Assembly and drives
Part # S/W5500
Idler Assembly for all Shaver-Wesmar Gear Drives.
Big Block Water Pump Drive Hub
Part # S/W-A127
Primarily used for sprint car engines that have a big block crank snout and drive the water pump off the front of the engine.
Small Block Water Pump Drive Hub
Part # S/W-A128
Used on engines with a standard snout crank size. Used to drive the water pump off the front of the engine.
Oil Pump Drive Hub
Part # DA102-26-0601
Used on engines that drive the oil pump off the front of the cam. Mainly used on sprint car engines.
CNC Machined Heat Treated Gears with Precision Crown Shaved Teeth for smooth harmonic free operation. The whole unit weighs only 4 1/2 lbs. Comes Complete With Everything You’ll Need!
Made of ultra-light aluminum aircraft alloy. Crack resistant steel idler gear support. Gears precision cut from 9310 steel, with no more than a .001 total run out with 20 degrees pressure angle. Highly adjustable and easy to install.
Established by Ron Shaver and Bob Westphal in 1994 with over 70 years combined experience. Used by top engine builders, most reliable gear drive on market