Jaguar XK8 XKR (X100) Spark Plug Specifications and Spark Plug Gaps

Recently on my 2001 XK8 I decided to change the spark plugs as it looked like they had not been changed for over 7 years. There are 4 different part numbers covering this Jaguar model so I wanted to ensure I purchased the correct part. The current part number supercessions are NCA3850DA2, NCA3850FA1, NCA3850HA2, C2A1535.  I also wanted to check and if required set the correct gap for the spark plugs.

This data took some time to locate on the web so I have included it below.


Jaguar XK8 XKR (X100) Lower Rear Wing Repair Panel

Jaguar XK8 XKR X100 Lower Rear Wing Repair Pane

Jaguar XK8 XKR X100 Lower Rear Wing Repair Panel

After several months of discussing, researching and producing the required tooling for this part I am pleased to announce the availability of this Jaguar XK8 XKR (X100) lower rear wing repair panel. As many owners will know this is a notoriously bad area on the car for corrosion. Condensation can build on the inside of the panel and will run down to sit and stay in the bottom lip of the panel. Also the exterior of the panel behind the rear wheels is exposed to dirt and dampness thrown up by the rear wheels. The bottom section of the panel is attacked from both sides with corrosion running from behind the rear wheel to the the area underneath the rear lights. With these steel bodied cars getting older it is likely that many cars will already of had problems or the problems are just waiting to surface (literally !)

In the past the repair options have been to either make repairs to this area of the car or replace the whole quarter panel parts at high cost.

At the time of writing this is an update on the parts availability:

Convertible to Vin A40264

LH - FJA1321BE - No Longer Available

RH - FJA1320BE - No Longer Available

Convertible From Vin A40265

LH - C2N3006 - No Longer Available

RF - C2N3007 - £836 + VAT

Coupe to Vin A40264

LH - FJA1321AF - No Longer Available

RH - FJA1320AF - £1661 + VAT

Coupe From Vin A40265

LH - C2N2864 - £1661 + VAT

RH - C2N2864 - £1684 + VAT

For those panels that are available add to their high cost the many labour hours of specialised time to firstly remove the old quarter panel and then fit the new quarter panel to the inner structure

As no repair panels have been available to date owners and body work specialists have had to fabricate repairs welding in many sections of metal to try and replicate the general curvature of the panel which curves at the bottom of the wing and then round to underneath the light area. We have seen repairs to wings looking like a patchwork quilt of metal sections. Large amounts of body filler are then used to try and reproduce the general shape.

For this reason we have produced this semi hand crafted repair panel based on tooling that in turn has been based on the genuine Jaguar panels.


* the panel has been designed to repair just the area most susceptible to corrosion

* considerably reduced parts cost

* considerably reduced labour costs

* welding reduced to a minimum results in improved longevity of the repair

* reduced amount of body filling to ensure a perfect finish

Price for this XK8 XKR (X100) Lower Rear Wing Repair Panel Per Handed Side is just £185 + VAT and Shipping. No UK VAT to pay if you live outside the UK and EEC Countries.


See below just a reminder of the problem areas we are talking about !


Typical Jaguar XKR XKR Rusty Rear Wing

Typical Jaguar XKR XKR Rusty Rear Wing

Thanks for Visiting


Jaguar XK8 and XKR Parts







Jaguar XKR 4.2 2004 Owned by Mr S Spriggs Refurbished BBS 20 ins Detroit Wheels Supplied by Ourselves in July 2015.

Jaguar XKR 4.2 2004 Owned by Mr S Spriggs Refurbished 20 ins Detroit Wheels Supplied by Ourselves

Jaguar XKR 4.2 2004 Owned by Mr S Spriggs Refurbished 20 ins Detroit Wheels Supplied by Ourselves

Jaguar XKR 4.2 2004 Owned by Mr S Spriggs Refurbished BBS 20 ins Detroit Wheels Supplied by Ourselves in July 2015.


* Removal of Titanium Bolts, Rims Split, Checked and Repaired as required
* Professionally Powder Coated in High Power Silver
* New genuine Jaguar Wheel Centre Caps Fitted
* New Valves Fitted
* Careful Packing and Shipping to the USA

Recent Email from Steve:

"The wheels arrived to us in the USA with no problems. They look really sharp on the XKR. I have received several compliments on them. Thank You.

Here are the wheels just before packing them up for shipment to the USA.

Jaguar BBS Detroit Alloy Wheels

Jaguar BBS Detroit Alloy Wheels

We occasionally have stock of these impressive Jaguar BBS Detroit Alloy Wheels. Please CLICK HERE to contact us and enquire

Jaguar XK8 XKR Parts and Accessories

Jaguar XK8 XKR (X100) Exterior Styling Accessories Range

Jaguar XK8 XKR (X100) Condensation in the Front Head Lights Technical Bulletin To Fit ‘T’ Piece

Jaguar XK8 XKR Front Headlamps can suffer from condensation build up causing misting of the light lens unit. Over time this can cause electrical problems and deterio9ration of the light lens reflector material. This deterioration of the material then reduced lighting quality.

Read below the Jaguar Technical Bulletin on the problem and and How to Fit a 't' Piece Venting pipe to help aid air circulation.


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