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 Five years ago, Ron Shaver and Bob
Westphal collaborated to bring the racer/engine builder their version of the
ultimate gear drive.
Why? Because availability from other manufacturers was sparse. In addition,
the other gear drives couldn’t keep up with the high performance demands
that sprint car engines require.
You may be asking, “Why should I invest in a Shaver-Wesmar Gear Drive?”.
Simple. Ron Shaver and Bob Westphal have combined over 70 years experience in
the engine building business - these gear drives are built by professionals.
They are used on all Shaver and Wesmar engines. Every time a Shaver or a
Wesmar engine comes in for a rebuild, they are there first hand to examine the
gear drive to see if anything is at fault, or if there is something they can
do to make an already great gear drive better!
Gear Drives
The Shaver-Wesmar Gear Drives are
available in four variations:
- Rocket/Dart block, with cam bore
raised .391
- Roller cam bearing blocks, i.e.
Rodeck/Donovan
- Standard cam bearing blocks
- Big Block crank gear size
Other features include:
- Made of ultra-light aluminum
aircraft alloy
- Crack resistant steel idler gear
support
- Gears precision cut with no more
than a .001 total run out from 8620 steel with 20 degrees pressure angle
- Fits most small block Chevy’s
- Highly adjustable and easy to
install!
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Degree Wheel
 Shaver-Wesmar has come up with a better idea for checking
the timing on your engine! The degree wheel bolts to the front of the cam
gear. This method is more accurate than the traditional small diameter crank
hub.
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Front Cover
 Shaver-Wesmar introduces a
state-of-the-art lightweight billet aluminum timing cover! In addition to the
quality machine work, our timing cover has added a site plug at the top in
order to check the ignition timing, if using the Shaver-Wesmar Degree Wheel.
For the weight conscious racer,
here’s a breakdown on the weight savings...
The standard cast
timing cover weighs 3.25 lbs. The Shaver-Wesmar billet aluminum cover weighs
2.25 lbs. If you prefer the ultimate in weight savings, Shaver-Wesmar offers a
magnesium cover that weighs 1.5 lbs.!
Aluminum..................................................
Magnesium..................................................
Titanium Timing
Cover Bolts
 Shaver-Wesmar has a titanium bolt kit
for the timing cover for the ever increasing demand for weight savings!
each...........................................................
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