Motorcycle Cylinder Head Rebuilding, Porting, And Three Angle Valve Jobs!

DWMS Racing offers complete restoration, factory stock,
street performance, and racing cylinder head building!

For restoration and stock rebuilding services we offer a
complete line of services including new valve stem seal
installations, valve guide replacement and reaming, valve
seat cutting, valve lapping, combustion chamber cleaning,
cylinder head painting, and many other services!

Our performance and racing cylinder head services also
include custom camshaft installations, dual valve spring
and titanium retainer conversions, intake manifold and
gasket port matching, complete intake and exhaust porting,
racing valve guide installations and reaming, valve seat
work and cutting including multiple angle valve jobs,
combustion chamber cc matching, reshaping, and polishing.

We cut three angle valve jobs on most all vintage and modern
motorcycle cylinder heads!

Please visit our new cylinder heads page on our website! http://www.dwmsracing.com/cylinderheads.html

Here are a few photos of our porting work!

We cut the intake manifolds to match our port work on all of our racing cylinder heads!



We also cut the valve seats to match our porting! If requested we will also cut the valve guides to match the port!





This photo shows a DWMS Racing ported intake port on the left compared to a stock intake port on the right on a CB450 cylinder head!

Most of you know that I love to post before and after photos!

Four stroke cylinder heads!









Two stroke cylinder heads!

We install titanium valve spring retainers in all of the racing cylinder heads we build!

Some damn fine work! Love the attention to detail!!!