Matchless G50 dyno chart with JSM lightweight piston and bushless Carrillo rod. - JS Motorsport

Products
- Pistons
- Connecting Rods
- Camshafts
- Valves
- Gaskets
Technical
About Us
Pics & Vids
- Photo Gallery
- Videos
Contact

An amazing 57+ HP with 60Nm torque on the first dyno run.

High-performance parts for Norton Twins

jim@jsmotorsport.com

(559) 875-0659

4480 North Academy Ave
Sanger, CA 93657

All Products
Engine
Suspension

About Us
Contact

Technical
Photos
Videos

© 2025 by JS Motorsport