Camshafts
   Q42H
   Q38H
   Q420
   Q450V 

Cam Followers
   Standard hydraulic followers
   Single piece solid followers
   Solid followers inserts
   'Top Hat' shims

Cam Belts
   Early and Late Type

Head Bolts
   Early and Late Type
   Studs and nuts

Valves
   Standard valves
   QED Hi-Flo valves
   Oversized valves
   Narrow stem valves

Colsibro Bronze Valve Guides

Valve Springs
   OE standard, early
   OE standard, late
   Race springs

Valve Spring Platforms
   Early and late type

Vernier Cam Pulleys
   Early and late type

Forged Pistons
   86mm - 88mm
   Flat top
   Race
   Slipper

Crankshafts
   Standard
   Steel, EN40B
   Steel, 94mm stroke

Steel Con Rods

Heavy Duty Con Rod Bolts

Main Bearings
   Standard and oversize

End Bearings
   Standard and oversize

Aluminium Alloy Block

Flywheels
   Standard
   Ultralight, for 5½" clutch
   Heavy duty flywheel bolts

Clutches
   Standard pattern 1" x 23 spline
   Heavy duty

Lubrication
   Oil filter
   Oil pump, standard
   Oil pump inner gear, steel
   QED Shallow sump
   Dry sump system
   Oil cooler

Gaskets
   Trilam head gasket
   Head gasket set
   Bottom gasket set
   Cam cover gasket
   Exhaust manifold gasket
   Inlet manifold gasket
   Cam seals
   Oil Seals

Ignition
   Magnecor HT leads
   Spark plugs - road/competition/race
   Twin coil ignition pack
   Distributor blanking kit

Engine Management
   DTAfast engine management
   Engine sensors

Induction
   Weber Carbs
   DCOE throttle bodies
   Direct to head throttle bodies

Air Filters