The trademark "Hepolite" is owned by Wassell Limited
New Production Hepolite BSA Unit 650 Twins Stainless Steel Exhaust Valve. If your performing a Rebuild or Simply a Top End Job, using the Highest Quality Valves or any Component is a Must. New Hepolite Valves Retain the Original Spec Design, but are now composed of Superior Materials to Bring you Valves Far better then any O.E.M. or NOS types on the Market. Fits BSA A65 650 Twins (Lightning, Thunderbolt, Spitfire, Firebird Scrambler, Etc) from 1966-1972 only. Please refer to your parts catalog for proper fitment.
*****Please note that this Exhaust 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: 1.410"
-Stem Diameter: .310"
-Overall Length: 3.555"
•Made in the UK
•O.E.M Part number is 68-0663 or V254