V12 Engine Components

Under Construction




Pistons

The future3D CAD-designed crown std and long-rod versions availableNew vs Old

Our piston range has now moved into a new dimension - In addition to our well-established custom forged piston service, for those at the top level of racing, we can reveal our latest weapon. Designed using state-of-the-art 3D CAD equipment and manufactured by the undisputed piston gurus at Cosworth, these new pistons are like nothing previously seen on a Jaguar. Whilst up until now, the Cosworth pistons available for the XK piston have been based on the original 50's design, our crown design has been developed to ensure that the air/fuel mixture is forced into an optimal space around the spark plug, allowing higher compression ratios than were previously conceivable without the usual danger of detonation on the shrouded face. Lighter than any other assembly we know (Cosworth promised there was not another gramme could be squeezed from our design!), they are available either for conventional length con-rods, or in a long-rod format (seriously light!). Make no mistake, these are the best Cosworth pistons available for the XK engine, and are exclusive to us! We can also offer a range of pistons for XK 6-cyl and V12 engines from standard cast pistons to big-bore forged piston conversion kits- up to 4.5 litresfrom the 6-cylinder on a standard crank (Growing to 4.9 litres with our long stroke crank kit!), and 6.1 litres from the V12 (V12 long strokes are available to order- contact us for details).

3.4 Litre 9:1 CR Pistons

'3.4 Litre 9:1 CR
  • Available in standard, 020", 030", 040" & 060"
  • As original specification crown
  • Cast in modern alloys
  • Solid skirt, 3 ring assemblys
  • Including pins, clips & rings

    Price£595.00 per set



    Engine Component Coating Service

    Piston Skirt CoatingEngine Component Coating

  • Reduces Friction & Wear Available For Many Engine Components
  • Reduces Parts Operating Temperature
  • Can Increase BHP & Torque
  • Oven Cured For Maximum Life & Performance

    Price: From £10.00 per piston - (new)

    'Top Hat' location Liners

    'Top Hat' Liners
  • We replace all XK 6 cylinder liners to this specification using our unique method
  • Eliminates liner movement
  • Eliminates 'over tight' liner/block distortion
  • Permanently seals liner to liner bore/water jacket (no leaks!)
  • Liner kit supplied with sealing fluid, machining & fitting instructions

    Price:£375.00 per set (3.8/4.2)

    Con-Rods

    Performance Con-Rods

    For racing applications, we recommend the use of these heavy-duty wide-blade rods. They are reconditioned, shot-peened and supplied ready to fit with new heavy-duty bolts and nuts. These rods have been safely used in engines developing over 330BHP.
    Price: £465.00

    Alternatively, we can supply Carrillo rods for the ultimate race specification.
    Price from £1700.00

    Heavy Duty Rod Bolts

    Often overlooked in the preparation or overhaul of race engines, rod bolts have a hard time - enduring the shock loads of every power cycle in your engine. Should you really leave such responsibility to a standard item (let alone a 30-year old standard item!)? For about £30.00 more than a set of standard bolts and nuts, we offer our uprated bolt and nut set, manufactured by ARP,one of the world's premier specialist fastener manufacturers.
    For 6 cylinder engines, includes bolt, washer and nut.

    Price: £98.00 per set of 12 assemblies

    Professional Bolt Stretch Gauge

    Professional Bolt Stretch Gauge

    • The professional way to tighten critical bolt assemblies
    • Ideal for con rod bolts or studs
    • Far more accurate than simply 'torquing'
    • Far quicker & easier than many think!
    • Far more economical than many think!

    Very easy to use & more importantly very accurate & lets you know if your rod bolts are perfect or substandard quality

    • Better quality build!
    • More accurate build!!
    • Better 'piece of mind' than just torquing!
    • Easy to use

    Price: £68.50

    High Tensile Head Studs

    Again, should a 30-year old stud be trusted to clamp the head gasket in your performance Jaguar? ARP quality cannot be beaten.
    Available for 3.8 and 4.2

    Price: £210.00 per set

    Main Bearing Stud Kit

    Torque your caps down to 130lbft!

    Full race engines sometimes suffer from the main bearing caps "fretting" against the cylinder block, due to insufficient clamping force from ancient design bolts.
    Our solution? Fit this stud kit and clamp your caps down to 130lbft!

    Price: £149.00 per kit

    Crankshafts

    CrankshaftsBlank Forging

    We can supply exchange, reconditioned and modified cranks. Essential for racing.

    Price: £POA

    Long-stroke cranks are available for those engaged in the never-ending search for more CC's!

    Price: from £1250.00 - Modified (SA Welded standard 4.2 crank) to £3000.00 - Billet

    Lipseal Crank Conversion

    When rebuilding your engine give some thought to this conversion. How many people do you know who've had trouble with the rear crankshaft "rope seal" leaking? Rectifying a leaking rope involves removing the crank, which in turn involves removing the engine! Just consider how the labour bill for this would have paid for our conversion which replaces the seal with a modern one-piece item, as found on any modern car. Other cheaper designs have tried to use a two piece seal, as found on nothing this century!
    This conversion is available for all 6 cylinder XK engines.
    Kit includes: modified, ground and balanced crankshaft (exchange), new flywheel, modified rear seal housing (exchange).
    Price: £695.00

    4.2 Crankshaft sludge plugs

    Replacement for Jaguar part number C23761.

    Price: £24.95 per set

    Crankshaft Scraper Plates

    crankshaft scraper plate

    These plates bolt between the sump and block and "wipe" the oil mist from the crank to minimise windage losses.Note:Due to the individuality of engines, these plates are not supplied ready-to-fit and will require matching to your own unit. They are still however a far quicker and easier option than making your own from scratch!

    Price: £48.50

    Fluid Crankshaft Harmonic Damper

    Fluid Harmonic Damper

    Traditional rubber bonded dampers can suffer from the rubber perishing or becoming contaminated. At best this will result in the outer ring moving slightly and so giving incorrect ignition timing readings, at worst the ring could come separated at high revs....

    These dampers use a fully enclosed silicone fluid as the damping medium which can absorb torsional vibrations at all engine speeds. The timing marks are also solidly linked to the centre, ensuring reliable timing every time. Kit comes with all necessary brackets and fasteners and a new anodised aluminium pulley.

    Price: £475.00

    Aluminium Oil Gallery Plug Set

    Aluminium Gallery PlugsAluminium Magnetic Gearbox Drain Plug

    These 'beautifully made' anodised aluminium plugs 'set off' an engine rebuild along with being a modern, lightweight material.

    Price: £34.50 per set

    Aluminium, magnetic gearbox drain plug Price: £6.60

    High-Flow Oil Pumps

    High Capacity Oil Pump

    Superceding our high-capacity pump, this modified pump has been developed in conjunction with the original manufacturer and offers 30% increased flow over the standard setup.

    Price: £120.00

    High-Capacity V12 Oil Pumps

    Click here to enlarge

  • All new V12 High Capacty Oil Pump
  • Made in latest high quality materials
  • CNC machined to exacting standards
  • Over 20% increase in gear thickness

    Price: £560.00 - To suit early spec engines
    Price: £595.00 - To suit later spec engines - (includes early spec drive gear)

    Uprated Oil Relief Valve

    Uprated vs StandardUprated vs Standard

    We can now offer our redesigned relief valve for increased maximum oil pressure for high power engines. By virtue of a higher capacity body and an uprated internal spring, peak oil pressure is raised 25%

    price: £75.00


    Big-bore Pickup Pipes

    Pickup Pipes With Baffle

    Big-bore oil pickup pipes available for E-type and XK150

    Price: £67.00

    Baffled Racing Pickup Pipe

    For E-types only. Kit comes with pickup pipe as above and uprated sump baffle to help prevent oil surge under heavy cornering.

    Price: £82.50

    Braided Camshaft Oil Feed Pipes (New spec)

    Vibration ResistantVibration Resistant

    Our new specification braided cam feed pipe features stainless steel construction throughout and is backed by a lifetime guarrantee. These camfeed pipes will not crack under vibration and also make an attractive alternative to the factory item.As a further bonus, we supply them with a vastly improved sealing washer, eliminating the ever-present leak found to the rear of so many XK engines.

    Price: £78.00

    Oil Return Pipe

    Oil Return Pipe

    This pipe provides a return for those using a side-exit oil filter housing in conjunction with an E-type or MOD sump.

    price: £46.00


    Oil Filter Adaptor

    Oil Filter Adaptor

    This kit allows you to convert from the old canister type oil filter to the modern (and more effective!) scew-on type. Please contact us for applications. Kit includes: adaptor, all fixings and seals, new filter.

    price: £59.00

    High-Torque Geared Starter Motor

    High-Torque Geared Starter Motor

    We have now had our own starters produced. No more adapter plates, these have a bespoke mounting flange to ensure exact location. The starter itself is of the gear reduction type, bringing twice the cranking torque whilst drawing only half the current of the original item. And they only weigh half as much! drawing half the current! Fitment:

    • Type1 - Fits XK120, XK140, XK150, Mk7, Mk8, Mk9.
    • Type2 - Fits Mk2 3.4 and 3.8, Mk10 3.8, S-Type 3.4 and 3.8, E-Type 3.8.
    • Type 3 - Fits E-Type 4.2, Mk10 4.2, 420, 420G, XJ6 4.2 SI to SIII

    Price: £220.00
    We can also supply a starter for V12's for £295 and an offset item for special applications for £330.

    Offset Starter And Flywheel

    Offset Racing FlywheelHigh-Torque Geared Starter Motor

    For the dedicated racer we have these excellent flywheels which use a smaller diameter ring gear and an offset, high-torque, geared starter motor for reduced inertia. Machined to take 7.25" clutch. Kit includes: flywheel, starter motor, new, uprated flywheel bolts.

    Price: £755.00



    New Standard 6 Cylinder Flywheels

    Click here to enlargeClick here to enlarge

    • To suit all 6 cylinder models XK to XJ
    • All new, lightweight & steel
    • CNC machined
    • Zero balanced - ready to fit
    • 9 KG

    Price: £340.00


    New Standard V12 Flywheels

    Click here to enlarge

    • To suit all 12 cylinder models V12 E to XJ
    • All new, lightweight & steel
    • CNC machined
    • Zero balanced - ready to fit
    • 11 KG

    Price: £385.00

    New Race Flywheels

    Click here to enlargeClick here to enlarge

    • To suit all 6 & 12 cylinder race engines utilising 7.25" multi-plate clutches
    • All new, lightweight & steel
    • CNC machined
    • Zero balanced - ready to fit
    • 7 KG

    Price: £445.00

    Flywheel Modification Service

    Standard Clutch Sizes: Road lightened, faced, zeroed (18-22 lbs) Exchange £195.00
    Surcharge for non-Exchange of a servicable unit (Subject to availability) £110.00
    Ring Gear replacement (6 cyl models) £135.00
    Ring Gear replacement (12 cyl models) £205.00

    Shrink Fit Ring Gears

    Shrink Fit Ring Gears

    For all models.

    Price: XK120, 140, 150, MK7 etc £60.00
    Price: 3.8 MK2, E-Type, 4.2 E-Type,XJ6 etc £60.00
    Price: V12 E-Type (late) & all manual V12s (XJ, XJS etc) £128.00

    High Tensile Flywheel Bolts

    High spec from ARP - Do you want to be worrying about the quality of the bolts securing your flywheel, whilst it spins at 6000 rpm six inches away from your ankles?
    Price per set: £72.00

    Clutches

    7.25inch Racing Clutch

    Clutches for all applications available. Contact us for details.

    • Standard

      • 91/2" Complete Assy £195.00
      • 10" Complete Assy £POA
      • 101/2" Complete Assy V12 £405.00
    • Uprated

      • 91/2" Complete Assy £344.00
      • 10" Complete Assy £POA
      • 101/2" V12 Cover £390.00, Plate £135.00
    • Sintered

      • 91/2" sintered paddle type Complete Assy £385.00
      • 71/4" twin plate Assy £495.00
      • 71/4" triple plate Assy £486.00
    • Roller Release Bearing Conversion £105.00


    Uprated Engine MountsBillet Aluminium Engine Mounts

    Stiffer Mounts

    Stiffer engine mounting rubbers for 6 cylinder E-Types, Mk2's XK's etc. to match the increased power of your engine. Overpeened construction ensures a fail-safe installation that won't let you down!

    Price: £52.00 per pair (Road) £90.00 per pair (Race)

    Heavy Duty 'XJ Range' Engine Mounts

    Heavy Duty!

  • Harder shore rubber front engine mounts
  • Essential for all 'high torque' applications
  • Reduces engine movement
  • Long lasting - British made!

    Price: £60.00 per pair

    Brackets and Locktabs

    High Quality Locktabs

    We have now reproduced the following parts:
    Part NumberDescription Price
    C13615/1 Timing chain damper for early 3.4 and 3.8 engines £26.50
    C10333 Locktab for Hydraulic Timing Chain Tensioner £1.20
    C20397 Locktab for Lower Timing Chain Damper No C21815 £1.20
    C21831 Locktab for Lower Timing chain Damper No C13614/1 £1.20
    C21793 Oil Pickup Pipe Supporting Strut (On Oil Pump) £2.25
    C21849 Oil Pickup Pipe Supporting Strut (On Centre Main) £8.50
    C21850 Clamp for Oil Pickup Pipe (Attaches to C21849) £6.25
    C33917 Locktab for Camshaft (late 6-cyl and all V12) £1.20
    C30176 Locktab for Jackshaft (V12) £1.20

    All Prices Quoted Are Exclusive Of VAT And Delivery



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