35.7 x 29.5mm race quality valves in plasma-nitrided EN214N s/steel with manganese bronze valve guides. Nominal 21.4cc with No by pass or heater take off holes open. This specification of cylinder head, based on MPI castings, is modified to current ...

This kit gives the same power as the C-STN21 but uses forged 1.5 rockers as opposed to alloy roller tipped type and has road spec valves rather than race type. This makes the kit a little cheaper

35.6mm inlet valve in EN52 steel.As it is possible, even common, to swap one head for another on 1275 engines, it is quite easy to become confused or worse yet confuse the parts-guy when it is time to order new valves. Be aware that if the head has b...

Top cap for all A Plus valves with the triple groove collets. Metro from 1984 on and mini 1275 from 1990

That tell tale puff of blue smoke when you first start is an indicator of worn guides or seals. Valve guides should be replaced with every valve job.

Sold individually, these are the original quality Cooper S guides for use in any head espec...

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...

This kit of head studs is the best available for road and lightly tuned engines. See the C-AHT280 set for highly tuned engines.

The material spec is alloy steel heat treated to 75 tensile tons per square foot minimum and finish...

Hi-Lift forged rockers on our special rocker shaft with AEG167 adjuster screws for road or race.

Ensure posts are equally tightened down to eliminate stress fractures on shaft.

Using 1.5 ratio high lift rockers has alm...

Upgraded rocker cover gasket made in silicon, ideal for race cars etc where the rocker cover is removed on a regular basis. Mini Spares fitted one on their 1380cc engine road car in August 2014 with great results. Rarely you may require longer rocker...

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...

Special reinforced gasket for injection cars has metal inserts on exhaust ports plus a metal back on the manifold side which makes surface easier to clean when replacing. Often used on Turbo cars when correct gasket is in short supply.


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Genuine Mini Spares part- 1.5 Hi Lift Roller-tip rocker assembly for 1275cc with gold anodised steel posts.

These extra high-spec alloy Purple rockers were introduced in 1998 to give push rods a better clearance on A Plus heads.

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Payen,stamped BK450, original standard composite reinforced gasket used on all large bore engines by Rover including Metro and MG Turbo and is an exceptionally good gasket.

Asbestos free with copper type sealing rings. Compressed volume is ...

Special thin type clip for fitting the water by pass hose between the water pump and the cylinder head. Most ordinary jubilee clips will not fit the tight area where the hose fits. Also used on C-AHH8537 oil cooler hose.

Payen stamped AF470, Standard composite reinforced gasket used on all large bore engines by Rover is an exceptionally good gasket. Asbestos free with special black sealing ring for the oil feed. Compressed volume is 4cc. This MINI head gasket has in ...

Only a few parts in this kit but thats all you need for the twinpoint engine headset with the latest head gasket and correct manifold gasket.