Put Formula-1 based engineering in your M30 powered BMW!
Let our VAC Motorsports High Performance Valve Spring & Retainer Kit extract the most from your camshafts!
Designed with the aid of a Formula-1 engineer; our springs are guaranteed to out perform the competitions valve springs at any price.
- Capable of burst-revving to 12,000 RPM for that added margin of safety against over-revving and that mis-shift you are trying to nail down.
- Designed for maximum reliability
- Capable of handling even the most aggressive of cams
- Compatible with all performance camshafts we have installed in the M30
Our VAC High Performance BMW Valve Springs are a dual-spring interference design that is made from H-11 Alloy, a metal often used for highly stressed structural parts (such as aircraft landing gear) that also offers resistance to thermal fatigue.
Each spring is shot-peened for stress relief and dual-interference fit to control harmonic resonance across the rev range.
In our dual spring configuration, should something happen to one spring, the other can prevent the valve from dropping and causing catastrophic engine damage.
VAC Titanium Retainers offer an extremely light weight choice for racers that are determined to maximize performance down to each gram of the valvetrain. Ideal for very high RPM extreme race & sprint use.
When do you want to select Ti retainers? A good indicator is when you plan to switch to solid lifters or are building an all out race engine that will be regularly inspected.
These kits have worked flawlessly with every camshaft we have ever installed, including those from Schrick, VAC, Sunbelt, Cat, and others. From the reliable and winning results of thousands of our spring assembles, we can say confidently this represents the best set available for your BMW at any price.
Please note that because we engineered this set from a clean design; springs retainers and seats are all sold together as the superior dual spring arrangement must be used with the correct retainers and seats together and are not compatible with OEM seats/retainers, therefore springs are not available separately other than for replacements.
Features:
- VAC dual-interference springs capable of extreme 12,000 RPM for that added piece of mind (Racing, Over-rev/Mis-shift, etc)
- VAC Titanium Valve Retainers
- VAC Spring Seats
With precise specs and consistent quality, these springs are capable of revving to 12,000 RPM for added peace of mind and maximum performance. We have been using our VAC series of springs in our World Challenge Touring Car, GT3 car, C-Mod E36 'Silver bullet', thousands of race engines, and street engines for years with nothing but excellent results.