ALL PRODUCTS

HEAD MODIFICATIONS

Hoppers Express Cylinder Heads can develop special cylinder heads to perform on street, strip, dirt or water in a one-off design. All modifications are carried out in our modern, state...

MOTORBIKE - SMALL ENGINE SERVICES

Boring & Honing 2 & 4-Stroke Cylinder Sleeving 2 & 4 Stroke Match Porting Full Cylinder Head Reco Shim Grinding Alloy Welding

PRESSURE TESTING

Immersion testing upto 6 times greater than normal operating pressure, to find cracks in head.

SODA & BEAD TESTING

Glass bead blasting is used to clean components thoroughly and to produce a clean surface whilst not contaminate the surface being treated: it does not significantly remove metal and is...

BORING V8 BLOCK

BORING BAR

VAC CHECK VALVES FOR SEALING

SERDI SEAT CUTTING MC 1

NEWEN SEAT CUTTING MACHINE

NEWEN MACHINE 1

NEWEN BB 1

CYLINDER HEAD RECO2

CYLINDER HEAD RECO1

FACING VALVES

MOTORBIKE CYLINDER HEAD

SURFACING& MILLING

For Surface Milling we use the ROTTLER SF0. With its selection of various feeds and speeds, different surfaces can be customised to suit gasket manufacturers' specifications.