Cylinder Head Shop (CHS) has been a leading name in specialist cylinder-head engineering since 1988. Based in Louth, Lincolnshire, CHS has built a strong national and international reputation for precision cylinder-head work across both classic and modern motorcycles and cars.
Originally established to meet the demand for valve-seat conversions following the switch from leaded to unleaded petrol, CHS has steadily expanded its capabilities. The workshop invested early in world-class French Serdi machinery, enabling an advanced level of accuracy and finish that quickly set it apart. Today, CHS remains one of the few UK engineering shops capable of offering race-grade cylinder-head porting, machining, and optimisation for almost any engine, from early-vintage units to contemporary high-performance heads.

Services include motorcycle cylinder-head porting and flow optimisation, classic and modern motorcar cylinder-head engineering, precision valve-seat work, and full cylinder-head reconditioning for restoration or performance improvement. With decades of hands-on experience and specialist tooling rarely found outside top-tier racing workshops, CHS can rework around 95% of both old and modern cylinder heads to a significantly improved specification.
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The business has attracted customers from around the world, including Japan, the USA, Australia, Russia and across Europe, thanks to its consistent quality, technical knowledge and ability to resurrect rare, damaged or obsolete cylinder heads. For restorers and performance-minded riders, CHS offers a highly specialised service at a time when traditional engine-machining expertise is becoming increasingly rare.

Motorcycle enthusiasts will recognise the value of a workshop dedicated to authenticity, engineering accuracy and performance. Whether maintaining period originality or achieving smoother, more efficient airflow, The Cylinder Head Shop provides a trusted, long-established resource for anyone restoring or upgrading a classic motorcycle.
The Original Cylinder Head Shop
Address
Old Mill House, Willerton Road, North Somercotes, Louth, Lincolnshire, LN11 7NH
Landline
01507 357194
Mobile & Text
07810 273600
Email: [email protected]


