The smaller of the two duplex gears this cast one sits on the crankshaft. Fitted to many A series models as standard with the exception of the Cooper S which had steel. The steel version is AEA695 or available as our kit C-AJJ33...

The larger of the cast type duplex gears this fits on the camshaft,these are genuine AE products. See 12G1699 for crank gear or C-AJJ3323 duplex kit with chain.

Race quality heavy duty double row performance endless timing chain. It is the best chain available and used by top engine builders, also fits MGB/Midget. This chain is for duplex gears that is used by racers as a limited stretch heavy duty version m...

Standard cast duplex gear set from the original AE supplier. for road use only.

Found to be the best fitting in Mini Mag feature Autumn 2007.

Driving the cam and controlling the timing relationships between the cam and the crank i...

Ultra light non-adjustable steel duplex timing gear and chain set with locktab and countersunk screws AEA687.

See C-AJJ3325EVO with limited stretch race quality chain.

If you are working on your engine and ...

Timing cover front plate and tensioner plate bolt and washer kit. Comes with all parts to fit the cover except for the counter sunk screws if fitting a duplex kit (our duplex kits all come with these).

Special superb extra strong timing chain with very limited stretch using modern day materials and technology to keep your timing correct and will fit any A series engine using a single row chain.

This chain saves all the time and effort requ...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

woodruff key to fit in the camshaft to hold the larger timing chain gear. See 6K836 for the crankshaft keyway for the lower smaller timing chain gear

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

Mini Spares Non genuine timing chain gasket fitted to every BMC A series engine with 10 gasket holes until the introduction of the A plus type which had a bulge in its side where the tensioner was fitted which had 11 holes.

Gasket material h...

Lightened cam gear duplex timing gear and chain set. Not recommended for race/rally applications. approx 69-70g 9% lighter

General: Camshaft Drive Systems


For highly tuned engines always use steel duplex as cast is nowhere as st...