Clutch & Gearbox

All classic Minis until the Verto setup in about 1982 used this long clutch arm. Modern version, stronger than the original. Ref: 22A2204MS, 22A2204.

Short release arm as used in classic Mini Verto clutch installations. Ref: DAM5355, DAM5355MS.

Heavy-duty CNC-machined EN24T steel billet version of the clutch operating arm used on the later classic Mini Verto clutch (1982-2000). Ref: DAM5355, DAM5355HD.

Upgraded version of the pre-Verto clutch release bearing plunger. Made in the UK from EN24 steel. Ref: 22A180, 22A0180HD.

Clutch throw-out bearing plunger for pre-Verto application. Ref: 22A180, 22A180MS.

Modern press-fit pre-Verto clutch release bearing that performs identically to the early design. Ref: GRB238, GRB201, CCT38.

Heavy-duty pre-Verto clutch release bearing with a wider thrust surface, as original. Ref: GRB201EVO, GRB201, GRB238.

Unique design of release bearing as used only on Verto clutch assemblies. Ref: GRB239, GRB0239.

Small mild steel metal tab that goes under the bleed screw on the clutch slave cylinder. The clutch arm return spring hooks to it. Ref: 2A3600, 2A3600-OE.

This small stainless steel metal tab goes under the bleed screw on the clutch slave cylinder. Ref: 2A3600.

Horizontally-mounted pre-Verto cast iron clutch slave cylinder for the classic Mini. Ref: GSY110, 22A233.

Aftermarket cast iron clutch slave. Horizontally mounted and used on all pre-Verto clutches. Ref: GSY110, GSY110MS.

Half-moon collet, locates the end of the output shaft into the Hardy Spicer drive flange, under the rubber seal. Used on early automatics and Cooper S, two (2) required per flange.

This is the larger copper sealing washer of the two commonly used in the brake/clutch plumbing. Ref: 3H550, 3H0550.

Copper joint washer for hydraulic applications. Used in brake and clutch hose installations. Ref: 233220, 233220A.

Heavy-duty differential recommended for any high performance road-driven classic Mini or Mini Cooper. Ref: C-AJJ3385.

Detent ball for gear synchronizing hubs in all classic Mini transmissions. Ref: BLS107, BLS0107.

This spring is found under the right-hand diff side cover of a rod change transmission; applies pressure to the detant ball that locates the shift selector rod.

Detent spring inside of synchro hubs in 4-synchro gearbox. Use six (6) per gearbox. Ref: 22G2262.

Blue-spring diaphragm assembly recommended for standard 1275 engines or high output 1000s. Ref: GCC103, Q60012, CA2838.

Circlip to retain the diff output shafts used with an LSD. Ref: CCN122, CCN0122.

Washer fitted next to the inner circlip to retain the diff output shaft when an LSD is fitted; for use with Cooper S output shafts. Ref: C-BTA1243.

Set includes two specially-bushed planet gears, thrust washers, uprated differential pin and roll pin. Ref: C-BTA167, 2A7062, DAM5071, DAM6624, DAM6027.

The pin through the center of the diff is often ignored, but should be replaced at rebuild time. Ref: C-BTA166, C-BTA0166.

Standard differentials use two (2) of these pinion (planet) gears. Good-quality reproduction; sold each.

If you want to install flange- type differential output shafts, such as used with Hardy-Spicer drive shaft couplings or with a Limited Slip Differential (LSD) in a rod change gearbox,

Differential side cover with bushing installed. Fits Minis 1959-73, but can also be used on left side of rod-change transmission with yoke outputs or pot joint. Ref: CHM85, CHM0085.

Revised cupped thrust washer used after 1980, identifiable by a locking ear that keeps the washer from spinning and wearing into the diff cage. Ref: DAM5071.

Cupped thrust washer as used on all classic Mini differentials to 1980. Ref: 2A7062.

If you are installing an LSD, other than the Swift ATB one, into a gearbox to be equipped with ''pot joints'' (inboard CV joints), you will need two of these.

The large-diameter fiber thrust washer for the output shafts on all standard classic Mini differentials. Ref: BTA101, BTA0101.

Pin locks the main pinion pin to the differential cage. Ref: RPS1418.

Shimming used so the differential bearings to achieve proper preload; .006'' thick. Ref: DAM3108.

Shim used with the differential bearings for proper preload; .010'' thick. Ref: DAM3109.

Used to shim the diff to obtain proper bearing preload; .020'' thick. Ref: DAM3633.

Dowel that fits into the transmission housing and locates the speedometer drive housing cover. Sold each.

Copper washer for oil drain plug. Should be replaced every second or third oil change to help prevent drips. Ref: AED172, AED0172.

Used bare drive shafts to accept inner CV joints, typically needed when converting to 1973-on pot joint transmission. Ref: 22A1960, 22A1961, SEVU002, SEVU002R, SEVU002L.

Dust seal presses on the splines of the primary gear to help keep clutch dust from wearing the rear main oil seal. Ref: DAM2821.

2.95 crown wheel and pinion set; reduces your RPM at a given speed, so will allow quieter and more economical highway driving. 20/59 tooth count

You can reduce engine RPM by about 10% or more at any road speed by changing to this final drive, which must be installed on the differential.

Final drive ring and pinion gears with 3.2 ratio. Tooth count is 19/61.

Ring and pinion final drive gears as used on the classic Mini Cooper S and many 998cc Minis from 1970-on.

Competition-quality 3.7:1 ratio final drive ring and pinion gears to fit limited-slip differential (LSD).

3.7 final drive ratio, semi-helical for maximum strength; available to fit standard or LSD-type differentials.

Ring and pinion final drive gears, tooth count 17/64, 3.76 ratio. Used condition, but supplied as a matched set.

The 3.9 is a good all-around final drive ratio for the Vintage racer. These are semi-helical for maximum strength and superbly manufactured by Quaife, one of the UK's leading transmission manufacturers.

First motion, or input shaft, for 4-synchro transmission, including remote shift and pre-A+ rod change. 17 teeth. New old stock.