Triumph Pre-Unit Twins Valve Spring Set 99-3700 350 500 650 T110 3T 5T 6T T120

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  • Regular price $ 39.95
  • 5 available

*In Stock & Ready To Ship!* Brand New Top Quality English Made Triumph Pre-Unit Twins Complete Valve Spring Set. This is a great quality and an affordable set as what you would expect from English made parts! Made to the stock specifications as the originals! Don't settle for worn out valve springs! Do your rebuild the correct way, the first time! Fits Triumph 350 & 500 Pre-Unit Twins from 1952-1956. Also fits Triumph 650 Pre-Unit Twins (Thunderbird, 6T, Bonneville, T120, Tiger, TR6 & T110) from 1952-1962 with the "Cast Iron" Head & "Delta" Alloy Head. Please refer to your parts catalog for proper fitment.
*****Please note that this valve Spring set is only compatible with the models abouve the correct Cylinder Head! Not compatible with any "Unit Construction" model!*****
•Made in the UK
•O.E.M Part number is 99-3700, 70-1487 & 70-1488