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Barnett Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022

Barnett Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022

Original price was: $183.98.Current price is: $131.19.

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Description

Barnett Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022

Barnett Extra Plate Kit: More Surface Area, More Power

The Barnett Extra Plate Clutch Kit is engineered to solve the most common performance bottleneck in the Harley-Davidson primary: limited surface area. Designed for 1990–2022 Big Twin and Sportster models (excluding M8 models with Assist & Slip clutches), this kit re-engineers the clutch stack to provide a massive increase in grip. By fitting an additional friction and steel plate into the same space as your OEM pack, Barnett allows your clutch to hold more power without requiring an excessively stiff pressure plate spring.

Increased Torque Capacity and Heat Management

When you increase your engine’s displacement or add a high-lift cam, the stock clutch is often the first component to fail. The Extra Plate Kit increases the effective friction surface area by over 11%. This extra area spreads the load more evenly and dissipates heat more effectively, which prevents the “glazing” and “fading” that occurs during aggressive riding or heavy-duty towing.

Choose Your Friction Material

Barnett offers this kit in two specialized compounds to match your riding style:

  • Kevlar (Aramid) Fiber: The go-to choice for street performance and longevity. It provides a smooth, linear engagement and is highly resistant to wear, making it perfect for high-mileage touring.
  • Carbon Fiber: Designed for high-heat, high-stress environments. Carbon fiber provides a more aggressive “bite” and is the preferred choice for drag racing or engines producing high horsepower and torque.

Eliminate the “Judder Spring”

Most Barnett Extra Plate Kits are designed to eliminate the OEM “judder” (damper) spring and seat. Replacing these thin, fragile components with full-sized friction and steel plates not only increases the holding power but also creates a more consistent and predictable lever feel, especially when taking off from a stop.

Fitment and Compatibility (1990–2022)

This versatile kit fits a wide range of Harleys with the standard diaphragm-style clutch:

  • Big Twin (1990–2017): Fits Evolution and Twin Cam models (Softail, Dyna, Touring) using the standard clutch basket.
  • Sportster (1991–2022): Fits all XL 883 and 1200 models. (Commonly used to fix the “grenade plate” issue on Sportsters).
  • Note: Not for use on 2017-later Milwaukee-Eight models with “Assist & Slip” clutches or 2013-later CVO models.
Whether you are fixing a slipping Sportster or building a high-torque Twin Cam, the Barnett Extra Plate Clutch Kit provides the American-made reliability you need. It is a “drop-in” performance upgrade that lets you put every bit of power to the ground.

Barnett Extra Plate Clutch Kit For Harley Big Twin / Sportster

Barnett has been offering high-quality, American-made clutch parts since 1948, and these Extra Plate Clutch Kits are no exception! Designed to add additional surface area to your clutch pack, this upgrade will improve the feel and performance of your clutch over your stock parts.Features:

Consists of nine friction plates and eight steel drive platesAdds 12% more surface area to clutch packMade in the USA

Note: Double steel drive plate not used with this kit.

Product Style AmericanV-twin Item Catalog Number Store Sku MFR. Product Availability
Aramid / Kevlar 11880 620-416 8370 307-30-10011 In Stock: Ships within 24 hours
Carbon Fiber 11879 620-413 8372 307-30-20011 In Stock: Ships within 24 hours

Fitment Notes & Exceptions

Fits 1990-1997 Big Twin, 1991-2022 SportsterThis kit eliminates the stock riveted steel plate.

This Product Fits

Harley DavidsonDyna Convertible FXDS 1994, 1995, 1996, 1997Dyna Glide Custom FXDC 1992Dyna Glide Daytona FXDB-D 1992Dyna Glide Sturgis FXDB-S 1991Dyna Low Rider FXDL/I 1993, 1994, 1995, 1996, 1997Dyna Super Glide FXD/I 1995, 1996, 1997Dyna Wide Glide FXDWG/I 1993, 1994, 1995, 1996, 1997Electra Glide Classic FLHTC/I 1990-1997Electra Glide Sport FLHS 1990, 1991, 1992, 1993Electra Glide Standard FLHT/I 1990-1997Electra Glide Ultra Classic FLHTCU/I 1990-1997Low Glide/Low Rider FXRS 1990, 1991, 1992, 1993Low Rider Custom FXLR 1990, 1991, 1992, 1993, 1994Low Rider Sport FXRS-SP 1990, 1991, 1992, 1993Road King FLHR/I 1994, 1995, 1996, 1997Softail Bad Boy Springer FXSTSB 1995, 1996, 1997Softail Custom FXSTC/I 1990-1997Softail Fat Boy FLSTF/I 1990-1997Softail Heritage Classic FLSTC/I 1990-1997Softail Heritage FLST/I 1990Softail Heritage Springer FLSTS/I 1997Softail Nostalgia FLSTN/I 1993Softail Special FLSTN/I 1994, 1995, 1996Softail Springer FXSTS/I 1990-1997Softail Standard FXST/I 1990Sport Glide FXRT 1990, 1991, 1992Sportster Custom XL1200C 1996-2019Sportster Custom XL883C 1998-2009Sportster Deluxe XLH883DLX 1991, 1992Sportster Forty-Eight Special XL1200XS 2018, 2019Sportster Forty-Eight XL1200X 2010-2022Sportster Hugger XLH883HUG 1991-2003Sportster Iron XL1200NS 2018, 2019, 2020, 2021Sportster Iron XL883N 2009-2022Sportster Low/SuperLow XL883L 2005-2019Sportster Low XL1200L 2006-2011Sportster Nightster XL1200N 2007-2012Sportster Roadster XL1200CX 2016, 2017, 2018, 2019, 2020Sportster Roadster XL1200R 2004, 2005, 2006, 2007, 2008Sportster Roadster XL883R 2002-2012Sportster Seventy-Two XL1200V 2012, 2013, 2014, 2015, 2016Sportster Sport XL1200S 1996-2003Sportster SuperLow XL1200T 2014, 2015, 2016, 2017Sportster XL883 2004-2009Sportster XLH1200 1991-2003Sportster XLH883 1991-2003Super Glide FXR 1990, 1991, 1992, 1993, 1994Tour Glide Classic FLTC/I 1990, 1991Tour Glide Ultra Classic FLTCU/I 1990-1996XR1200/XR1200X 2008, 2009, 2010, 2011, 2012

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