Assessment
We assess the level of damage by pressure testing then performing a vacuum test to check the seal between valve and seat. The cylinder head face is checked for distortion and valves removed to check for guide wear and damage.
Engine remanufacturing specialists in Kent
A full range of services from pressure testing to complete remanufacture.

We assess the level of damage by pressure testing then performing a vacuum test to check the seal between valve and seat. The cylinder head face is checked for distortion and valves removed to check for guide wear and damage.
Modus operates a Serdi hot pressure testing facility which submerges the cylinder head in very hot water, offering a quick and inexpensive way to check the casting is sound. We can also pressure test cylinder blocks, turbos, EGR valves and oil coolers.
Our remanufactured cylinder heads are stripped, hot pressure tested and fully cleaned, with valves bead blasted, reseated and guides sleeved with a bronze liner before reassembly with new plugs.
Pressure and vacuum testing to check for damage, distortion and wear.
Stripped, hot pressure tested and cleaned to remove paint, oil, grease and carbon.
Valves bead blasted and reseated, guides sleeved with a bronze liner, seats cut with a 3 angle form tool.
Head face surface ground or fly cut, then reassembled with new core plugs and oil gallery plugs.
Please contact us for a quote.