Timing Gears & Components

All-new unit has integral belt tensioner to avoid high-RPM belt loss, and features an infinitely adjustable vernier cam gear for precise cam timing.

Small flanged bolt set that attaches the timing cover to the engine plate. Ref: 07810Z.

Standard replacement camshaft key. Fits any A-series camshaft.

Custom machined keys allow minute repositioning of the cam sprocket to enable precise adjustment of the cam timing. Ref: WKN.

Triangular thrust plate controls fore-aft movement of the cam and keeps the timing chain in proper alignment. Ref: AHU2379, 2A84.

If you are replacing your timing chain or just doing routine maintenance, a new locktab is sure to come in handy! Ref: 2A759, 2A0759.

Reproduction crank sprocket for single-row timing chain installations. Ref: 8G725, 8G0725, CC38.

Race-proven, aluminium,centered, infinitely adjustable duplex timing set with steel outer gears for durability. Optimised gear design to minimise chain slack.

Machined and lightened steel sprockets with doweled vernier adjustment plate; includes a quality AE duplex timing chain. Ref: S12, C-AJJ3327.

11-bolt front plate for the A+ classic Mini engine with timing chain tensioner. Ref: 12G2626.

10-bolt front plate for the A-series classic Mini engine; reproduction. Ref: AEG161.

Gasket required by the pre-1979 classic Mini 10-bolt timing cover. Ref: 12A956, 12A956B, 12A0956B.

Gasket required by the post-1979 classic Mini 11-bolt timing cover. Ref: 12G2625, 12G2625B.

Metal lock tab for use with crank pulley bolt when one-piece pulley is fitted. Bend the side over to lock into the recess of the pulley. Ref: 12A398, 12A0398.

All A-series and A+ engines used this front seal until about 1990. Ref: 88G561, NA473, 88G0561.

Improved timing cover seal, featuring a double lit and a scroll to swirl any oil back toward the seal. Ref: LUF10006.

Flat metal disc on the bottom (crank) timing gear to help throw oil onto the chain. Ref: 12A1148.

High-strength allen head screw, originally used on engine front-plates when duplex timing gears were used. Ref: AEA687, AEA0687.

Screw(s) as fitted into the main bearing cap holding the front timing gear plate to the A-series engine.

Kit includes the main components needed to replace the wearing parts for a single row timing chain with tensioner

Pivot pin for the timing chain tensioner in single-row timing setups used from 1979-2000. Ref: 12G2629.

Rubber tensioner ring for early cam sprocket. Ref: 8G549, 8G0549.

The rubbing block that takes the slack out of the single row timing chain used on A+ engines. Ref: 12G2621.

Race-quality imported drive belt for high-RPM applications. Improves the reliability of the belt drive conversion for race and performance applications. Ref: BELTBELT, SEN0048HD.

Replacement upper gear for the single-row timing chain setup. Ref: 12G4337, CC39.

Formed metal bracket that secures the timing chain tensioner on A+ classic Mini and Metro engines. Ref: 12G2628.

Super-quality German dual-row timing chain. A race-spec chain that reduces stretch and gives long life at high rpm. No master link to cause a catastrophic failure. Ref: 2H4905EVO, CST3027.

Dual-row timing chain, as used on 1275 A-series engines and small-bore Cooper engines. Ref: 2H4905, 2H4905E, TD52.

Single-row timing chain as used on all 850-1098cc engines, and later 1275 A+ engines; aftermarket. Ref: 3H2127, TS52.

Highest-quality German-made Iwis single-row timing chain; fits A-series and A+ classic Minis equipped with single-row setup.

Standard replacement gears, or an economical upgrade to add duplex timing gears to your simplex engine. Ref: C-AJJ3323.

Replacement for the standard single-row ''simplex'' timing gears on any A+ classic Mini engine. Ref: C-AJJ3323, C-AJJ3323S.

Cam sprocket for double-row chain, now made in cast or sintered material. Ref: 12G1397, CC52A.

Cast crank sprocket for duplex timing chain setup. Ref: 12G1699, CC52.