The trademark "Hepolite" is owned by Wasell Limited
Genuine New Production English Made Hepolite BSA Stainless Steel Intake Valve. Fits BSA A50 500 Unit Twins (Royal Star & Cyclone) from 1966-1970 only. Also fits BSA & Triumph "Square Barrel Heads" (T25SS, T25T, C25, B25, TR25W Trophy, B25SS, Etc) from 1967-1971. Please refer to your parts catalog for proper fitment.
*****Please note that this Intake Valve is only Compatible with the Models that are listed abouve! Make sure you have the correct Cylinder Head to suit this Valve!*****
-Head Diameter: 1.453"
-Stem Diameter: .310"
-Stem Length: 3.677"
•Made in the UK
•O.E.M Part number is 68-0661, V255 or 70-8112