Twin Power Clutch Shell For Harley Big Twin 2006-2010
Twin Power Clutch Shell: Precision Engineered for the 6-Speed Twin Cam
The Twin Power Clutch Shell is a high-performance replacement component designed specifically for 2006–2010 Harley-Davidson Big Twins. This era marked the introduction of the 6-speed transmission and the refined primary drive system. Over time, high-torque loads and frequent shifting can cause the “fingers” of the stock aluminum shell to become notched, leading to clutch drag and poor shift quality. Twin Power provides a robust, steel-bodied solution that restores the factory-spec performance of your primary.
Heavy-Duty Steel & Ring Gear Integrity
Unlike some lightweight alternatives, the Twin Power shell is manufactured from high-grade cast steel to ensure maximum rigidity under load. It includes a pre-installed, heat-treated starter ring gear. The teeth on this gear are precision-cut to match the 2006-later starter pinion engagement perfectly, preventing the expensive damage and “starter kickback” common with worn or inferior shells.
Eliminate Clutch Drag and Hanging
A common issue with aging Harleys is a clutch that “creeps” at stoplights or is difficult to shift into neutral. This is often caused by friction plates digging into the clutch shell. The Twin Power shell features precision-machined plate channels that provide a smooth, hard surface. This allows the clutch pack to expand and contract freely, ensuring a crisp disengagement every time you pull the lever.
Direct OEM Replacement
This unit is engineered to be a “bolt-in” replacement for Harley-Davidson Part #37813-06A. It is designed to house the stock clutch hub, bearing, and diaphragm spring assembly perfectly. Whether you are performing a standard repair or prepping your drivetrain for a Stage II cam upgrade, this shell provides a reliable foundation that meets or exceeds original equipment standards.
Fitment and Compatibility (2006–2010)
This clutch shell is designed for the first generation of 6-speed Big Twin models:
- Dyna: 2006–2010 (The first models to receive the 6-speed transmission).
- Softail: 2007–2010 (Heritage, Fat Boy, Night Train, Deluxe, etc.).
- Touring: 2007–2010 (Street Glide, Road King, Road Glide, Electra Glide).
- Compatibility: Designed for use with the standard 102-tooth primary chain setup and factory-style starter motors.
Twin Power Clutch Shell For Harley Big Twin
Features:
Exact reproduction of the OEM clutch shell
Features hardened components
Replaces OEM 37813-06A
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Twin Power Clutch Shell For Harley Big Twin 2006-2010 | 67553 | 100-2176 | 7714 | 148400/489619 | In Stock: Ships next business day |
Fitment Notes & Exceptions
Fits 2006-2010 Dyna, 2007-2010 Touring / Softail
This Product Fits
Harley Davidson
Dyna Fat Bob CVO/SE FXDFSE 2009, 2010
Dyna Fat Bob FXDF 2008, 2009, 2010
Dyna Low Rider FXDL/I 2006, 2007, 2008, 2009
Dyna Street Bob FXDB/I 2006, 2007, 2008, 2009, 2010
Dyna Super Glide Custom FXDC/I 2006, 2007, 2008, 2009, 2010
Dyna Super Glide CVO/SE FXDSE 2007
Dyna Super Glide CVO/SE FXDSE2 2008
Dyna Super Glide FXD/I 2006, 2007, 2008, 2009, 2010
Dyna Wide Glide FXDWG/I 2006, 2007, 2008, 2010
Electra Glide Classic FLHTC/I 2007, 2008, 2009, 2010
Electra Glide Standard FLHT/I 2007, 2008, 2009
Electra Glide Ultra Classic FLHTCU/I 2007, 2008, 2009, 2010
Electra Glide Ultra Limited FLHTK 2010
Road Glide Custom FLTRX 2010
Road Glide CVO/SE FLTRSE3 2009
Road Glide FLTR/I 2007, 2008, 2009
Road King Classic FLHRC/I 2007, 2008, 2009, 2010
Road King Custom FLHRS/I 2007
Road King CVO/SE FLHRSE3 2007
Road King CVO/SE FLHRSE4 2008
Road King FLHR/I 2007, 2008, 2009, 2010
Softail Convertible CVO/SE FLSTSE 2010
Softail Cross Bones Springer FLSTSB 2008, 2009, 2010
Softail Custom FXSTC/I 2007, 2008, 2009, 2010
Softail Deluxe FLSTN/I 2007, 2008, 2009, 2010
Softail Deuce FXSTD/I 2007
Softail Fat Boy FLSTF/I 2007, 2008, 2009, 2010
Softail Fat Boy Lo FLSTFB 2010
Softail Heritage Classic FLSTC/I 2007, 2008, 2009, 2010
Softail Night Train FXSTB/I 2007, 2008, 2009
Softail Rocker C FXCWC 2007, 2008, 2009, 2010
Softail Rocker FXCW 2008, 2009, 2010
Softail Springer Classic FLSTSC/I 2007
Softail Springer CVO/SE FXSTSSE 2007
Softail Springer CVO/SE FXSTSSE2 2008
Softail Springer CVO/SE FXSTSSE3 2009
Softail Standard FXST/I 2007, 2008, 2009, 2010
Street Glide CVO/SE FLHXSE 2010
Street Glide FLHX/I 2007, 2008, 2009, 2010
Street Glide Trike FLHXXX 2010
Tri Glide Ultra Classic FLHTCUTG 2009, 2010
Ultra Classic Electra Glide CVO/SE FLHTCUSE2 2007
Ultra Classic Electra Glide CVO/SE FLHTCUSE3 2008
Ultra Classic Electra Glide CVO/SE FLHTCUSE4 2009
Ultra Classic Electra Glide CVO/SE FLHTCUSE5 2010
