Triumph Hepolite Unit 500 piston and ring kitThis Hepolite kit includes everything you need to take your unit 500 cylinder to the next size. Pistons, wrist pins, circlips, and the most modern and the highest quality ring set available today. These Triumph pistons are a replica of the pistons originally fitted as OEM for the 1967 1974 "non squish band" head Daytona 500. Having sold this piston set for years, and using them in our builds, these are an excellent choice for any street or engine, pre

Camshafts with up to

They will also work with any Kibblewhite Triumph spring kit (that does not already include the keepers)

This modern ring design is far superior than one piece designs

These Black Diamond valves are specially made for the 6mm Triumph conversion

Springs become weaker over time and can be a limiting factor in engine rpm and stability

a closer tolerance may be held

Included with the first ever aluminum core reusable 350 and 500 Unit Triumph primary gasket is everything you will need to seal it up

Pre Unit and early Unit engines would use 26TPI

Almost any head gasket can benefit from the sealing properties of Hylomar M

The choke has a threaded adjuster which can be plugged with the 4/137A plug if no choke is desired

4 heat treated steel retainers

spring pressure should be checked and verified on each head