The JAP Short Four Speedway Engine

Speedway Workshop

Featured Pages
Supercharged Singles
Dunelt 500cc Two-Stroke

Sammy Miller's Ariel
GON-786 HT5 Trials
HT5 Ariel

Matchless OHC Racers
Collier's Overhead Cam Single 1923-1929
Matchless OHC 1920s

Ducati Gowanloch
Parts and Service for Bevel and Belt Drive Ducati. Huge stocks - Worldwide delivery. Est. 1977.

The 1932 Left Hand Carb

Short 4/Horizontal Inlet Port

Open Valves/Single Feed Oil Pump