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                 Wide angle
         CYLINDER HEADS



















         STRAIGHT 6





















             ALUMINIUM CYLINDER HEADS             What we design, is what you get     BENEFITS OF OUR HEADS
             Increased investment in CAD software has  - every time.                  • Fully CNC machined chambers
             allowed us to redraw the head in 3D as a  Now the ports are machined with  • Pressure tested water jacket
             solid model, producing all new technical  symmetry and are all identical, not only  • Precision ground, replaceable lead free
             drawings - including fully modelling and  from head to head but each port along  valve seats of the latest high grade material
             drawing the inlet and exhaust ports.              an individual head. This
             We further enhanced this ‘design to                    makes for         • Fully inspected and assembled in-house
             manufacture’ investment philosophy by                   considerably     • CNC ported inlet manifolds match
             including state of the art CAM software.                higher power     seamlessly
             This allowed us to plan the tool paths and             gains and
             write the machining program from a                   balanced
             professionally designated drawing                 performance, with the
             office, not the shop floor, linking these    potential for each engine to
             programs direct to the CNC machine,         give much more consistent
             with a dedicated computer network.        power outputs than ever before.
             Around 1.5 million lines of code        We not only lead the Jaguar and Austin
             will download just to machine         Healey market with this technology, we
             the 12 ports of a straight six       are at the very front of modern engine
             cylinder head with a                 development offering this service to all
             continuous machining time of         makes and types of engine.
             13 hours.                            So whether you require a standard, fast
             2010 saw a huge upgrade to our capabilities  road or full race head, there really is no
             with the acquisition of a brand new CNC  better or more up to date version available
             machining centre.                    on the market today.
             This allowed us to fully machine the inlet  Be sure to buy a Denis Welch Motorsport
             and exhaust ports along their entire length,  original…look for our logo!
             so no more hand gas flowing like the old
             days with its inherent inconsistencies
             making each head liable to variations in
             flow capability – this is now eliminated.










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