Clutch, Fun Kart & Mini-Bike, The SS series is the most popular style clutch used by the O.E.M.
since its introduction in 1970. 10hp max. 3/4" Shaft.

Max-Torque Racing Clutch (BSP/Chinese OHV), 3200 rpm engagement, Preferred for Karts. Works well on stock or mild motors. These Max-Torque Clutches clutches are specially built for NR Racing to engage at higher rpms and are stronger than the standard fun kart clutch. The clutch includes a built in clutch key in the drive hub to reduce chances of losing the key or struggling to find one that fits properly. 4 cycle - 3/4" bore - #35 chain, Comes boxed with mounting hardware and instructions.

(10 Tooth, 11 Tooth, and 18 thru 21Tooth Clutches slightly higher - see price in shopping cart)

Max-Torque Racing Clutch (BSP/Chinese OHV), Green Spring (2800 rpm), Preferred for Mini-Bikes. Works well on stock or mild motors. These Max-Torque Clutches are specially built for NR Racing to engage at higher rpms and are stronger than the standard fun kart clutch. The clutch includes a built in clutch key in the drive hub to reduce chances of losing the key or struggling to find one that fits properly.

(note: 10 & 11 tooth clutches have black springs for slightly higher engagement)

4 cycle - 3/4" bore - #35 chain, Comes boxed with mounting hardware and instructions

(10 Tooth, & 18 thru 21Tooth Clutches slightly higher - see price in shopping cart)

Max-Torque Racing Clutch #219 Chain  (BSP/Chinese OHV), 3200 rpm engagement,

Hilliard Inferno FURY Clutch

The Inferno Fury is an economical racing clutch designed for durability. The sprockets are heat treated steel and the hub is heat treated. The Fury is available with an oil impregnated bronze bushing, or a needle bearing. The Fury is a long lasting low maintenance design with some tunability. The Fury clutch can handle excessive heat and give you consistent torque all race season. The Fury clutch is a great choice for the super heavy class.

Clutch is designed to use Hilliard Drivers

Drivers not included, Order Here
http://www.nrracing.com/category-s/2852.htm


For installation click here

http://www.hilliardextremeduty.com/media/fury_flurry_instructions.pdf

Hilliard Inferno FLAME Clutch

The Inferno Flame racing clutch is the latest engineered product for the racing industry. The Flame clutch includes all of the design advantages of the Fury but also includes several additional features. The clutch is fully tunable with optional weights. The shoes are lighter than a Fury shoe and include cleaning grooves to collect dirt/debris. The cleaning grooves maintain a smooth drum surface with less galling. The quick change springs, tuning weights, and new shoe design (with increased surface area) make the Flame clutch the best racing drum clutch available on the market.

Clutch is designed to use Hilliard Drivers

Drivers not included, Order Here
http://www.nrracing.com/category-s/2852.htm

Hilliard Inferno FURY Clutch

The Inferno Fury is an economical racing clutch designed for durability. The sprockets are heat treated steel and the hub is heat treated. The Fury is available with an oil impregnated bronze bushing, or a needle bearing. The Fury is a long lasting low maintenance design with some tunability. The Fury clutch can handle excessive heat and give you consistent torque all race season. The Fury clutch is a great choice for the super heavy class.

Clutch is designed to use Bully Type Drivers.

Drivers not included, order here
http://www.nrracing.com/product-p/bcdvr-075-bly.ht...
http://www.nrracing.com/product-p/bcdvr-075-wms.ht...


For installation click here

http://www.hilliardextremeduty.com/media/fury_flurry_instructions.pdf

The Inferno Blaze clutch is the lightest clutch in the Inferno product line. The Blaze clutch is a good choice for JR classes, small tracks or when running indoor racing where you want less rotating inertia in the clutch. The patented shoe design can be placed in a leading, trailing, or combination of leading and trailing orientation. The shoes also have 3 holes that allow the racer to add or remove weights to each shoe. Light and Heavy weights are available for optimal tuning. Quick changes with any combination of weights, springs, and shoe orientation gives the racer the ability to keep the clutch tuned to the tracks current condition or to the different tracks that you race.

Clutch is designed to use Hilliard Drivers

Drivers not included, Order Here
http://www.nrracing.com/category-s/2852.htm


For installation & more info about Inferno clutches click here

http://www.hilliardextremeduty.com/media/fury_flurry_instructions.pdf

Hilliard Inferno FLAME Clutch

The Inferno Flame racing clutch is the latest engineered product for the racing industry. The Flame clutch includes all of the design advantages of the Fury but also includes several additional features. The clutch is fully tunable with optional weights. The shoes are lighter than a Fury shoe and include cleaning grooves to collect dirt/debris. The cleaning grooves maintain a smooth drum surface with less galling. The quick change springs, tuning weights, and new shoe design (with increased surface area) make the Flame clutch the best racing drum clutch available on the market.

Clutch is designed to use Bully Type Drivers.

Drivers not included, order here
http://www.nrracing.com/product-p/bcdvr-075-bly.ht...
http://www.nrracing.com/product-p/bcdvr-075-wms.htm

The Inferno Blaze clutch is the lightest clutch in the Inferno product line. The Blaze clutch is a good choice for JR classes, small tracks or when running indoor racing where you want less rotating inertia in the clutch. The patented shoe design can be placed in a leading, trailing, or combination of leading and trailing orientation. The shoes also have 3 holes that allow the racer to add or remove weights to each shoe. Light and Heavy weights are available for optimal tuning. Quick changes with any combination of weights, springs, and shoe orientation gives the racer the ability to keep the clutch tuned to the tracks current condition or to the different tracks that you race.

Blaze Clutch Kit with Bully Conversion.

Kit comes with 4 each Light and Heavy Weights with 24 Snap Rings.

Comes with 4 each Orange, Yellow, and White Springs.

Comes with one BCSNR and one HDC-CMK mount kit.

Unassembled, Instructions Included

Drivers not included, order here
http://www.nrracing.com/product-p/bcdvr-075-bly.ht...
http://www.nrracing.com/product-p/bcdvr-075-wms.ht...


For installation & more info about Inferno clutches click here

http://www.hilliardextremeduty.com/media/fury_flurry_instructions.pdf

The Cheetah" friction disc clutch from Nor-Am. Almost a direct copy to the Grease Lightning clutch. Popular among dirt racers, in addition to its attractive price, "The Cheetah"comes with three drivers,

3/4" Viper 6-Spring Clutch without driver (2-Disc)

High Quality Disc Racing Clutch. Will hold up to 20 hp.

Use Bully Type Drivers. Drivers not included
Click here for drivers

Note: Driver is sent loose and must be installed before installation on motor

Great clutch for stock to mild clones, GX200s, & Predators

FACTORY SETTINGS

Engagement: 4000 RPM

Weights: 1 Bolt outer hole of every lever

Springs: Red

Spring Height: .225"

Clutches DO NOT come with drivers!
Driver must be ordered separate. Click here

Great clutch for Mini-Bikes
Also for karts needing lower engagement.

FACTORY SETTINGS

Engagement: 3200 RPM

Weights: 1 Bolt outer hole of every lever

Springs: Black

Clutches DO NOT come with drivers!
Driver must be ordered separate. Click here

This clutch is a 3 disc 6 spring clutch. It would be used on tracks requiring heavy clutch usage. Heavy clutch usage would be a result of either a heavy kart such as the Super Heavy or Champ class, or a track that is small and requires frequent engagement of the clutch throughout the race.

Also for Hight HP applications (>20hp)

FACTORY SETTINGS

Engagement: 4000 RPM
Weights: 1 Bolt in outer hole of every lever
Springs: Red
Spring Height: .225"

Clutches DO NOT come with drivers!
Driver must be ordered separate. Click here