Worm Gear, 0.3mod x 13 Teeth x 5.54mm OD x 2.0mm Face x 1.5mm Bore, Delrin
$24.95

Worm Gear, 0.3mod x 13 Teeth x 5.54mm OD x 2.0mm Face x 1.5mm Bore, Delrin 

Compatible with:  Some Joe Works Shay engines with the 3.1mm diameter worm. reduces speed by 54%. (Includes 1 gear and 1 worm)

 

Part Number:  1078-6