Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Seventh Regardless of your choice

Regardless of your choice

Please check the measurements for proper fitment

Fits all Triumph T140 & TR7 models from 1973-1977 only

Please use the drop down menu to select which clip you desire - clips are sold each as pictured

Triumph "Cast Iron Head" Pre-Unit Twins Valve Spring Set (1) - 99-3700 Seventh Regardless of your choiceWe 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