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...

24.5-25.5cc combustion chamber for use with flat top pistons. This specification of cylinder head is the only modified version for the small-bore based engines Mini Spares supply as it is judged to be the only one worth up-grading to. Based on used c...

Triple groove collets for small bore. 1.043" (26.5mm) Dia x 3.44"(26.5mm) exhaust valve for all small bore castings.

Our race valves are produced in EN214N steel and require Manganese/Silicon bronze alloy valve guides. They are stellite tipp...

Triple collet groove for small bore engines.

The stock intake valves for the 948/998/1098cc cylinder heads are 1.06" or 1.15", if you want better performance you need bigger valves. Our special 1.218" intake valves will fit all small bore he...

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...

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...

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...

EN24 Nickel Chrome moly steel studs, Competition head stud kit (11 studs, nuts & washers.) 4 long and 7 short.

This special kit was developed to replace the increasingly inconsistent standard items. The studs are manufactured in selected hi-...

EN24 Nickel Chrome moly steel studs,Competition head stud kit.

torque to 45ftlbs -no need to re-torque cometic type head gaskets.

For use on the 2012 onwards heads only.

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...

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...

Minispares universal head kit includes a top quality GEG302 copper head gasket, valve cover gasket, manifold gasket, thermostat gasket,heater tap gasket,2x thermostat gasket 6x HS2 carb gaskets,3xHS4 carb gaskets,2x air clea...

Minispares universal super value head kit includes a head gasket, valve cover gasket, manifold gasket, thermostat gasket, heater tap gasket, 2x thermostat gasket, 6x HS2 carb gaskets, 3x HS4 carb gaskets,2x air cleaner to ca...

Unlike polished covers, these black powder coated aluminum valve covers don't get that dingy look; simply wipe them and they're clean. (Fins and Mini Spares logo remain cast aluminum finish) And they're made to clear our hi-lift rockers. Available ...

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...