Big-Twin Performance Extra Plate Kits

HIGH PERFORMANCE EXTRA PLATE KIT for 1941-1984 Big-Twin. Includes 6 race proven material friction plates with 6061 T6 aluminum cores (read more)

HIGH PERFORMANCE EXTRA PLATE KIT for 1941-1984 Big-Twin. Includes 6 race proven material friction plates with 6061 T6 aluminum cores & 5 tempered steel drive plates. Also included are 10 ZERO CRUSH coil type clutch springs. Stack height is pre-set for easy, accurate installation (run wet or dry.) 20% MORE SURFACE AREA THAN STOCK. (hide)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates (read more)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates on tempered steel cores. Starburst groove pattern for maximum heat dissipation & oil circulation. Included are 8 tempered steel drive plates. Pre-set stack height for easy installation. 15% more clutch area for high performance strokers. Remove OEM rivet plate! DOES NOT INCLUDE SPRING. Use BT-15 Diaphragm clutch spring.


15% MORE SURFACE AREA THAN STOCK.

NOTE: YOU DO NEED A DIAPHRAGM CLUTCH SPRING COMPRESSION TOOL TO REMOVE THIS CLUTHC. SEE OUR PART NO. CT-100 (hide)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates (read more)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates on tempered steel cores. Starburst groove pattern for maximum heat dissipation & oil circulation. Included are 8 tempered steel drive plates. Pre-set stack height for easy installation. 15% more clutch area for high performance strokers. Remove OEM rivet plate! Includes new diaphragm clutch spring 15% stronger than stock.

15% MORE SURFACE AREA THAN STOCK.

NOTE: YOU DO NEED A DIAPHRAGM CLUTCH SPRING COMPRESSION TOOL TO REMOVE THIS CLUTHC. SEE OUR PART NO. CT-100 (hide)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates (read more)

HIGH PERFORMANCE EXTRA PLATE KIT 1990-97 Big-Twin & 1991 to Present Sportster (XL). Includes 9 race proven material friction plates on tempered steel cores. Starburst groove pattern for maximum heat dissipation & oil circulation. Included are 8 tempered steel drive plates. Pre-set stack height for easy installation. 15% more clutch area for high performance strokers. Includes 15% stronger diaphragm spring. Remove OEM rivet plate! 15% MORE SURFACE AREA THAN STOCK. This Combo also includes our new Clutch Compression Tool. You Save $8.99 when you purchase these together! (hide)

High Performance Extra Plate Kit - 1998 - 2017 Big-Twin & Twin Cam Models. Includes 10 race proven material friction plates on 6061 (read more)

High Performance Extra Plate Kit - 1998 - 2017 Big-Twin & Twin Cam Models. Includes 10 race proven material friction plates on 6061 T6 aluminum cores and 9 tempered steel drive. Pre-measured stack height for easy, accurate installation. Perfect for Hot Street or Strokers! 11% MORE SURFACE AREA THAN STOCK. DOES NOT INCLUDE DIAPHRAGM CLUTCH SPRING - Part No. BT-16.
*DOES NOT FIT 2013 and later CVO** (hide)

High Performance Extra Plate Kit - 1998 - 2017 Big-Twin & Twin Cam Models. Includes 10 race proven material friction plates on 6061 (read more)

High Performance Extra Plate Kit - 1998 - 2017 Big-Twin & Twin Cam Models. Includes 10 race proven material friction plates on 6061 T6 aluminum cores, 9 tempered steel drive plates and a 10% stronger than stock diaphragm spring. Pre-measured stack height for easy, accurate installation. Perfect for Hot Street or Strokers! 11% MORE SURFACE AREA THAN STOCK. Includes performance diaphragm clutch spring - Part No. BT-16.
*DOES NOT FIT 2013 and later CVO** (hide)