Racetorations Overdrive, A-Type 22.5%

Racetorations Overdrive, A-Type 22.5%

From £750.00
( £900.00 inc. VAT)
Item in Stock  |  Usually dispatched within 24 hours
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  • Uprated for fast road/competition
  • 22.5% reduction
  • Fully rebuilt (exchange only)
  • Bench tested before release
  • Scroll down for important information on exchange units
  • See GER008 for exchange options

Racetorations have over 20 years of development in modifying the TR gearbox and overdrive. Our gearboxes are used worldwide. They are reliable and extremely strong. The top of the range boxes use specially made layshafts hardened to approximately twice the standard depth. The lay gear modifications use high speed bearings that halves the point load on the lay-shaft. The laygear thrust both forward and reverse are converted to a multi- bearing flat roller surface. Synchro rings are competition type hand tolerance’d into each unit. Quick-shaft top covers and co-axial release bearing kits are regularly fitted. The boxes have been used in TR Register championship winning TR4s and TR6s as well as in our 230 BHP Talisman TR6 and many other TRs built to circa 200 BHP+.

Important information please read this carefully. Unless you intend to deliver and collect the overdrive from our workshop on your own transport it will be necessary for you to purchase a shipping box to protect both the reconditioned and returned unit. A number of options are available to you but the exchange unit must in all cases be suitable for refurbishment and however you proceed if we find the exchange unit is unsuitable all transport cost will still be to your account and you may need to pay the surcharge. Refund on surcharge may be reduced if the box is damaged or unusable.

1. Deliver exchange unit on your own transport to us by arrangement and we will give you the reconditioned unit.
2. Return your exchange unit to us at your own risk and expense, purchase a box and we will send you the reconditioned unit.
3. Pay a surcharge and we will send you the reconditioned unit and refund the surcharge when you return the exchange unit in the box at your expense.
4. Pay a surcharge and we will send you the reconditioned unit and refund the surcharge when you return the exchange unit in the box and we will arrange collection.

Please see part number GER008 for the box and delivery options.

Order before 1pm and we will make every effort to despatch this item to you today!

Please note, for a small number of items such as starter motors and alternators, delivery may be delayed by 24hours. Please also note that for special orders, such as specially-made crankshafts, delivery times may vary dramatically so it is recommended you contact us to discuss.

For further shipping and returns information, please see our Shipping & Returns page linked at the base of this page.

All returns must be accompanied with the 'Customer Returns Note' filled in.


For orders delivered to addresses within the UK or the European Union, Value Added Tax (VAT) at the prevailing rate must be added to the price and shipping charges. A switch on the site will allow you to show prices on this site with or without the VAT added. All other orders are VAT-free. Companies within the European Union (not including the United Kingdom) may also exempt themselves from VAT if they have a valid VAT number and the goods are being delivered to the company address. Such companies will need to contact us separately as they will be unable to order VAT free on the site.  Please be aware that you may be liable to local taxes or duties, which will apply when the parts reach their destination country. For further information on import duties please seek advice from your local Customs office.

The following privacy policy sets out how Racetorations uses and protects any information that you give Racetorations when you use this website.

Racetorations is committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.

Racetorations may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes. This policy is effective from December 2014.

What we collect


We may collect the following information:


  • Name
  • Billing address
  • Shipping address
  • E-mail address
  • Credit card information


In addition we also collect information on your IP address, browser type, and Refer URL data. We use this data to prevent hacking attempts, help us know what web browsers people are using, and find out where our visitors are coming from so that we can improve our marketing.


How we use the information


We require this information to to provide you with a service, and in particular for the following reasons:


  • Internal record keeping.
  • We may use the information to improve our products and services.
  • With your agreement we may periodically send promotional emailsabout new products, special offers or other information which we think you may find interesting using the email address which you have provided. 


We do not sell or redistribute your information to ANYONE. Only your order data billing, shipping, and order contents data is stored on our server. This information is encrypted using a Secure Sockets Layer before it is transmitted over a web server. We do not store your Credit Card data. This data is stored so that we are able to respond to your future contacts or questions about the order and for warranty issues should they arise in the future.



We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.

How we use cookies

A cookie is a small file which asks permission to be placed on your computer's hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences and sales basket.

We use traffic log cookies to identify which pages are being used. This helps us analyse data about web page traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system.

Overall, cookies help us provide you with a better website, by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us.

You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.

Links to other websites

Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over other 3rd party websites. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.

Controlling your personal information

You may request details of personal information which we hold about you under the General Data Protection Regulation(GDPR) (EU) 2016/679. If you would like a copy of the information held on you please write to Racetorations Ltd at the address detailed on our contacts page.

If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible, at our contact address. We will promptly correct any information found to be incorrect.