Timing & speedo gears

Adjustable timing gear sets for all Pre-War Riley engines. Available in  H.T. Steel or Aluminium.

Used by many VSCC race drivers and specialist engine builders.

Priced from £750 to £900 ex-works.

See list below.

L type distributor gear set.

Price £150 ex-works

BTH Bronze gear 9hp.

Price £65 ex-works

Acetal BTH gear £45

Riley Speedo Prop Shaft Drive Gear in Steel.

Also Driven Gear in Acetal.

Price Steel Gear            £95.00 ex-works

Acetal 24t                     £40.00 ex-works

Bronze and Acetal 25t on order.

New Speedo Drive gears for Moss gearbox.

Pre-War or Post-War type.


£150.00 ex-works.

Re-call ...12/6 & 14/6 & 15/6 T type water pump gears.  There is one wrong gear out there with only 20 teeth not 21. If you have bought since september 2018 Please do ckeck if you have the correct water pump drive gear.

Riley 9hp. Mk.V Timing Gears

These are wider than Mk.1V and have a longer idler gear for the large eccentric.

Not as wide as the later Mk.V1 which are also dished on the cam gears to take the distributor drive gear if used.

All Mk. Numbers are covered including Merlin.

See price list. All prices plus shipping.

Timing gear set Prices.


9 hp  Vintage           £750

9hp  Mk.5                £800

9hp  Post Vintage    £850  

9hp Merlin               £ 950 

12/4                          £ 800   


12/6 & 14/6  T          £ 900 

14/6               L          £800

15/6                           £ 900 

Adjustable timing gears for all 9hp, 12/4, L type and T type 6 cylinder and 15/6.    Also  L type distributor gearsets.


Salmson and AC also stocked. These are not adjustable.

Wolseley Hornet 12hp and 14hp skew gear sets soon available. Also sprocket sets and oil pump overhaul with new oversize gears. See Wolseley Spares Page


Salmson Timing gear set. To suit:

S4-61, S4-DA and  S4D.  Engines.

EN40B Nitrided.

Only driven gears left, POA

Bean 2.7ltr Meadows speedometer gear set.

Only one set available.

£175.00  plus postage.

AC 2 ltr. Six gear sets are held ready to finish,in works, to suit crank type.

Price £550 ex-works

Also adjustable Cam sprocket.   £125.00

Pre War Wolseley speedo gears.

EN40b Nitrided 3 start worm 12 teeth driven gear.

£150.00 per pair,  plus postage.

Moss gearbox, speedometer drive gears, for Morgan. 

EN40B Nitride Hardened.

£200.00 per set. plus postage     Driven gear available Separately