GoPowerSports

Red Upgraded Spring, 40 Series Driver

Red Upgraded Spring, 40 Series Driver Set of 3 Red Upgraded Springs for 40 Series Driver Increases engagement from 1,600 RPM's to 2,000 RPM's Pairing these with the Medium Weight Rollers,...

Yellow Comet Springs, 40 Series

40 Series Yellow Comet Springs Set of 3 per order

40 Series TAV Combo Drive and Driven, Aftermarket

40 Series Aftermarket Driver / Driven Kit  Driver: 1" Bore with 1/4" Key Driven (Inboard): 7-5/8" Diameter and 3/16" Key Way 5/8 or 3/4 Bore Option Rated up to 18HP 40 Series TAV Kits...

40 Series Driven 3/4" Bore, Aftermarket

A high quality Aftermarket 40 Series Driven Pulley, also used in place of Max-Torque Driven Pulley. The 40 series is a symmetrical setup where both sides are angled at 13 degrees.   7...

40 Series Driver 1" Bore, Aftermarket

  40 series driver pulley 1" bore uses 7/8" wide belt. High quality aftermarket unit not made by Comet.

GoPowerSports 40 Series Torque Converter Kit, 8-18HP

40 Series Torque Converter Bolt On Kit Includes: 1- 40 series driver for 1" crankshaft  1- 40 series,  5/8" bore  driven pulley  1- 40 series 7/8" wide drive belt 1- 10T...