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 so crucial for
this use.
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.
With precise specs and consistent quality, these springs are
capable of revving to 11,000+ 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' and thousands of race and street engines for years with
nothing but excellent results.
Designed with the aid of a Formula-1 engineer and the latest
technology; our springs are guaranteed to out-perform the
competitions valve springs at any price.
- 8 piece kit
- Capable of turning 11,000 RPM for that added safety and
(Over-rev / Mis-shift)
- Designed for maximum reliability
- Capable of handling even the most aggressive of cams
- Compatible with every camshaft we have ever installed
- Made in the USA
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