The trademark "Hepolite" is owned by Wassell Limited
Genuine New Production English Made Hepolite Triumph Pre-Unit & Unit Twins Stainless Steel Exhaust Valve Set. This is a top quality English made Exhaust valve set. Fits Triumph 650 Pre-Unit Twins (Bonneville, 6T, Thunderbird, T110, T120 & TR6) from 1958-1962 equipped with the Alloy "Delta Head". Also fits Triumph 650 Unit Twins (Tiger, TR6, 6T & Thunderbird) only from 1963-1966 with the correct head! Please refer to your parts catalog for proper fitment
.
*****Please note that this valve set is only correct with the models abouve with the correct cylinder head! Check your cylinder head and part numbers to ensure proper and correct fitment.*****
Exhaust specs
-Head Diameter: 1.343"
-Stem Diameter: .310"
-Overall Length: 3.750"
-Head Diameter: 1.343"
-Stem Diameter: .310"
-Overall Length: 3.750"
•Made in the UK
•O.E.M Part number is 70-3927, E3927 or V138