English Made Triumph & BSA Twins Billet Alloy "4 Spring" Clutch Pressure Plate. If your Rebuilding your Clutch and looking to add some "Upgrades", then this is Exactly what you need! Not only does it look Cool... but it does Serve a Purpose! Made of Solid Billet Alloy which means its Stronger & Lighter then your Stock / O.E.M. Steel Pressure Plate! Even features a wider surface area to prevent Clutch "Slip" and to help keep the Clutch Plates "True"! Accepts your Original Clutch Cups & Springs but must use the Later 24 TPI (UNF) Thread Adjuster & Nut (See Below)! Fits Triumph Pre-Unit 350, 500 & 650 Twins (T110, T120, 6T, 5T, 3T, Etc) up to 1962. Fits Triumph Unit 350 & 500 Twins (3TA, 5TA, Twenty-One, T100A, T100SC, T100SR, Etc) from 1957-1962. Fits BSA 500 & 650 Unit Twins (Lightning, Thunderbolt, Rocket, Royal Star, Star, Etc) with the correct "4 Spring" clutch from 1962-1965. Also fits various BSA "Pre-Unit" Twins & Singles with the "4 Spring" Clutch. Please refer to your parts catalog for proper fitment.
*****Please note that this Pressure Plate is only compatible with models with the "4 Spring" Clutch!*****
•Made in the UK
•O.E.M Part number is 57-1466, T1466, 42-3173 or 68-3226