35.7 x 29.5mm valves in plasma-nitrided EN214N s/steel with manganese bronze valve guides. Nominal 21.4cc with by pass and heater take off holes open. This specification of cylinder head, based on brand new twin point injection castings (modified to...

For cars with HIF44 (1.75")carbs this kit includes a modified large inlet valve gas flowed head -1.5 rockers, gaskets, plugs, K&N air filter element, and a twin rear box silencer.

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 Widely available performance valve springs were outdated overnight, as it became necessary to reduce spring crush.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...

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...

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.

This plug fits our inlet manifolds and Rover types with servo take off holes..

5/8 UNF grub screw that use 8mm allen key for blanking inlet servo take off or temp transmitter hole at front of pre 1996 cylinder heads. Can also use ADP210

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...

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-...

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...

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...

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...

This thermostat housing fitting kit, suitable for all single tier thermostat housings. Comes with new studs, nuts, washers and Klinger thermostat housing gasket

Standard Copper head gasket for 1275 engines, copper side faces up.



For tuned engines we recommend GEG300 or GUG702560HG

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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Chrome Rocker bolt with UNF thread. Original Rocker cover bolts are dull zinc coated or painted but the chrome type look much better and cheaper.

A longer threaded version CAM6823 was used on prestige Minifin alloy type A series...

A simple way to dress up that engine compartment while at the same time insuring all the proper hardware is in place. A kit includes 2 each of British made chrome sleeve nuts, spacers and special cup washers, Fits all A & B series engines.

F...