Cummins 5.9 Stock Replacement Manifold – Motorhome – 12 valve manifold / 3rd gen style

This Steed Speed manifold has the 12 valve square ports in a 3rd gen style (down and out between cylinders 4-5) orientation.

It can be flipped also for a forward/ upward outlet orientation between cylinders 2-3

A good option if stuck for space on conversion – popular Ford / Cummins conversion manifold

The best performing manifold on the market.

Constructed from CNC machined billet steel components, tig welded and ceramic coated for durability and reduced heat.

This manifold is dyno proven to outperform every competitor and has seen gains of 80HP at 2000 RPM over the stock factory manifold on a 350HP motor.

This manifold is also available with a T4 turbo flange for those who wish to upgrade their turbo.