Photos shown for illustration; shade and shape may differ slightly.
Skunk2 High Lift Valve Spring and Titanium Retainer Kit for BMW B58, S58 and Toyota Supra A90 Engines
Supplier stock
The Skunk2 kit brings high-lift valve springs and titanium retainers for the BMW B58, S58 and Toyota Supra A90 engines. Skunk2 recommends it with the Ultra Stage 1 camshafts, as long-term durability on the stock springs is unknown.
Specifications
| Brand | Skunk2 Racing |
| Code | 313-14-1000 |
| Contents | valve springs and titanium retainers |
Which cars it fits
- BMW B58 (M140i, M240i, M340i, M540i), Toyota Supra A90 and BMW S58 (M2, M3, M4 G8X) engines
What to check
- Skunk2 valve springs are made from high tensile chrome-silicon wire, shot peened and heat treated. They allow more lift than the stock springs and are required with high-lift camshafts.