Morgan 4/4 5 Speed Mazda Gearbox Conversion Kit - Duratec


Prices are exclusive of VAT

Available - Despatched 2-3 business days after order receipt
Product code VITMOG44D


  • Fits exactly in place of your existing Morgan gearbox
  • Improves feel and power delivery
  • Reduces weight 
  • Comes fully assembled
  • Gear ratios suit perfectly
  • Easily fitted by anyone who could fit a standard Morgan gearbox
  • No drilling or cutting of your Morgan
  • Full fitting instructions provided
  • High-quality OE Mazda parts
  • Electrocoated parts


  • Gearbox fitting service available in the UK
  • Worldwide shipping
  • 12-month parts defects warranty
  • Suitable for the Duratec Morgan 4/4, 2006-2009
  • In the USA or Canada? Visit our North America distributor Moss Motors


The Vitesse Gearbox Conversion Kit for the Morgan 4/4 Duratec uses the brilliant, tried and tested Mazda MX-5 Mk3 5 Speed transmission, as fitted to the current Morgan Classic vehicle line.


Our kit includes the following:

  • NEW Mazda MX-5 5 Speed Transmission
  • Mazda Flywheel
  • Mazda Clutch Friction Plate
  • Bespoke Clutch Cover
  • Vitesse Remote Shifter Housing
  • Mazda Shift Lever and Shift Knob kept in original position
  • Mazda Clutch Slave Cylinder
  • Braided Clutch Pipe
  • Prop Shaft
  • Mazda needle roller bearing assembly
  • Gearbox Rear Mount Bracket Assembly and Isolator
  • Complete Fixings kit
  • Clutch Alignment Tool


Can I fit the Morgan gearbox kit myself? 

Yes - depending on your mechanical skill. Our Morgan gearbox replacements are designed to fit directly in place of your current gearbox, so if you are competent enough of a mechanic to remove and install a Morgan gearbox, our kits will present no issue to you.

If, however, like many, mechanics is not your calling, we offer a Morgan gearbox fitting service from our facility in Leicestershire. Your vehicle will have its new gearbox fitted by the very engineers who designed and built it and will be ready in just a few days. 

If a trip to Leicester is out of the question, we will happily supply our Morgan gearbox directly to a mechanic and work with them, should they have any questions during the install. 


Want to lighten the load? 

The all-alloy case of our Morgan gearbox means significant weight savings can be achieved with this kit - up to 23kg compared to the R380!


The perfect ratio:

Designed specifically for Morgan, this gearbox offers a great set of ratios, offering solid power throughout the range.   


Gear Ratio - Mazda Transmission 
1 3.136
2 1.888
3 1.330
4 1.000
5 0.814


Still unsure about upgrading? Ask us anything 

We get all kinds of questions about our Morgan gearbox replacements: ‘will it fit x?’ ‘what about connections to this or that?’ ‘can I fit your gearbox to Y?’. Whether you’re technically-minded or really don’t know a spline from a bellhousing and want a gearbox shipping straight to your mechanic, we’re here to help! 

Drop us a line on:

Tel: +44 (0)1455 611230


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