Kelford S58 / B58 Gen 1/2 Valve Spring Kit

Valve spring and Titanium retainer kit is 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.

Our kit is specifically engineered to work well with our Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance.

• 90lb seat pressure at 36.5mm installed height. 193lb at 11.0mm valve lift.
• Spring coil bind height at 23.6mm.