Showing 61 to 76 of 76

We stock a limited range of Paul Ivey developed Rimflow valves for the A-Series.

30.9mm (1.217") diameter exhauste valve for 12G940 large bore casting is oversized to the stock version. Not only can you pick-up performance from...

Early Large cotter groove exhaust valve. Most small bore engines seem particularly prone to burning valves, it is highly recommended to replace the exhaust valves when you do a valve job! This 1.0" valve fits most early 948cc, 998cc and 1098cc engine...

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...

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...

Standard inner valve spring lower collar, use C-AEA654.

These are no longer required when using our C-AEA526 and C-AEA527 range of silicone wire springs which are a slight interferance fit and friction ...

Originally fitted to Minifin rocker covers as standard Rover equipment, it will also fit almost every other rocker cover including our FP26 range and Minispares alloy covers. This improved cap has a large grip and an improved lock system...

Alloy CNC version of the cylinder head take off 12G2534. The standard item being steel can be prone to corrosion, this CNC alloy version is smart, and will not corrode like steel does

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.

Unlike polished covers, these 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 in ...

New competition valve cotter, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.

These locate better in the valves and easier to control spring heights.

30.5mm(1.2") exhaust valve seat for the 2016 on 8 port from Race head number 02-040 and road head number 01-018-now fitted to 5 port race head C-AHT347RACE

Fitting kit comprising of studs, nuts, plain washers, spring washers and a gasket

Spring seat shims (set of 4), 0.040" thick (1mm).

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-AHT36...

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...

New competition valve cotter for early heads with the large single groove valve, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.

These locate better in the v...

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