40 Series

Heavyweight Cam Rollers, 40 Series Driver

Discover unmatched durability and performance with our Heavyweight Cam Rollers, specifically designed for the 40 Series Driver. These premium cam rollers are engineered to withstand the harshest conditions and the most demanding applications, ensuring...

44 Series Magnum Driver 3/4" Bore, Comet

The 44 Series Magnum Driver with a 3/4" bore by Comet is a high-quality clutch system designed to provide reliable and consistent performance. This driver is specifically designed for use with lighter and less powerful engines, making it a popular choice...

44 Series Magnum Driver 1" Bore, Comet

The 44 Series Magnum Driver with a 1" bore by Comet is a high-quality clutch system designed to provide reliable and consistent performance. This driver is specifically designed for use with heavier and more powerful engines, making it a popular choice...

40 Series Driven 5/8" Bore, Comet

The 40 Series Driven 5/8" Bore from Comet is an excellent clutch choice for your go-kart or mini bike. This high-performance clutch is designed to provide your vehicle with the power and torque it needs to handle tough terrain, making it a reliable and...

40 Series Driven 3/4" Bore, Comet

The 40 Series Driven 3/4" Bore from Comet is a reliable and high-performance clutch that is designed to give your go-kart or mini bike the power and torque it needs to handle tough terrain. This clutch features a 3/4" bore and is compatible with a range...

Driver Compression Spring, 40 Series

The Driver Compression Spring, 40 Series, is a high-quality replacement component designed to keep your vehicle running smoothly. This spring is made from durable materials that are built to last and withstand the rigors of regular use. It is...

2,600 RPM Stall Kit, 40 Series

The 2,600 RPM Stall Kit, 40 Series is a high-performance torque converter designed for use in vehicles with high horsepower and torque output. It is engineered to provide improved acceleration and power transfer, allowing for quicker 0-60 times and...

Medium Weight Cam Rollers, 40 Series Driver

Looking for an upgrade for your go-kart or mini bike that will improve its performance and durability? The Medium Weight Cam Rollers, 40 Series Driver, is the perfect component for you. These high-quality cam rollers are designed to fit the 40 Series...

Red Upgraded Spring, 40 Series Driver

The Red Upgraded Spring, 40 Series Driver is a must-have component for your go-kart or mini bike. This high-quality spring is built to withstand the toughest conditions and provide maximum performance. Designed to fit the 40 Series Driver, this spring is...

Plastic Torque Converter Cover, 40 Series

40 Series Torque Converter Cover Plastic Uses (5) 1/4" x 3/4" Bolts (Not Included)

40 Series Driver 1" Bore, Comet

40 Series Comet Driver 1" Bore Uses 7/8" Wide Belt Rated for 8HP-16HP Engines

Yellow Comet Springs, 40 Series

40 Series Yellow Comet Springs Set of 3 per order

40 Series TAV Combo Drive and Driven, Aftermarket

The 40 Series TAV Combo Drive and Driven is a high-quality aftermarket product that provides reliable performance. This combo drive and driven is designed to work with the #40 Chain and is suitable for a range of applications in agriculture, automotive,...

40 Series Driven 5/8" Bore, Aftermarket

A high quality Aftermarket 20 Series Driven Pulley, also used in place of Max-Torque Driven Pulley. The 20 series is a symmetrical setup where both sides are angled at 13 degrees. 5/8" Center Bore 7 5/8" OD Driven Pulley 3/16" Key Way

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 5/8" Diameter with a 3/4" Center Bore 3/16"...

Wear Buttons, 40 Series

Buttons that fit a current 40 series driver. Comes in pack of 3.

40 Series Reverse Wound Spring, Yellow

This Yellow 40 Series Reverse Wound Spring is a high-quality replacement spring that is specially designed to work with the 40 Series torque converter. This reverse wound spring is crafted from top-quality materials to ensure durability and long-lasting...

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

Introducing the most powerful and reliable Torque Converter Kit for big block engines! This top-of-the-line Torque Converter Kit is designed for engines with 8-18 HP and 1" Crankshafts, including the popular Predator 301/420 and GX270/390 models...