PRODUCT DESCRIPTION
Product details
Valve Spring Kit
Strengthen your BMW N54 Turbo with the Supertech Valve Spring Kit. Key specifications: Spring Type: Conical Valve Spring, Seat Pressure: 75 lbs @ 36.50mm, Open Pressure: 155 lbs @ 10.00mm, Spring Rate: 7.8 lbs/mm, Max Lift: 12mm, and Safe RPM: 8000. Each kit includes a complete valve train assembly (springs, retainers, locators, and keepers), making installation easy and eliminating clearance issues. Designed to control valve motion at high RPMs, reduce valve float, and support aggressive cam profiles. Compatible with most aftermarket and OEM camshafts within the rated lift range. Installation requires checking installed spring height with included shims and confirming retainer-to-seal clearance. Recommended for any setup with aggressive camshafts, increased RPM limits, or forced induction. Purchase directly from Supertech for fast shipping and expert technical support.
Specifications
Retainer Quantity: 12 12
Spring Kit: spr-fe20be
Spring Quantity: 24
Safe RPM Limit: 8000
Retainer: Steel
Stiffness: 7.8 lb/mm
Spring Outer Diameter: 24.40mm
Spring Inner Diameter: 17.60mm
Spring Outer Diameter: 21mm
Spring Inner Diameter: 14.20mm
Seat Pressure: 75 lbs @ 36.50mm
Open Pressure: 155 lbs @ 10.00mm
Maximum Lift: 12mm
Coil Bind: 23.20mm
Engines
