Tuning & Performance Products

Dyno, Tuning & Diagnostics

Autotrans (Scotland)
Banjax Motorcycles (London)
Big CC Racing (Berkshire)
Blue Flame Exhausts (Merseyside)
BMC Motorcycles (Shropshire)
Brands Hatch Performance (Kent)
BSD Motorcycle Developments (Northants)
Carbon Can Company (Lancashire)
Crescent Motorcycles (Dorset)
Dave Cooper Racing (Northamptonshire)
Double Take Motorcycles (Hampshire)
Dyno-Bike (North Yorkshire)
Dyno-Centre (North Yorkshire)
Dyno-Map Tuning (Devon)
Dynomax UK Limited (Lincolnshire)
Dynospeed Developments (Essex)
FW Developments (Lancashire)
HM Racing (Kent)
Holeshot Racing (West Yorkshire)
JD Motorcycles (Northern Ireland)
Jordan Bikes (West Yorkshire)
Lee Motorcycles (Herefordshire)
Motorcycle World (Northern Ireland)
Motosport Motorcycle Centre (Dorset)
Motrac Racing (Cheshire)
Padgetts (Yorkshire)
PDM Racing (Sussex)
PDQ (Berkshire)
Powerhouse Motorcycles (Kent)
Race Developments (Gloucestershire)
Rhencullen (Leicestershire)
Riders of Bridgewater (Somerset)
Road and Track (Buckinghamshire)
Rocket Centre (Lancashire)
SDC Performance (Hertfordshire)
Seastar Superbikes (Norfolk)
SPR Race Products (Nottinghamshire)
Swinton Motorcycles (South Yorkshire)
Total Traction (Essex)
Wylie & Holland (Shropshire)
X-Bikes (Cambridgeshire) 
YPE Power Limited (Scotland)

Performance Parts

Beowulf Performance Products
Debben Performance
Dymag
Earl's UK
EBC Brakes
Falicon Cranks
Faster By Design
Gilles Tooling
Goodridge
Go to Moto
Hard Racing
Harris Performance UK
Harrison Billet
HEL
HPS
ISR Brakes
JMC Engineering
Kais Performance
LEDgear
Metmachex Engineering
Nitron Racing Shocks
Oberon Performance
P3 Unlimited
Parts Pitstop
PDQ Motorcycle Developments
Performance Motorcycle Parts
Pro-Flo Performance Products
PVM Wheels & Brakes
Renthal
Rizoma Motorcycle Accessories
Speedycom
Talon Engineering
TranAm
TTS Performance
Veypor Motorcycle Intelligence
Wiseco

Engineering & Rebuilds

SEP-Kegworth
Grampian Motors