Steel Thunder Custom Cycles - aftermarket motorcycle parts for Harley-Davidson and American custom bikes.
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Steel Thunder Custom Cycles

152 York Drive

Marshfield, MO 65706

417-468-2326

 

 

Motorcycle Clutch Kits

CLUTCH KITS FOR HARLEY-DAVIDSON AFTERMARKET AND CUSTOM MOTORCYCLES

Rivera Pro Clutch Kit for Chain Drive.

Rivera Pro Clutch Kit for Big Twin 90/97.

Rivera Pro Clutch Kit for Big Twin 88/L

PRO CLUTCH KIT FOR BIG TWIN - Rivera

  • Made to transfer serious horsepower where an OE clutch assembly just can't handle the torque.
  • Utilize your existing clutch shell (basket) and provide 100% more clutch plate friction surface than the OE clutch.
  • Includes a diagram type spring that produces an easy pull at the hand lever.
  • The 1936/Early 1984 kits are designed to bolt directly to the clutch shell thus eliminating the roller bearing type clutch hub.
  • The Pro clutch uses a far more superior two row sealed clutch hub bearing that totally eliminates clutch drag at stop lights.
  • 1990/Later style Pro Clutch kits are designed to press into the OE clutch shell as if you were changing a stock inner clutch hub.
  • Fits Big Twin as listed.
  • Made in the U.S.A.

Part#:MU73155 - Chain Drive Only - Fits 1936/Early 1984 ... $495.05 including free shipping*


Part#:MU73403 - Fits 1990/1997 ... $449.10 including free shipping*




Part#:MU73404 - Fits 1988/Later ... $449.10 including free shipping*

Replacement Clutch Plate Kits (prices include shipping*):
Year Description Part # Price Buy Now
1936/Early 1984 Includes 7 Barnett CF2000 Carbon/Kevlar® Friction Plates & 7 Barnett Steel Drive Plates. MU73103 $107.84
1990/1997 Includes 9 Barnett CF2000 Carbon/Kevlar® Friction Plates & 10 Barnett Steel Drive Plates. MU73104 $123.68
1998/Later Includes 8 Barnett CF2000 Carbon/Kevlar® Friction Plates & 9 Barnett Steel Drive Plates. MU73105 $123.68

BDL Competitor Clutch Conversion Kit for Big Twin.  For chain or belt primary drive.

MU73127

Competitor Clutch Conversion Kit from BDL for Big Twin.

MU73129

COMPETITOR CLUTCH CONVERSION KIT FOR BIG TWIN - Belt Drives Ltd.

Convert that wimpy stock clutch to one that can handle all the ponies you can throw at it.

  • Provides about 60% more friction surface than stock clutches.
  • Kevlar plates can be run wet or dry.
  • Accurate spring tension is made possible with 9 coil springs and bolts.
  • #MU73127 bolts directly to the clutch basket eliminating the OE clutch hub and loose bearing set up, converting it to a 40mm double row bearing that will not walk out like the OE arrangement.
  • #MU73129 presses into the OE clutch shell just as if you were changing an OE inner clutch hub.
  • Fits Big Twin 1936/1997 as listed.
  • Made in the U.S.A.


Part#:MU73127 - Fits All Big Twin 1936/Early 1984. Chain or belt Primary Drive. ... $373.99 including free shipping*


Replacement Parts for MU73129 (prices include shipping):
Description Part # Price Buy Now
Clutch Plate Kit with 7 Barnett CF200 Carbon/Kevlar fiber friction plates & 7 Barnett steel drive plates. MU73100 $107.84
Kevlar Clutch Plates, Set of 7 friction plates. MU73171 $95.90
Steel Clutch Plates, Set of 8 drive plates. MU73172 $62.70

Ball-Bearing Lockup Clutch ConversionKit for all 3" BDL drives.

DS1130-0079

Photo may contain extra element.  Ball bearing lock up clutch for Primo Pro-Clutch belt drive.

DS1130-0080

Ball bearing lock-up clutch for Big Twin with stock Harley-Davidson clutch.

DS1130-0081

Please Note: Kits may differ from photos.

Ball-Bearing Lockup Clutch Conversion Kits - BDL

  • Standard equipment with all of BDL's 2" SS series primary drives.
  • Converts existing clutches to a ball-bearing lockup design.
  • Lockup desing applies extra pressure to the clutch plates for positive engagement with no clutch slippage.
  • No increase in lever pull effort.
  • Proven performance - used to set a Bonneville land speed record (Wink Eller - Worlds Fastest A.M.A. sidecar tat 177.874 mph).
  • Kits include all necessary components for a complete retrofit.
  • Prices include shipping*
Part # Description Price Buy Now
DS1130-0079 For all 3" BDL belt drives $191.86
DS1130-0080 For 90-07 Primo Pro-Clutch belt drives $191.86
DS1130-0081 For 98-07 Big Twin with stock H-D clutch $191.86

Please note: These are special order items. While most items ship the same or next business day, these items will take a few extra days to ship. No express delivery is available. No returns on Special Order items except for manufaturer's defect.

Barnett Performance Clutch Kit for Big Twin.

PERFORMANCE CLUTCH KITS FOR BIG TWIN - Barnett

The Scorpion Billet Clutch features over twice as much friction surface are compared to your OEM clutch. The problem of "finding neutral" is eliminated and shifting through the gears is smooth and precise. The Barnett friction plates are compatible with any primary oil. Fits Big Twin models as listed. Made in the U.S.A. Prices include free shipping*

Features:

  • Six heavy duty coil springs for high torque engines.
  • Billet aluminum pressure plate.
  • Extra spring set with different spring rate.
  • Hub machined from billet steel.
  • Solid steel thread inserts.
  • Twice as much friction surface area as a stock clutch.
  • CF 2000 friction material made from Carbon Fiber Kevlar®, Carbon Graphite and other resins, polymers and fillers.
  • Instructions included.
  • Made in the U.S.A.
Model & Year Description Part # Price Buy Now
1936/Early 1984. Replaces 10 spring clutch, eliminates loose bearing type clutch hub. MU73190 $612.90
1986/1989 Replaces diaphragm clutch. MU73189 $612.90
1990/1997 Replaces diaphragm clutch. MU73188 $612.90
1998/Later Replaces diaphragm clutch. MU73187 $612.90
 
Clutch Basket with competitor Clutch for Big Twin from BDL.

CLUTCH BASKET WITH COMPETITOR CLUTCH FOR BIG TWIN - BDL

Designed to upgrade your entire clutch assembly. Belt Drives Limited (BDL) has added their Competitor Clutch to their newly engineered clutch basket. With its Kevlar clutch plates this heavy duty assembly offers approximately 60% more surface area than OE. These feature a large 35mm hub bearing and 9 shoulder bolts and springs for accurate spring tension. Baskets include a 36 tooth sprocket. If you have the power...we have the clutch. Fits Big Twin models as listed. Made in the U.S.A.

Year & Description Part # Price Buy Now
Big Twin models 1986/1989 MU73320 $542.25
Big Twin models 1990/Later. Includes 9 tooth pinion gear and 66 tooth starter ring gear. MU73402 $542.25

Note: 1999/Later models may require slight material removal on the outer primary cover.

Replacement Parts:
Description Part # Price Buy Now
Clutch Plate Kit with 7 Barnett CF200 Carbon/Kevlar fiber plates and 7 Barnett steel drive plates MU73100 $107.84
Kevlar clutch plates. Set of 7 friction plates. MU73171 $95.90
Steel clutch plates. Set of 8 drive plates. MU73172 $62.70
Clutch hub for MU73319. MU73324 $106.31
Clutch hub for MU73402 MU73326 $106.31

More replacement parts available. Write or call with make, model, year.

Alto Carbonite clutches replace Harley-Davidson clutches.

Clutches designed and engineered for maximum engine torque!

Harley-Davidson® Replacement Clutch Kits - Alto Carbonite® Hi-Performance PowerPacks®

Carbonite® clutches designed and engineered for maximum engine torque and the high performance biker.  Carbon offers superior coefficient of friction, high temperature capacity & decrease in wear.  Single Side Extra Capacity Clutches reduce heat, increase surface area & balance temperature and rapid heat dissipation.  Lifetime Warranty and unparalleled & unrivaled peformance make this a great clutch choice!

Part#: MU73120 - 1941-1983 Big Twin; includes 6 Carbonite frictions & 5 Kolene Melonite steels ... $178.58 including shipping*

Part#: MU73121 - 1984-1989 Big Twin; includes 6 externally splined Carbonite single side frictions, 6 internally splined Carbonite single side frictions, 1 double side Carbonite friction ... $178.58 including shipping*

Part#:MU73122 - 1990-1997 Big Twin & 1991/Later XL (Sporster) & Buell; includes 9 externally splined Carbonite single side frictions, 9 internally splined Carbonite single side frictions, and 1 double side Carbonite friction ... $178.85 including shipping*

Part #MU73123 - 1998-Later Big Twin; includes 10 Carbonite frictions and 9 Melonite steels ... $178.85 including shipping*

Active Balancing System for Sportster (XL)
ACTIVE BALANCING SYSTEMS FOR SPORTSTER - Balance Masters

Active engine balancing technology designed exclusively for the Harley-Davidson® motorcycle. This system was designed to vastly improve the inherent balance of the already operating motorcycle. The Balance Master adjusts as it runs to maintain as perfect a balance as man can make it. BALANCE MASTERS ACTIVE BALANCING SYSTEM never needs replacing and includes an exclusive two year limited warranty against material defects. Made in the U.S.A.
Part#:MU75105  - Sportster Clutch. Early Diaphragm Clutch late 1984/1990 ... $113.92 including shipping*.

Clutch Hub Puller for Barnett Scorpion Clutch.

CLUTCH HUB PULLER FOR BARNETT SCORPION CLUTCH

Designed to remove the clutch hub on Barnett's Scorpion type clutches without damaging the mainshaft.
Fits Big Twin 1936/Later and Sportster 1984/Later. Made in the U.S.A. by Barnett.
Part#:MU70444 .... $95.25 including shipping*

YOU CAN FIND MORE TOOLS HERE.

*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. We do not ship to Puerto Rico.

Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.

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Please note that all prices are subject to change.