Description
The Dorch Engineering Kelford BMW Gen1 B58 Valve Springs & Titanium Retainers Kit is a high-performance valvetrain upgrade for the BMW Gen1 B58 3.0L inline-6 engine.
Featuring Kelford progressively wound PACALOY beehive valve springs and lightweight titanium retainers, this kit is engineered to provide the valvetrain control, performance, and reliability required for high-performance B58 builds.
The valve spring and retainer combination was specifically developed by Kelford to complement its Stage 1, Stage 2, and Stage 3 B58 camshafts, making it a matched valvetrain solution for performance-oriented engine builds available through Dorch Engineering.
Fitment
BMW B58 Gen1 – 3.0L Inline-6
Designed specifically for Gen1 BMW B58 engines.
Compatible with:
- Kelford Stage 1 B58 Camshafts
- Kelford Stage 2 B58 Camshafts
- Kelford Stage 3 B58 Camshafts
Key Features
- Kelford Performance Valvetrain Components: Developed by Kelford specifically for high-performance B58 applications.
- PACALOY Beehive Valve Springs: Progressively wound beehive springs provide optimized valvetrain control.
- Titanium Retainers: Lightweight titanium retainers help reduce valvetrain mass.
- Kelford Camshaft Compatibility: Engineered to match Kelford Stage 1, Stage 2, and Stage 3 B58 camshafts.
- High-Performance Design: Designed to support demanding B58 engine builds.
- Matched Spring and Retainer Package: Provides a purpose-engineered combination for Kelford's B58 camshaft range.
- Performance & Reliability: Developed with a focus on quality, performance, and long-term valvetrain reliability.
Specifications
- Brand: Kelford
- Distributor: Dorch Engineering
- Application: BMW B58 Gen1
- Engine: 3.0L Inline-6
- Valve Spring Type: Progressively wound PACALOY beehive
- Retainer Material: Titanium
- Seat Pressure: 90 lb at 36.5 mm installed height
- Valve Lift Pressure: 193 lb at 11.0 mm valve lift
- Camshaft Compatibility: Kelford Stage 1, Stage 2, and Stage 3 Camshafts
What's Included
- Valve Springs
- Titanium Retainers