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£ 15,000

Westfield Megablade - SOLD

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For sale is my Westfield Megablade. Originally built by AB Performance based on a 2005 chassis but modified at Westfield to AB Performance specifications. It was raced successfully in the early 750MC RGB series up to 2013/14. I acquired the car in 2016 and replaced the engine with a 2015 Blade SP unit sourced from AB Performance and prepared at the AB Performance workshop. Prior to the 2018 season the car underwent a full re-spray. I am currently the 5th owner of the vehicle and have enjoyed what I have done in the car, however, the car is not being utilised to its full potential at present and so it is time to pass it on to someone who will.

Spec list:


Engine Bay:

2015 Honda Fireblade SP – standard ECU with Dynojet Power Commander 5, running approx 175 bhp.

Castrol Power 1 Racing oil (replaced after each event with a new filter)

Slipper Clutch

AB Performance Billet Sump and oil pick up

AB Performance water pump delete kit

Remote electric water pump

AB Performance Air Filter

Bespoke Air Box

Westfield Modified lower chassis frame (to AB Performance specifications) and AB Performance Bespoke upper engine frame (lighter and quicker/easier to remove the engine).

JCC Oil catch tank

AB Performance billet oil take off

26 Row Mocal oil cooler with braided oil lines

AB Performance re-packable exhaust

Bespoke radiator with silicone hoses.

Ducted front end behind the rad to keep hot air from the engine bay

Electric, lightweight radiator fan, switched in cockpit (switch off for noise testing).

Aluminium expansion tank

Silicone hoses

Remote oil pressure sensor



Bespoke ARF 50 ltr foam filled motorsport fuel tank (18 ltr sprint tank as spare (no foam))

2 ltr Merlin Motorsport swirl pot

Sytec high flow low pressure pump (rear end)

In line low pressure replaceable filter

Sytec fuel pressure regulator

Sytec high flow high pressure pump (engine bay)

Sytec high pressure cleanable fuel filter

New fuel lines (main feed and return not yet replaced, braided hose included)

Fuel quantity gauge (requires fitting)



Protech double adjustable dampers front/rear

200 lb 8” front springs

150 lb 7” rear springs

Procomp bespoke front ARB

Rear ARB removed

6 x 13” Compomotive CXR wheels with Nankang AR1’s part worn.

Revolution spare wheels:

                6 x 13” front, 7 x 13” rear

Yokohama A021 wet tyres (hardly used but not fitted)

4 Pot AP Racing callipers (Front)

Vented discs (Front)

Sierra callipers (Rear)

Drilled discs (Rear)

Mintex 1152 pads Front, standard pads rear.

Castrol SRF brake fluid

Sierra XR4 LSD (3.38), standard XR4x4 SAE 90 oil

Corner weighted to 82kg Driver



Bespoke carbon dash

Carbon tunnel

Carbon side panels

Digidash Lite 2

Lifeline Zero 200 Fire extinguisher (due cal but will be completed upon sale, prior to collection/delivery)

Momo removable steering wheel

AB Performance Billet Paddle gear change (mechanical)

Lightweight seat

New TRS harness

New throttle cable (plus spares)

Longacre wide-angle, rear-view mirror



Re-spray in 2018

Easily removable nosecone

Bespoke bonnet (V8 bonnet with bulge increased by 2” to fully enclose the engine)

Ducted offside, side panel to release hot air from the engine bay

Scuttle mounted aero screen

Quick access Carbon effect rear deck

LED front and rear marker lights

LED rear lamps

FIA rain light

Headlamps removed (included with spares)

Rear diffuser


The package will include many spare parts such as prop shaft, steering rack, cycle wings, front wish bones.

The car has been taken apart and put back together several times with various owners and I am no exception. It is a simple car to understand mechanically but has the power to weight ratio to embarras much more expensive machinery on track. The cornering ability is astonishing, and the acceleration is phenomenal. If you have never driven a bike engine car; then prepare to be amazed.

This is a well sorted race car which would not be able to be built for the asking price. Initially built by AB Performance; the last word in bike engine race cars, the car is completely track focussed and is not road registered.

I am open to any reasonable offer and may be able to deliver the car at the cost of the fuel (and maybe a coffee) to the buyer. The price has been lowered due to me working abroad next year and require the car to be sold. Grab yourself a bargin race car.

AB Performance are no longer in business however, parts are still available from MK Sportscars who took over AB Performance Brand.

More pictures can be made available upon request. Thanks for looking.


Andy Holborn


Tel:         07731 408734

Keyword Search Terms:

Westfield, Caterham, Sportscar, Kit Car, Lotus Seven, Bike Engine, MK Sportscars, A B Performance