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...

Classed as the 29mm exhaust valve for 12G940 or A plus 1275cc heads this uses the single groove collets 88G459. Actually 29.3(1.154") Sold singly.

New competition valve cotter for early heads with the large single groove valve, 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 v...

Set of strong lightweight titanium top caps to suit our valve springs C-AEA526/527 hard for single collet competition valves. Sold as a set of 8.

1.2"(31mm) intake valve for 12G295 Cooper head 998cc. Also a suitable upgrade for other small bore heads. These have the large collet groove 8.65mm (.340") 2A11 cotters which are now available as 2A11EVO. Correct grade exhau...

160lbs on the nose at 400" for standard Cooper S or twin spring set ups. See C-AEA526 and C-AEA527 for later developed springs. These are ok for all standard uses but are improved and uprated over all original factory fitted...

Spacers for under the rocker pedestals are used mainly by engine tuners to allow tappet adjustment to be made where cylinder head mods have been carried out. 1.3mm/0.0512" thick, this can be used to hold locating screw on rocker post assembly but the...

We stock a limited range of Paul Ivey developed Rimflow valves for the A-Series.

30.9mm (1.217") diameter exhauste valve for 12G940 large bore casting is oversized to the stock version. Not only can you pick-up performance from...

Originally marketed by minispares in the mid 70s so many companies copied them because of their smart looks and ease of fitment they were improved by offsetting the arms to help tighten plus stop the arm falling out when they were straight. These T b...

Originally marketed by Minispares in the mid 70s so many companies copied them because of their smart looks and ease of fitment. These have been improved by offsetting the arms to help tighten plus stop the arm falling out when they were straight. Ki...

1.401" dia x 3.52" long intake valves. Our race valves are produced in EN214N steel, stellite tipped and use the later narrow collet groove and current valve head shapes. As it is possible, even common, to swap one head for another on 1275 engines, i...

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...