Jaguar XK XKR (X100)Engine Rebuild- From £5,500
Specialist Jaguar XKR X100 engine rebuilds and replacements, with registration-based engine matching, nationwide recovery and a 12-month unlimited-mileage warranty
Rated Jaguar Engine Specialists - 1,800+ Engines Rebuilt
Specialist technicians with 10-15 years of experience
12 Month Unlimited-Mileage Warranty
Nationwide Recovery
Free Engine Matching by Registration
AJ34 Supercharged Specialists
Your Jaguar XK XKR (X100) Engine
Vehicle
Jaguar XKR
Model
XK
Variant
XKR
Fuel
Petrol Supercharged
Engine
AJ34
Capacity
4.0L V8
Generations
X100 (1996-2006)
Rebuild From
£5,500
Not sure which engine you have?
The XKR X100 uses the AJ34 supercharged 4.0-litre V8 - enter your registration below and we'll confirm your exact spec before you get a quote.
DVLA & VIN verified
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No obligation quote
Jaguar XK XKR (X100)Engine Rebuild Price
Starting From £5,500
Engine Code
Rebuild From
£5,500
Generation
1996-2006
Jaguar XK XKR (X100)
Variant
4.0L Petrol Supercharged
AJ34
AJ34 sits on a single rebuild tier.
Exact price depends on condition and parts required - submit your reg for a fixed-price quote.
Jaguar XKR Timing Chain Tensioner Wear (X100, AJ34)
If your XKR is a 1996-2006 model with the AJ34 supercharged 4.0-litre V8 - that's the X100 generation - timing chain tensioner wear is a well-established pattern on these Nikasil-liner-era engines, confirmed in Jaguar specialist circles. We replace the timing chain, tensioners and guides as standard on every AJ34 rebuild.
Source: established pattern in Jaguar specialist circles, per VRF-jaguar-xk.md. Confirmed specifically for the X100 generation.
Jaguar XK XKR (X100)ENGINE OPTIONS
Every XK XKR (X100) is different. That's why we offer the right solution for your engine, your car and your budget.
REBUILDING YOUR XKR ENGINE
Most engine suppliers sell you a used engine of unknown history and hope it matches. We rebuild the engine your XKR already has instead - strip it down, pressure-test it, and replace every worn or damaged component (timing chain, tensioners and guides) with updated OEM parts. You get a near-new engine with a 12-month unlimited-mileage warranty, without the compatibility risk of an unknown used unit. This is the option most XKR owners choose, and it's the one we'd recommend for most situations.
From £5,500RECONDITIONED XKR ENGINES
"Reconditioned" is the term many owners search for when they mean the same thing as a rebuild - a full strip-down, inspection, and replacement of worn parts rather than a straight swap. If that's what you're after, our rebuild service is exactly that.
Learn moreREFURBISHED XKR ENGINES
Similarly, "refurbished" often describes the same process from a different angle - restoring your existing engine to full working condition rather than replacing it outright. Our rebuild covers this.
Learn moreREMANUFACTURED XKR ENGINES
Some owners specifically search for a "remanufactured" engine, expecting a unit rebuilt to original specification with updated components. That's consistent with what our rebuild service delivers on the AJ34.
Learn moreREPLACEMENT XKR ENGINES
If your existing engine is beyond economical repair, we also offer full engine replacement and fitting - sourced and fitted by our team, with the same 12-month warranty.
Learn moreUSED XKR ENGINES
In some cases, a matched low-mileage used engine is the right call - particularly if you need your car back on the road quickly and your existing engine's damage is extensive. We can source and fit these too, though most owners who ask about used engines end up choosing a rebuild once they understand the compatibility risk a used unit carries. Enter your reg below and we'll talk you through both options honestly.
Learn moreNOT SURE WHICH OPTION IS RIGHT FOR YOU?
Enter your registration below and we'll confirm your AJ34 and talk you through the best solution for your XK XKR (X100), honestly.
Ask About Your Options
OUR WORKSHOP
01RECOVERY COLLECTION
Jaguar XK XKR (X100) recovered nationwide.
02STRIPPED ENGINE BLOCK
Jaguar XK XKR (X100) AJ34 engine stripped for inspection.
03TIMING CHAIN REPLACEMENT
Jaguar XK XKR (X100) timing chain and guides replaced.
04TECHNICIANS AT WORK
Jaguar XK XKR (X100) engine rebuild in progress.
05ENGINE TESTING (RIG)
Jaguar XK XKR (X100) AJ34 tested before dispatch.
06COMPLETED & READY FOR REFIT
Jaguar XK XKR (X100) engine rebuilt to OEM specification.
Real photos from our workshop - not stock imagery. This is what a genuine Jaguar XK XKR (X100) rebuild looks like.
Jaguar XK XKR (X100) ENGINE REBUILD PROCESS
WE COVER YOUREXACT VEHICLE
Enter your registration below and we'll confirm your Jaguar XK XKR (X100) has the AJ34, along with an exact rebuild price.
WHY JAGUAR XK XKR (X100) OWNERS CHOOSE US
Engine matched using VIN or registration number - confirms AJ34 before you're quoted
Genuine specialist workshop - not a broker
Specialist technicians with 10-15 years of experience
We don't swap your engine for an unknown used unit
Nationwide recovery, workshop rebuild
12 month unlimited-mileage warranty
All engine ancillaries serviced as part of the rebuild
Trade & public enquiries welcome
Dedicated advisor from quote to fit
OUR MOST RECENTJAGUAR RECOVERIES & REBUILDS
Real vehicles brought into our workshop. Open bonnets, stripped blocks, and cars ready for collection - this is what genuine engine work looks like.
Jaguar XK XKR (X100)
RECOVERY
Jaguar XK XKR (X100)
DIAGNOSTICS
Jaguar XK XKR (X100)
STRIPPED ENGINE
Jaguar XK XKR (X100)
TIMING CHAIN REPLACEMENT
Jaguar XK XKR (X100)
IN FOR REBUILD
Jaguar XK XKR (X100)
REBUILD IN PROGRESS
HOW IT WORKS
SEND YOURREGISTRATION
RECEIVE YOURFIXED-PRICE QUOTE
WE RECOVERYOUR CAR
REBUILD &REFIT
Most XK models are recovered within a few hours of booking. Most rebuilds are completed within 3-5 working days.
Workshop slots fill up fast - book your recovery today.
LOOKING FOR A USED ORREPLACEMENT ENGINEINSTEAD?
We supply low-mileage, VIN-matched used units too, and offer full replacement and fitting. However, most XKR owners choose a rebuild once they realise it removes compatibility risk and works out more cost-effective over the life of the car. Enter your reg below and we'll show you every option, honestly.
ABOUT THE Jaguar XK XKR (X100) ENGINE
The XKR is the supercharged flagship of the first-generation XK range, built on the X100 chassis from 1996 to 2006. Under the bonnet sits the AJ34 - Jaguar's supercharged 4.0-litre V8, a development of the naturally aspirated AJ26 and AJ27 engines used in the XK8. Where the XK8 produced 290bhp, the XKR's supercharger pushed output to 370bhp, giving it serious performance credentials that still command respect today. The AJ34 engine is known among specialists for timing chain tensioner wear over time - a pattern shared with the naturally aspirated AJ26 and AJ27 units - which is why we replace tensioners and guides as standard on every rebuild.
We continue to rebuild and replace AJ34 engines for every XK XKR (X100) on the road.
Jaguar XK XKR (X100) ENGINE CODES
AJ34 (X100)
A 4.0-litre supercharged V8 fitted to the XKR from 1996 to 2006 across the X100 generation. Known for timing chain tensioner wear over time - see the callout above. We replace the timing chain, tensioners and guides as standard on every AJ34 rebuild.
Check Your AJ34 XKR
Jaguar XK XKR (X100) ENGINE COMPATIBILITY
The XKR X100 uses the AJ34 supercharged 4.0-litre V8. Before we quote or supply anything, we confirm:
Your exact engine code (AJ34) via registration or VIN
Your generation (X100)
Drivetrain and ancillary specification
Any ECU considerations specific to your exact build
This is why we always start with your registration rather than a generic XKR quote - it protects you from paying for parts that don't fit your actual car.
Jaguar XK XKR (X100) APPLICATIONS BY GENERATION
Generation
Chassis
Years
Engine Code
Fuel
X100
X100
1996-2006
AJ34
Petrol Supercharged
Jaguar XK XKR (X100) ENGINES BY YEAR
Jaguar XK XKR (X100) has used the AJ34 throughout. If you're unsure of your exact spec, we'll confirm it before you book.
We Cover Every Jaguar XKR Model Year:
- Jaguar XKR 1996 Engine Rebuild
- Jaguar XKR 2001 Engine Rebuild
- Jaguar XKR 2004 Engine Rebuild
- Jaguar XKR 2006 Engine Rebuild
If your registration year or model isn't listed above, get in touch - we'll confirm availability directly against your reg.
Jaguar XK XKR (X100) Engine Details:
Jaguar XKR 4.0 Litre Engine (AJ34)
Jaguar XKR Petrol Supercharged Engine Rebuilds
If your exact specification isn’t listed here, get in touch - we’ll confirm availability directly against your reg.
Jaguar XKR Engine COSTS
A Jaguar XKR X100 engine rebuild starts from
£5,500
for the AJ34 supercharged 4.0-litre V8. A full replacement engine and fitting service is also available. Exact pricing depends on the condition of your existing engine and the parts required - submit your registration for a fixed-price quote within 30 minutes.
JAGUAR XK XKR (X100) ENGINE SIZES
• Jaguar XKR 4.0 Litre Engine (AJ34)
JAGUAR XK XKR (X100) FUEL TYPES
• Jaguar XKR Petrol Supercharged Engine Rebuilds
RELATED JAGUAR XK VARIANTS
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