Standard brass manifold nut. You will probably want a mix of these and the longer 51K1177 to secure your intake/exhaust manifold. This nut 5/16" long whereas 51K1177 is 1"long.

The intake/exhaust manifold should be secured to the head with brass nuts and these very thick washers. These washers are intended to not only spread the clamping action but the thickness allows them to absorb the heat without deforming! Takes 4 per ...

Manifold stud 39mm long for all A series engines up to injection which use LYR10028 which is 6mm longer at 45mm.

Spring seat shims (set of 4), 0.020" thick (0.5mm).

Spacer shims to increase valve seat pressure and overall spring rate.

These were also used on all the 8 port head valve seats to prtect the alloy seats from wear. (8 port now C-AHT...

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...

Exhaust manifold to downpipe clamp. For 32mm o/d pipe size.

The key to eliminating exhaust leaks at the manifold flange is the clamp. These cast clamps are the best style to use. A real piece of kit to use eradicating a multitude of likely p...

Set of strong lightweight titanium top caps to suit our valve springs C-AEA526/527 hard for single collet competition valves. Sold as a set of 8.

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...

Minispares own stainless steel Thermostat housing stud kit for the single tier type thermostat housing.Quantity required one kit per car

This is the clamp on the cooper freeflow manifold to clamp it to the engine for extra support, supplied with tag.

Injection models-Standard bore Budget priced LCB (1-3/4"id).

With pre cast flanges to improve flow and save engine tuners time matching the ports. This is for injection type cars only because it has a sensor hole. The Long Centre Branch des...

A true Cooper S engine has 10 studs and one specially designed bolt.

Spacers for under the rocker pedestals are used mainly by engine tuners to allow tappet adjustment to be made where cylinder head mods have been carried out. 1.3mm/0.0512" thick, this can be used to hold locating screw on rocker post assembly but the...