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...

Hi spec all new alloy 5 port gas flowed head. Outright sale to save you the risk of losing £240 on exchange schemes where old heads are traded in and where faults are found, especially by some companies.

Speak to York branch for all modifica...

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 Widely available performance valve springs were outdated overnight, as it became necessary to reduce spring crush.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

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 later narrow, single collet groove and current valve head shapes. They are plasma heat treated to eradicate wear ...

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...

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...

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...

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

Contains following; TAM1521 head gasket, inlet/exhaust manifold gasket, rocker cover, heater valve, 2 x thermostat, 3 x HS4 carb to manifold, 6 x HS2 carb to manifold, 2 x HS2 carb to aircleaner, 3 ...

Universal stud made for fitting the HS4/HIF carb to the manifold (except HS6 with alloy spacer on cast one piece manifold which requires CHS2515 (5.8mm longer)) and it also fits the cylinder head to take the thermostat housi...

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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Direct replacement rocker shaft. Fits all except full needle roller types. Far superior to the stock item! ENSURE YOU ALWAYS TIGHTEN DOWN ALL POSTS EQUALLY to eliminate stress fractures on shaft.



Our special "heavy duty" shaft has ...

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 ...

Probably the most changed stud on the mini. This is the length used on every A series engine until the introduction of the sandwich plate when longer ones were required. A stainless steel variety C-STR286 is available which we do recomme...

Forget all the universal shape gaskets available - this is the original correct shape made out of thick gasket paper.