New seats and guides.

Also due to the fact someone tried to shoehorn a B50 piston in, the chamber got butchered. Not the end of the world, just a bit more welding.

To save lots of hand finishing we wrote another 3D CNC program to tidy the chamber.

Just a note, our PES 82mm BSA B44 pistons fit a standard chamber and give a 10.5-1 compression ratio using standard castings.

Valve Guide Replacement

Contact Us

To discuss your project or engineering requirements, please contact us by phone on +44(0)1709 894192 or email on pes.sales@btconnect.com.

You can also find us on Facebook at facebook.com/performance-engineering-services

Full contact details can be found on our Contact Us page.