Kelford Cams Extreme Racing Valve Springs BMW G82/G83 B58 / S58 3.0L

High Energy Extreme Racing Valve Springs, designed for the BMW B58 / S58 3.0L Inline-6 engine. Featuring high-performance, progressively wound PACALOY beehive valve springs with titanium retainers.

This kit utilises a precision-machined spring seat to maximise seat pressure for high-boost, high-horsepower builds. Specifically designed for Kelford Cams Stage 2 & Stage 3 camshafts, for engines making over 1,000HP.

• 105lb seat pressure at 35mm installed height
• 210lb at 10.8mm valve lift
• Spring coil bind height at 23.6mm

Important Information:

This product is intended for performance use and should be installed by a qualified professional.

It is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.

Gridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.

Due to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.