performance and reliability at affordable prices...
P E R F O R M A N C E T U N I N G LTD
Established since 1996
"Top Boss Performance are clearly the best source of knowledge and preparation of the Ford Cosworth V6 engine in the UK"
Norman Snowdon, Ginetta Owner
Top Boss Engineered Parts
Top Boss specially engineer and manufacture many custom parts in order to fulfil the requirements of custom projects. All parts are manufactured locally using the best materials possible.
When you buy a Top Boss product you know you’re buying a product that has been tried and tested many times over but still offered at a reasonable price…here are the most widely used and commercial Top Boss parts for sale. For the full catalog please go to our 'Shop'.
A cost effective way to boost your bhp.
Here at Top Boss we custom build our own tubular manifolds and pass on the savings to you!
Pair of Top Boss Tubular Manifolds
Pair of Top Boss Turbo Tubular Manifolds
Our robust and reliable Cosworth 24V silicone hose set is one of our most popular products. Available in red, blue, black or orange.
We sell the set but can also offer these tubes in various lengths to suit your engine! Call us today for a custom quote.
Specially designed and manufactured in Derby by Top Boss. These cannot be found anywhere that's why we have decided to make them in bulk, they are always in stock. High quality material and outstanding workmanship gone into this product.