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Recent Addition more
Oil Pump Performance Upgrade Kit
Oil Pump Performance Upgrade Kit
$53.00
$42.50
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Valve Spring Set Performance Street & Race Up to 12mm Lift 4Cyl & TS
[VSS12]
$72.00 $54.00

Fits all 4 cyl. Alfas from 1959-1994 and Twin Spark.

CUSTOMER COMMENT:

I just installed your valve springs.  I'm actually very impressed by the quality.  I checked them with a Rimac spring tester and managedto pair them into 8 sets with less than 1 lbs. in difference between the sets.  Regards--PT (Denmark)

These high performance silicone chrome valve springs help prevent valve float and improve power in race and street high-performance engines to 8000 rpm.

Our VSS12 Performance Springs have been around since the early 80's and we have sold thousands of sets.  Our shop has used these custom manufactured springs in customer performance engines all these years.  These work well at high RPM with cams up to 12mm lift.  They will work with lift up to 13mm, but can fatigue and diminish top end power. This has proven to be a great all around spring for both vintage race and street performance.

THIS IS A BOLT-ON PRODUCT. These are designed to be installed "as is"  to complement your choice of performance enhancing cams.   They can simply be installed at stock height.

We offer three grades of valve springs to suit your needs.  This basic performance spring can be used for race or street.  Most Alfa performance engines make peak torque and horsepower before 7000 rpm with the power falling off sharply thereafter.  Best results are achieved by using a 7000 rpm redline with stock rod engines.

We offer two upgrades designed for cams up to 13mm that operate at or above 7500/8000 rpm range.  Click here to view the upgrades. VSS12-1, and VSS1214  .

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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine, gearbox, differential and wheels.
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