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 that also offers the
needed 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.
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.
Designed with the aid of a Formula-1 engineer from the finest
materials and manufacturing techniques; our springs are guaranteed
to out perform the competitions valve springs at any price.
- Designed for S50B30 Euro head (7mm valve stems)
- 24 piece kit
- Capable of turning 12,000 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 performance camshaft we have installed on
the S50B30 Euro engine.
- Made in the USA
Please Note: due to there more advanced design,
these valve springs are NOT compatible with OEM BMW retainers, our
VAC retainers must be used.
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