The finest Valve Spring & Retainer Kit
available for the S14
Our Spring Kits feature a custom dual spring capable of turning
12,000 RPM for that added piece of mind (Over-rev/Mis-shift). Our
springs are shot-peened for stress relief and interference fit to
control harmonic resonance across the rev range. Also in our dual
spring configuration, should something happen to one spring, the
other can prevent the valve from dropping and causing catastrophic
engine damage. Our springs far exceed all other springs we have
ever tested, and easily best the Motorsport springs in longevity
and performance.
These springs are capable of handling much higher lift for even the
most aggressive of cams like the Schrick 320°. We can provide all
setup data for your engine builder as well.
After rigorous testing in some of our test 2.5L Stroker Engines for
year after year, these Valve Springs still tests within 2% of their
original rate!
The reliability and weight savings afforded by the coated Steel
Alloy retainers make them a super popular choice with racers and
street customers.
Our Ti Retainers are the lightest choice for when your racing to
win.
From the reliable and winning results
of thousands of these valve springs, we can say confidently they
are the best valve spring available for your BMW at any price.
This kit includes:
- 16 High Performance VAC Dual Valve Springs
- 16 Choice of Steel Alloy or Titanium Valve Retainers
- 16 Steel Alloy Seats
- Our kit is made in the USA for the best reliability
VAC Tech Note:
Due to the nature of Titanium retainers, while they are suitable
for a street S14, it is only recommended they be installed in a
valve train that will be inspected from time to time. Our Steel
Alloy is a great choice for a street or track oriented car that
wont have its valvetrain inspected regularly, and still weighs
almost half of standard.
You can chose to add our Performance Solid Lifter kit for the
lightest, highest performance and most reliable valve
train.
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