Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Pod Need the Correct Chrome Mounting

Need the Correct Chrome Mounting Screws

M Part number is 97-2125 & 97-2142

The English made 31563 screw-on switch is as close as you will get to OEM

check which side your gear shifter is on and also be aware of your engine capacity size (650 / 750)

This set is the correct plastic type just like the originals

Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Pod Need the Correct Chrome MountingWe 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