Advanced Search

Lay Gear Thrust Plates

Reproduction of the standard items to suit early and later lay shaft diameters.

1st MOTION SHAFT NUT

1st Motion Shaft Nut reproduction of hard to obtain original part.

Gearbox Cases

At long last we have completed the final component to enable us to build brand new, complete gearboxes.

This top quality casting is produced from our own pattern equipment in cast iron as the original. It is then 
CNC machined using our own CAD drawings. 

These Healey Gearbox Cases are produced to exacting standards, with the benefit of the original drawings and supplied complete with the Rear Mainshaft Bearing Housing, available to suit the early or late Layshaft.

Gearbox Lids

Whilst the old lids are increasingly hard to find Denis Welch Motorsport offers a newly developed Gearbox Lids for Austin-Healey BJ7 and BJ8 Centre Change gearboxes.

These Gearbox Lids are a faithful reproduction of the original. Designed by our CAD Team with the benefit of original drawings and made from our own patterns to exacting standards. CNC machined these high quality parts are cast in Aluminium as the original.

These Lids are available bare or complete with selector shaft, gear lever shoe, woodruff keys and oil seal installed. 

These parts are made exclusively by us and are NOT available anywhere else. To make sure you get a Denis Welch original look out for Denis Welch Motorsport logo.

GEARBOX SIDE COVERS

These Gearbox Side Covers are a faithful reproduction of the original, designed by the Denis Welch Motorsport CAD Team with the benefit of original drawings. CNC machined these quality parts are cast in Aluminium as original, suitable for the Austin Healey Side Change BN2 to BN7 gearboxes.

Also available as a Complete Assembly which includes the Selector Shaft and Gear Lever Shoe.

Bellhousing

Suits all centre change gearboxes, recommended to use with our heavy duty pre-load washer (CGBS156)

BN2 BELL HOUSING & CLUTCH OPERATING SHAFT

Top quality reproduction of the originals. Now there is nothing stopping you changing that weak three speed gearbox for the later four speed and staying with the original type mechanical clutch linkage.

We have reconditioned gearboxes available for outright sale, please contact our Parts team for further details.

Our BN2 Clutch Operating Shafts (CLU152) fit both left and right hand drive.

Competition Centre Change Gearbox

New straight cut gears, mainshaft, baulk rings, selector hubs and bearings etc. Assembled into a combination of new and used centre change cases. Complete and now available from stock.

Sold on an outright basis or £1000.00 rebate if old unit exchanged.

Standard Centre Change Gearbox and Overdrive

Fully reconditioned standard Centre Change gearbox and overdrives now from stock. Rebuilt with new bearings, baulk rings, seals and layshaft etc. assembled into a combination of new and used cases with original standard helical gear sets.

Sold on an exchange basis with a £1850-00 surcharge for the old unit.

Competition Side Change Gearbox and Overdrive

Fully Reconditioned side change gearboxes and overdrives available from stock. Assembled with new straight cut gears and mainshaft, bearings, baulk rings, seals and layshaft etc. assembled into a combination of new and used cases with 22% overdrive. Suppled without bellhousing on an outright sale basis. Tulip and Sepbring gear options.

No exchange required.