New Parts

Forged Pistons

Distributor Shafts

For all V-Twins pre1938 or 1938-53. Correct firing on both cylinders. Case-hardened ground steel.

Race proof German Mahle pistons for 45cui Scout motors;
available for STD compression ratio.

Cam Gears

Roller Cages, Crankpin

Bonneville Scout Cam gears are interchangeable with original gears - need Bonneville lifters, which are another currrent project.

Special heat treat process like on original cages.

Kicker Crank Stop

Chief Piston Rings

These rings are made in Germany and our recommended substitute for everybody who has had troubles with soft rings. No modifications on pistons required.

Made of spring steel, heat treated.
With reinforcing plate. Chiefs.