Clutch & Primary Drive

The Scorpion Billet Clutch features a greatly increased clutch surface area (compared to stock) and includes a CNC machined billet aluminum pressur...

Features & Benefits:- * Greatly increases clutch capacity. * Provides smoother shifting and multiple spring pressure options. * Ideal for sto...

Features & Benefits:- * Progressively increases pressure as RPMs increase * Reduced lever effort! * Six High capacity coil springs provide smoo...

Features & Benefits:- * Made in the U.S.A. * Replaces OEM # 38079-72 * Replaces OEM # 38080-71

* 25% stronger than stock, with easy on the hand lever action (Gold) * Replaces OEM # 37871-90

Clutch Spring-Heavy Duty 25% stronger than stock- recommended for Hi-Performance applications

* 15% stronger than stock for smooth, positive hand lever engagement * Perfect for Hot Street or Strokers * Replaces OEM # 37871-90

* Kit includes gasket (OEM # 36805-06), outer ramp (OEM # 25605-00), inner ramp (OEM # 25604-00), retaining ring (OEM # 10998) and three ramp balls...

* Single tempered steel drive plate * Vibratory polished finish for perfect flatness * Plates sold individually (5 plates are required) * Re-use do...

* Sold Each - 8 Required * Replaces OEM # 37992-71

* Sold Each - 7 Required * .047" thickness * Replaces OEM # 37992-52

* 7 Kevlar friction plates with 6061 T6 aluminum cores * Maximum groove pattern for superior heat dissipation & oil circulation * Replaces OEM ...

* Kevlar Friction Plates - Set of 8 * Purchase Steel Plates Seperatly = B-401-30-047060 x 8 * Purchase Outer Drive Plate Seperatly = B-301-30-10008...

Features & Benefits:- * Includes 8 Kevlar friction plates with tempered steel cores * Maximum groove pattern for excellent heat dissipation &am...

" Extra-Plate" Clutch Kit * Consists of eight steel Kevlar friction plates, ONE (1) steel driven plate and a set of heavy-duty clutch springs. The ...

* Consists of 8 Kevlar Friction Plates, 7 Steel Plates & 4 Heavy Duty Clutch Springs * This kit features our exclusive Kevlar friction materia...

Unlock more power! TorqDrive provides more disks in less space, allowing us to add up to 6 additional frictions disks to the clutch pack over stock...

Unlock more power! TorqDrive provides more disks in less space, allowing us to add up to 6 additional frictions disks to the clutch pack over stock...

RadiusX is a high performance centrifugal auto clutch combining our TorqDrive and EXP technologies. TorqDrive provides more clutch disks in less sp...

Featiures & Benefits:- * Includes 9 Kevlar friction plates * Includes 8 tempered steel drive plates * Pre-set stack height for easy installatio...

Clutch Plate Kit Consists of 8 frictions and 6 steel plates. NOTE: Re-use OEM double steel spring plate. * Replaces OEM # 37910-90 * Replaces OEM #...

* Includes 8 Kevlar friction plates * Includes 6 tempered steel drive plates * Pre-set stack height for easy installation * Re-use OEM double rive...

* Kevlar Extra-Plate Clutch Kit * Consists of nine friction plates and eight steel drive plates. * Adds 12% more surface area to clutch pack. * R...

* Transfers Power More Efficiently. * Less Vibration. * Replaceable 78 Tooth Starter Ring Gear. * One Piece Clutch Basket Is Precision Machined Fro...

* Forged 7075 Hard Anodized Aluminum Precision Machined One Piece Clutch Basket Complete With Ring Gear. * Accepts Stock Replacement Clutch * Made ...

Tech Tips:- * Advanced timing can cause failure of Ring Gear or Pinion Gear teeth & Starter Clutch * Replaces OEM 37707-84, NOT 37702-84 * Does...

* Forged 7075 Hard Anodized Aluminum Precision Machined One Piece Clutch Basket Complete With Ring Gear. * 10 Tooth Pinion Gear Included On 84 Toot...

Features & Benefits:- * Heavy Duty Ring Gear & Matching Pinion Gear Included. * Upgrade on OEM # 37707-98 Tech Tips:- * 66 Teeth on Ring Ge...

* Meets or exceeds factory specs * Suggested Additional Purchase: # BCM-2284, Clutch Hub Circlip * Replaces OEM # 37906-11

Closed belt drive for Softail. Designed for a bolt-in application. Our clutch basket features 12 cylindrical replaceable clutch dogs, which allows...

Our EVO-900S is the drive for people that would like the comfort and reliability of an outboard bearing support. This drive was designed with the s...

INCLUDES: # 8mm drive with BDL clutch # Billet motor plate # All mounting components # All new quiet clutch

Features & Benefits:- * 8mm drive with BDL clutch * Billet motor plate * All mounting components * Also included in this drive kit is BDL's NEW...

2" belt drive fits 1990-2006 Softail models. Also included in this drive kit is BDL's NEW Ball Bearing Clutch system!

Tech Tips:- Designed for stock applications. Increasing the Horsepower & Torque of the engine will severely limit the life of the belt.

Tech Tips:- * Designed for stock applications. Increasing the Horsepower & Torque of the engine will severely limit the life of the belt. * Rep...

* Kit comes with Pinion Gear * Closed belt drive for Softail. Designed for a bolt-in application. Our clutch basket features 12 cylindrical replace...

Features & Benefits:- * Replaces OEM # 39966-80

Diamond-Drives has a reputation for quality chains made to outlast and outperform - helping to push your motorcycle further, reduce costs and exten...

Diamond-Drives has a reputation for quality chains made to outlast and outperform - helping to push your motorcycle further, reduce costs and exten...

Diamond-Drives has a reputation for quality chains made to outlast and outperform - helping to push your motorcycle further, reduce costs and exten...

Vision style Derby Cover from Performance Machine allows you to view the internals of your bike. * Gloss Black with Contrasting Alloy Accents. * Di...

Clutch mount studs for Scorpion Billet clutch assemblies Sold individually

Features & Benefits:- * 25 Teeth OEM Replacement * Replaces OEM # 40308-94

* Replaces OEM # 37872-90

Clutch Hub. Fits Top Fuel & Super Street Drives.

Kit Includes: 020", .030", .050", .075" & .100"

Features & Benefits:- * Case hardened steel for durability. * Fits Big Twin models from 1991 to present. * Can also be used to upgrade the 2-p...