Part number SPRK-B58B Supertech valve double spring kit BMW / Toyota - 3.0 Turbo (B58)
Send us your engine code or VIN — we will check the fitment and reply the same day.
Seat pressure - 77lbs @ 40.10mm
Open (lift) pressure - 180lbs @ 10mm
Spring coil bind - 27.00mm
Rate - 10.30lbs/mm
Max lift - 12.20mm
Outer spring outer diameter: 26.50mm
Outer spring inner diameter: 18.70mm
Inner spring outer diameter: 21.60mm
Inner spring inner diameter: 13.80mm
Set includes:
Dual springs: 24 pcs. SPR-FE20BE
Titanium retainers: 12 pcs. RET-BMB48/TE and 12 pcs. RET-BMB48/TI