Kelford S58 Valve Spring Kit | High Performance Spring Kit for BMW G80 G82 G87
Kelford S58 Valve Spring Kit with Titanium Retainers designed to work seamlessly with the BMW M Series S58 3.0L Inline 6. Made using high-performance PACALOY™, a beehive valve spring and titanium retainers, this kit is sure to offer outstanding performance.
Kelford's kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 S58 camshafts to provide exceptional quality, reliability, and performance.
- 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift
- Spring coil bind height at 23.6 mm
- Valve Spring Fitment Guide
Kelford S58 Valve Spring Kit | 110lb Racing Spring Kit
High Energy, Extreme Racing Valve Springs designed for BMW S58 3.0L inline 6 Engine. High performance, progressively wound PACALOY beehive valve spring with titanium retainers.
This kit utilises a precision machined spring seat to max out the seat pressure for high boost, high horsepower builds. Specifically designed for Kelford Cams Stage 2 & Stage 3 Camshafts for engines making over 1000HP.
- 110lb seat pressure at 34.6mm installed height
- 210lb at 10.8mm valve lift
- Spring coil bind height at 22.8mm
Kelford S58 Valve Spring Kit Applications:
2 Series
2023-Present G87 M2
3 Series
2021-Present G80 M3
4 Series
2021-Present G82/G83 M4
X3 Series
2019-Present F97 X3M
X4 Series
2019-Present F98 X4M