Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Tiger they are different lengths to

they are different lengths to accommodate US & UK spec bars

The Veglia speedo drive mounts on the left side next to your sprocket while the Smiths mounts on the opposite side

Just as good if not better then the originals one out there

Inner Cable Measures 47" in length & Outer Casing is 43"

Well this is Exactly you need

Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Tiger they are different lengths toWe are now stocking a new Hepolite valve spring kit for early Triumph pre unit twins that feature a "cast iron head". This is a new quality spring kit ready to be installed 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 1956. Please refer to your parts catalog for proper fitment. Please note that our valve springs are sold in a set as pictured