Clutch & Primary Drive

This direct bolt-on replacement slave cylinder reduces the clutch lever pull on Harley-Davidson® Milwaukee-Eight® models by the maximum amount with...

After the enormous success of the Power Clutch, it was only logical to develop a relief also for the hydraulic clutches. The Müller Hydro Clutch ...

This direct bolt-on replacement slave cylinder reduces the clutch lever pull on Harley-Davidson® models by the maximum amount without compromising ...

After the enormous success of the Power Clutch, it was only logical to develop a relief also for the hydraulic clutches. The Müller Hydro Clutch ...

Features:- * Performance Engine Sprocket Kit * No ramps to Break or springs to wear out * Machined from solid steel. * No need for special oiling o...

The Lite Clutch reduces effort required to pull clutch lever by 40%, which lessens rider fatigue and provides smoother, easier clutch action.

The Lite Clutch reduces effort required to pull clutch lever by 40%, which lessens rider fatigue and provides smoother, easier clutch action.

* Chrome Plated. * 4 Hole Derby. * Replaces OEM # 34742-94A * Replaces OEM # 34760-94 * Replaces OEM # 34992-94

* Chrome Plated. * 6 Hole Derby. * Replaces OEM # 34760-04

*Requires the upgraded derby cover gasket CG-C10156 Features & Benefits:- * 5 Hole Derby Cover. * Includes Mounting Bolts. * If you want upgr...

Features & Benefits:- * This Barnett Scorpion Series clear derby cover is designed to fit OEM primary covers on 2007-16 Harley Davidson Big Twi...

Features & Benefits:- * Textured Black Finish * Allows for viewing of internal engine components. * Direct replacement for your stock derby cov...

*Requires the upgraded derby cover gasket CG-C10156 Features & Benefits:- * 5 Hole Derby Cover. * Gold Inlay * Live to Ride family * If you wa...

Features & Benefits:- * Covers are made of 6061 billet aluminum and feature a clear LEXAN window. * They are sealed with an o-ring to prevent ...

Features & Benefits:- * Covers are made of 6061 billet aluminum and feature a clear LEXAN window. * They are sealed with an o-ring to prevent ...

Performance compensator replacement spring. Thicker and stronger than stock. Features a steeper bevel that provides more preload and pressure on th...

Features & Benefits:- * 24 Teeth front compensating sprocket. * Replaces OEM # 40275-83, 40299-83 & 40324-70

Features & Benefits:- * Specialized heat treated and carburized heavy duty aircraft gear material * Machined on a 4-axis mill ensures precision...

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...

* Replaces OEM # 9063

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