VAC's Stage 3 Performance Cylinder Heads
are the ULTIMATE in cylinder head technology and performance,
crafted with more than 50+ years experience in the racing
S14 E30 M3s with our standard Stage 3 cylinder heads and 2.5L
Stroker Kit have made 330+ HP N/A (without being a single race time
bomb)! We have been fortunate enough to develop or S14 program with
a world wide clientele, and have worked with everything from Rally,
street, turbo, and even 1992'spec DTM cars.
When fitted with all of our options, the latest revisions to our
head design allows it to handily outperform both the Gruppe A and
DTM heads developed by BMW.
We have spent many, many years on the dyno, the flow bench, and
even more years though world-wide racing experience to achieve such
excellent and reliable results, and we never ever stop improving
our S14 technology.
Even though they are an extreme departure from stock, we have stage
3 heads for use on the ultimate street performance vehicle as
Our Stage 3 Cylinder Heads feature the following:
Option - CNC'd Combustion Chambers to DTM Spec - further
unshrouding leads to more horsepower for 95mm Bore (or larger)
Everything above is a Flow-Bench, and real-world tested
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