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A resource site for owners of the Mk1 & 2 Fiesta

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Mk1 Ford Fiesta Rallye Sport Series X

Series X Ford Fiesta Mk1

Series X Parts were optional 'Rallye Sport' extras available for the Capri, Escort, Cortina and Fiesta. These parts were offered in kits, to be fitted by dealers rather than being supplied as factory options. Rallye Sport Ford dealers were provided with special Series X forms allowing them to order the required parts to upgrade any Mk1 on the customers behalf.

The Mk1 Fiesta Series X upgrades were available from 1977 onwards, and were Fords first venture into developing the sporty side of the Fiesta, pre-dating the Supersport and XR2 models. Development of the later performance models no doubt used these early kits as part of the research into the sportier target market.

The Series X kits focused on 3 key areas, Engine, Brakes and Cosmetic upgrades.

Series X Mk1 Ford Fiesta

Available Kits from 1977 onwards

Kit Parts
Kit A 7x13 inch alloy road wheels
205/60-13in tyres
Speedometer recalibration kit
Black polyurethane wing extension kit with front airdam
Reclining front seats with head restraints
Kit B 6x13 inch four-spoke RS alloy wheels
185/60-13in tyres
Black polyurethane airdam
Uprated front brake discs (for use with 13in wheels only)
Reclining front seats with head restraints
Performance (Engine) Kit 1100cc Carburettor, inlet manifold & exhaust manifold giving a 20% power increase
Performance (Engine) Kit 1300cc Twin carburettor conversion
Performance Engine upgrade Replacement 1.6 engine to upgrade 1.3kent engines fitted to fiesta S and Ghia models

1980 onwards new Series X Part range

From September 1980, the range of parts offered was altered to coincide with changes to the Fiesta range. 4 main kits were offered, designed to appeal to a range of enthusiast levels. Some of these kits included the RS name, but please note that the cars were not badged as such, it was more a reference to the parts themselves and the fact that they had been fitted by a Rallye Sport dealership.

Series X Fiesta Custom Pack

A list of all parts available as part of the Series X custom upgrade pack

Part Desc Finis Code Qty
Wheel arches and front spoiler 9055379 1
Rear spoiler 9055333 1
6"x13" RS alloy wheels 9053556 5
Wheel bolts 9055060 16
Wheel centre caps 9053139 5
Increased dia. disc kit 9055040 1
Servo brace 9054278 1
Steering rack spacer 9055600 2
Anti-dive kit 9054249 1

Series X Fiesta RS 1.1

A list of all parts available as part of the RS 1.1 upgrade pack

Part Desc Finis Code Qty
Exhaust manifold 9054123 1
Inlet manifold 9054128 1
Carburettor 9054130 1
Air cleaner assembly 9054140 1
Air cleaner decal 9053220 1
Throttle bracket 9054129 1
Front spring 9054376 2
Front strut 9054286 2
H/D stabiliser kit 9054311 1
Tube - chassis rail 6023031 2
Tube - spacer 6005985 2
Bush - rear 6005983 2
Bush - front 6005984 2
Washer 6005982 4
Nut M18 1524350 2
Nut M18 lock 6081968 2
Clamp - stabiliser bar 1466889 2
Bolt - M10 x 60 1516792 2
Bolt 516 UNC 1454095 2
Nut M10 lock 1543630 6
Nut 516 UNC lock 1404781 2
Washer M10 1436268 2
Cotter pin 1490947 2
Camber adjustment nuts 9054287 4
Rear damper 9054288
Rear springs 9054414 2
Camber adjustment bolts 1515115 2
Top mount reinforcements 1575951 2

Series X Fiesta RS 1.3

A list of all parts available as part of the RS 1.3 upgrade pack

Part Desc Finis Code Qty
Exhaust manifold 9054294 1
Exhaust resonator 9054340 1
Carburettor 9054365 1
Front spring 9054376 2
Front strut 9054286 2
H/D stabiliser kit 9054311 1
Tube - chassis rail 6023031 2
Tube - spacer 6005985 2
Bush - rear 6005983 2
Bush - front 6005984 2
Washer 6005982 4
Nut - M18 1524350 2
Nut M18 lock 6081968 2
Clamp - stabiliser bar 1466889 2
Bolt M10 x 60 1516792 2
Bolt 516 UNC 1454095 2
Nut M10 lock 1543630 6
Nut 516 UNC lock 1404781 2
Washer M10 1436268 2
Cotter pin 1490947 2
Camber adjustment nuts 9054287 4
Rear damper 9054288 2
Rear spring 9054414 2
Camber adjustment bolts 1515115 2
Top mount reinforcements 1575951 2

Series X Fiesta RS 1.6

A list of all parts available as part of the RS 1.6 upgrade pack

Part Desc Finis Code Qty
Custom Pack (excluding Anti-dive kit: 9054249)
Cylinder Assembly 9054299 1
Carburettor 9054365 1
Exhaust manifold 9054295 1
Exhaust resonator 9054340 1
Front spring 9054376 1
Front strut 9054286 1
H/D stabiliser kit 9054311 1
Tube - chassis rail 6023031 2
Tube - spacer 6005985 2
Bush - rear 6005983 2
Bush - front 6005984 2
Washer 6005982 4
Nut M18 x 1.5 1524350 2
Nut M18 lock 6081968 2
Clamp - stabiliser bar 1466889 2
Bolt - M10 x 60 1516792 2
Bolt 516 UNC 1454095 2
Nut M10 lock 1543630 6
Nut 516 UNC lock 1404781 2
Washer M10 1436268 2
Cotter pin 1490947
Camber adjustment nuts 9054287 4
Rear damper 9054288 2
Rear spring 9054414 2
Oil cooler kit 9054377 1
Distributor 1556815 1
Camber adjustment bolts 1515115 2
Top mount reinforcements 1575951 2

Further options

Further Series X options available on all models

Seats - Black
Recliner - RH 9054102 1
Recliner - LH 9054103 1
Head restraints 9052636 2
Seats - Bitter Chocolate
Recliner - RH 9054370 1
Recliner - LH 9054371 1
Head restraints 9054372 2
Seat supports 9054190 4
Rallye Sport steering wheel 9054338 1
Steering wheel fititng kit 9054346 1
Round headlamp/ front 1/4 bumper kit 9054415 1
Series X Ford Fiesta Mark 1

Ford Rallye Sport dealers

Series X parts were only available through rallye sport dealerships which tended to be larger.

dealer list coming soon

Series X Magazine advert ford fiesta

Page Last Updated: Friday 6th of November 2020