Modern high lift, short duration camshafts have posed quite a few problems for the general public in recent years. Widely available performance valve springs were outdated overnight, as it became necessary to reduce spring crush. This, in turn, cause...

New colour, PB104 bronze guides.Although Silicon bronze valve guides were used for their extremely good wear values, they were very hard and not user friendly when fitting. These valve guides are recommended when using all EN21 4N stainless steel val...

Mini Spares large valve alloy race ported and flowed head with race quality valves with special beryllium valve seats and special colisbro guides similar to those used on 8 port.

Casting shape and profile is based on the 12G1805 "S" 940 cast...

Very Hi spec all new alloy 5 port super gas flowing head. Outright sale to save you the risk of loosing £240 on exchange schemes where old heads are traded in and where faults can be found, especially by some companies.





C...

Spring seat shims (set of 4), 0.020" thick (0.5mm).

Spacer shims to increase valve seat pressure and overall spring rate.

These were also used on all the 8 port head valve seats to prtect the alloy seats from wear. (8 port now C-AHT...

New competition valve cotter, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.

These locate better in the valves and easier to control spring heights.

Genuine Mini Spares valve stem oil seal manufactured with original Dupont Viton, as fitted to the twin points engines, are the best material and seal you can use and although expensive are the best to date in stopping the engine smoking.

Man...

Originally fitted to Minifin rocker covers as standard Rover equipment, it will also fit almost every other rocker cover including our FP26 range and Minispares alloy covers. This improved cap has a large grip and an improved lock system...

Sold individually.

To help rocker pad to valve stem alignment and reduce friction, the standard springs can be replaced with solid spacers and correctb shim set. The spacers and shim kit are sold as C-AEG392.

Genuine version of the thermostat gasket for all A series. Black one side and red the other they are fitted black side to the head. Green to the thermostat.

We have no evidence as yet that they last longer but do look good.

See [lin...

Early Large cotter groove exhaust valve. Most small bore engines seem particularly prone to burning valves, it is highly recommended to replace the exhaust valves when you do a valve job! This 1.0" valve fits most early 948cc, 998cc and 1098cc engine...

1.402" (35.6mm) dia x 3.57" long intake valve.

Our race valves are produced in EN214N steel and are stellite tipped and use the latest triple collet groove and current valve head shapes, plasma heat treated for eradicating unleaded petrol we...

1.311" (33.3mm) dia x 3.57 long intake valve.


Our race valves are produced in EN214N steel and rquire Manganese/Silicon bronze alloy valve guides. use the later narrow, single collet groove and current valve head shapes.


As ...