mm
Open (lift) pressure - 209lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 11.50lbs/mm
Max lift - 15.00mm
Outer spring outer diameter: 29.65mm
Outer spring inner diameter: 21.85mm
Inner spring outer diameter: 20.50mm
Inner spring inner diameter: 15.50mm

Set includes:

Dual springs: 24 pcs. SPR-H1005D-BM
Titanium retainers: 24 pcs. RET-AU5VE-T1
Seats: 24 pcs. SEAT-BM60

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