Goes on both ends of the rocker shaft to keep tension on the #1 & #8 rockers.

original rocker shaft spring (3) between rockers on every A series engine

Originally fitted to help rocker pad to valve stem alignment and reduce friction, the standard springs can also be replaced with solid spacers and these shims. The spacers including correct shim set are sold as a set C-AEG392[.

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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...

Upgraded rocker cover gasket made in silicon, cut outs for 11 stud head and ideal when rocker cover is removed on a regular basis.

Rarely you may require longer rocker cover bolts when fitting this so use CAM6823.

Unlike polished covers, these red 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...

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.

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...

EXHAUST VALVE 1.15 TURBO

.3135 thou (7.96mm) thick, uses CAM6573 collets only.

Sold individually.

To help rocker pad to valve stem alignment and reduce friction, the standard springs can be replaced with solid spacers and correctb shim set. The spacers and shim kit are sold as C-AEG392.

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...

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...

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...