£1,204.20 exc vat
£1,445.04 inc vat
In stock
See C-AHT135 for a road going version.
Some companies call this a stage 3 head but our way of thinking similar to original Special Tuning is as follows-for 1275 head
Stage1 has 33mm inlet 29mm exhaust std valve sizes and gas flowed
Stage2 has 35.6mm x 29mm ex road quality valves and ported to Road Sport spec
Stage3 has 35.7mm x 29mm ex race quality valves to Super Sport/Grand Tourer spec
Stage4 as stage 3 but with either larger inlet or exhasut valves and more modified throat and port work.
For real race use ask our technical staff at York or Potters Bar.
£1,204.20 exc vat
£1,445.04 inc vat
In stockRecommended usage 1 x MSE9 to fit one mini.
Complete stud, nut and washer kit for the cylinder head ancillaries. Kit contains parts to retain the following:
Inlet/Exhaust manifold to head, studs/nuts/washers
Thermostat housing (no sandwich plate) studs/nuts/washers
H...
35.6 x 29.3mm valves in chrome stem with cast iron valve guides. This specification of cylinder head, based on used core castings, is modified in true Road sport style to maximise on-road performance for those wanting maximised drive-ability when ...
Top cap for all A Plus valves with the triple groove collets. Metro from 1984 on and mini 1275 from 1990
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 Widely available performance valve springs were outdated overnight, as it became necessary to reduce spring crush.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...
Hardened unleaded valve seats for 1.15" 1275 exhaust valves.
Require a recess of 1.2495"(31.737mm) diameter, plus or minus 0.0005" (0.013mm), and 0.250"(6.35m) deep at ambient temperature of 20C.
As an engine wears, the clearance between the valve stem and guide increases; as this gets beyond tolerances the car will tend to smoke under deceleration (when you take your foot off the throttle). Good valve stem seals will allow for greater wear b...
1.158" (29.4) dia exhaust valve for 12G940 casting.
Our race valves are produced in EN214N stainless steel and require Manganese/Silicon bronze alloy valve guides. They are stellite tipped and have the triple collet groove and c...
This is the longer type cylinder head adaptor tube which allows fitment of the by pass hose without removing the head. The shortened hose GZA2083 slides up the tube and then back down on the water pump tube. Frequently rusted on old head...
By pass hose plug. Frequently rusted on old heads and not even there on newer heads. These are 5/8" x 16tpi "whitworth fine" thread.
Very useful for head changes where by pass hose is not required.
Collet for the 3 groove valve. Sold per half and 2 required per valve.
These cotters go with AHU1897 top cap. On Turbo heads after engine number 102641 were fitted on the inlet only.
All early 850/997/998/1098cc heads u...
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...
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...
ARP Head stud kit that compromises of;
4 x Long Head Studs
7 x Short Head Studs (Disregard 2 if you're using a 9 stud application)
11 x Multipoint ARP nuts
11 x Heavy Duty Washers
4 x Rocker post studs <...
3 layer steel head gasket especially suitable for full race engines up to 73.5mm
bore where it has larger bore holes and considered the ultimate head gasket.
Especially recommended for 8 port heads as it has no fire/compression ring...
Complete stud, nut and washer kit for the cylinder head ancillaries. Kit contains parts to retain the following:
Inlet/Exhaust manifold to head, studs/nuts/washers
Thermostat housing (no sandwich plate) studs/nuts/washers
H...
Made especially for turbos to stop leakage and heat problems this gasket has metal ring retainer inserts on the exhaust ports. Sold singularly.
Collet for the 3 groove valve. Sold per half and 2 required per valve.
These cotters go with AHU1897 top cap. On Turbo heads after engine number 102641 were fitted on the inlet only.
All early 850/997/998/1098cc heads u...
Forget all the universal shape gaskets available - this is the original correct shape made out of thick gasket paper.
This is the standard size valve with triple groove collets for A plus 1275cc
heads and 3.59 long. If you want the next size up use the TAM1059.
Price per rod-1275cc larger 6.35mm diameter push rod. Sold per single rod and 8 required per engine.
The larger diameter improves push rod rigidity as much as possible
without having to modify the block/head push rod ports. Thi...
Favoured by proffessionals for press fitting pistons, pre lubing bushes, roller and plain bearings, journals and gears. Prevents scuffing, seizure, wear, rust. Waterproof and corrosion proof.
Genuine Mini Spares Original black timing cover oil seal for all A series until the introduction of a new type of lip seal introduced in 1991 mainly for injection engines, when they changed to LUF10006--albeit many owners fit this not kn...
We have teamed up with Bill Richards Racing to produce a new range of built up short engines ready to drop in. These engines are as fast and as powerful as you can get, whilst still keeping the on road driveability and a reasonable MPG figure.
<...
Standard cast duplex gear set from the original AE supplier. for road use only.
Found to be the best fitting in Mini Mag feature Autumn 2007.
Driving the cam and controlling the timing relationships between the cam and the crank i...
Mini Spares own Universal gasket set.
This engine block gasket set fits all manual blocks and include rubber tappet chest covers and bolt seals, also including A plus and Pre A Plus timing gear and cover gaskets. For the equivalent gasket se...
Gasket that fits the closed circuit breather fitted on the clutch housing.
Some cars have breathers and some don't, some have a metal canister and others had a plastic type which is obsolete.
The ultimate cam follower with oil hole, designed to minimise float and jump normally seen in original cam followers, which ultimately loses power. Precision ground outside diameter with smaller chamfered base to give more surface area for extra hi l...
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