 | Camchain tensioner KT1100
The oem stock tensoiner is spring loaded so that it is maintance free, the disadvantage with this compromise is that it can back off if used in a race engine or the engine is used aggressively such as a track day or on the drag strip. Stock tensioners also preload the camchain and tensoiner wheels, this results in accelerated wear. This is why most race/trackday bikes have the manual billet tensoiner fitted, it can not back off and so reliability is not an issue, another reason engine tuners fit this piece is because it does not preload the chain and so friction/wear is reduced, and power is increased.
Price: £42.25 (Excluding: VAT at 20%) |
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 | Valve stem seal set 99199
Set of APE valve stem seals superior in quality to the Genuine Kawasaki part yet costs less
Price: £17.80 (Excluding: VAT at 20%) |
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 | Stainless valve
APE is a leading supplier of high performance and racing valves for motorcycles. APE stainless steel valves are precision manufactured from aircraft quality Inconel based stainless steel. This special material offers excellent resistance to heat and distortion. APE stainless steel valves are designed to be used in the most extreme racing applications including the use of exotic fuels, or will give many miles of trouble free street use. They present an outstanding value. In most cases you can upgrade to APE stainless steel valves for less than the cost of replacement stock valves. price is per valve so for a full set you will need to order 4.
Price: £23.50 (Excluding: VAT at 20%)Size
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valve keeper set 21604 Radius groove valve keeper set of 16.
Price: £14.10 (Excluding: VAT at 20%)
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Valve guide set, VGK900 APE valve guides are designed to take the abuse of today's modern high horsepower engines. They are made from special bronze alloy to resist wear and heat. No other valve guide that you can buy will out-perform APE guides. APE guides are precision machined with the bores finished to size. They are designed to fit lower in the head to clear high lift cams, and use APE seals or factory OEM seals. Sold as a set of 8
Price: £64.70 (Excluding: VAT at 20%)
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Valve guide +.004", PM400480 Oversize valve guide cnc machined from a special alloy bronze to resist wear, will out last the original iron guides, machined with a shoulder to replace the circlip, guides are alos shorter to allow more clearance for higher lift camshafts
Price: £7.48 (Excluding: VAT at 20%)
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Heavy duty valve spring set VS900K APE valve springs are manufactured using a premium chrome silicon spring steel and are electronically tested for defects, designed to provide maximum control without causing excessive valve seat pressure, for consistant pressure and excellent fatigue life. Racers as well as street riders have come to depend on APE springs for winning performance. For use with stock engines to .425" high lift cam and / or agressive camshaft profile.
Price: £56.94 (Excluding: VAT at 20%)
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Shim under followers VTK900 Set of APE heavy duty racing tappets or followers to convert shim on top to shim under, TVSRK1000 titanium retainers will also be required to convert the shim on top set up to shim under.
Price: £225.00 (Excluding: VAT at 20%)
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Titanium valve spring retainers TVSR1000K APE titanium retainers are shorter than stock to provide additional retainer to valve guide clearance for high lift cams. APE valve spring retainers are machined from aircraft quality titanium bar stock in the APE plant on the latest state of the art computerized CNC machinery.CNC machining allows advantages as bored taper keeper holes for exact keeper fit. Special gauging fixtures allow dimensions to be held close to provide exact installed heights when assembling the cylinder head. Use with VTK900 for shim under conversion.
Price: £106.95 (Excluding: VAT at 20%)
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 | Valve shims
Shim under type for the Z1100R, GPz1100, Z650 and all Z's with the shim under conversion.
Price: £4.05 (Excluding: VAT at 20%)Size
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 | Adjustable cam sprockets, ACS1100K
Most riders know that performance camshafts require the correct cam timing to obtain reliability and maximum gain in power, but even stock engines will benifit form precise cam timing, we have found substainal gains in power by degreeing the cams in, many bikes roll off the production line with a stack up of toloerences that lead to the camshafts being several degrees out of the desired position, add camchain stretch, wear on the guides and even more power is lost. These cam sprockets will enable you to degree the camshafts in, they are cnc machined so that they are a precise fit onto the camshafts and are also heat treated for an extra long life. At £43.50 a pair they are perhaps the least expensive gain in power you can buy. To fit 3 bolt cams only.
How to degree cams in
Price: £47.50 (Excluding: VAT at 20%) |
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 | Hyvo camchain 152
Genuine Kawasaki Hyvo camchain for the Z1000J, R and GPz1100. Endless.
Price: £29.45 (Excluding: VAT at 20%) |
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 | Heavy Duty Cylinder Stud Set CS900K
Heavy duty cylinder studs are necessary to prevent head gasket leakage in high compression and turbo charged engines. Stock cylinder studs are made from a mild steel and will stretch, this then leads to head gaskets failing, old stock studs also become brittle and can break. These APE studs are manufactured from heat treated chrome moly with rolled threads for extra strength. APE also manufacturer heavy duty main bearing stud kits, made from the same special chrome moly as the cylinder studs
Price: £60.85 (Excluding: VAT at 20%) |
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 | Heavy duty cylinder head nut set, CHN1000K
APE heavy duty cylinder head nuts to fit the APE cylinder studs, stronger and deeper than the original so will not bottom out on the stud, this is especially a problem when the head has been skimmed.
Price: £53.45 (Excluding: VAT at 20%) |
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 | Exhaust gasket, EXG42
Exhaust gasket manufactured from a fibre and alluminium material, thicker than the original copper type, sold individually so remember to order 4 for a full set.
Price: £1.28 (Excluding: VAT at 20%) |
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 | Complete gasket set
Complete pattern gasket sets for the bikes listed on the drop down menu, these sets include all the gaskets, valve stem seals and exhaust gaskets (head gasket included for Kawasaki's is the original 2 piece type, for an upgraded head gasket see our Cometic range)
Price: £82.25 (Excluding: VAT at 20%)Make and Model
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 | Cam cover gasket G818
Camcover gasket for the Z1000J, R, and GPz1100 at a much better price than from your local Kawasaki dealer
Price: £14.20 (Excluding: VAT at 20%) |
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 | Cometic head gasket
Cometic head gaskets are available in a CFM-20 or in copper. CFM-20 gaskets use a perforated steel core with an elastomer surface and is ideal for head gaskets allowing heat to be drawn evenly across the gasket surface while providing maximum sealing characteristics. The copper is used in high compression, turbo or nitrous motors where the top of the block has been o ringed, copper gaskets can also be reused.
Price: £36.75 (Excluding: VAT at 20%)Bore size
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| | Copper head gasket
Cometic head gaskets are available in copper. Used in high compression, turbo or nitrous motors where the top of the block has been o ringed, copper gaskets can also be reused.
Price: £39.95 (Excluding: VAT at 20%)Bore size
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 | Base gasket 11060 1828
Genuine Kawasaki base gasket for the Z1000J, GPz1100
Price: £11.99 (Excluding: VAT at 20%) |
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 | Cylinder spacer
Alloy base spacers for the GPz. These are ideal for turbo charged bikes if you wish to increase the amount of boost. Also used in strocked crank applications. Available in 60 thou thickness, these spacers are machined from sheet on the latest type cnc machines as an exact match to the base gasket.
Price: £37.50 (Excluding: VAT at 20%)Cylinder srpacer thickness
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 | Crankcase/oilpump O ring
Genuine Kawasaki O ring locates either between the Crankcase halves or between the oil pump and lower case half. Sold individually.
Price: £1.52 (Excluding: VAT at 20%) |
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 | Engine seal set, GPz-seals
This engine seal set uses Genuine Kawasaki seals only not pattern seals, set includes Genuine Kawasaki output shaft seal, clutch pushrod seal, gearchange seal and r/h crankshaft seal.
Price: £18.77 (Excluding: VAT at 20%) |
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 | Main bearing stud and nut set MBS1000K
Heat treated chrome moly main bearing studs (case studs) are necessary to prevent the cases from moving around under power in high output engines. These high strength studs help to prevent crankshaft damage.
Made from the same special chrome moly that we use in our cylinder studs. All threads are rolled after heat treat for maximum strength. All sets come with special flanged nuts and instructions. Replace tired old streched brittle crankcase bolts with these heavy duty stud and nut set.
Price: £39.00 (Excluding: VAT at 20%) |
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 | H/D output shaft bearing, HDB116328
Replaces the stock bearing pn 92045-1034 (no longer available from Kawasaki). The extra load from increasing engine power to the back wheel is transmitted through the output shaft bearing, where offset sprockets and wider rear wheels are fitted this load will increase, fit this heavy duty bearing to prevent expensive failure and transmission damage.
Price: £30.00 (Excluding: VAT at 20%) |
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| | H/D input shaft bearing HDB115305
Heavy duty double row input shaft bearing with locating circlip to replace the original stock bearing.
Price: £42.95 (Excluding: VAT at 20%) |
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 | Billet camcover plates, KCK1100
Billet cnc machined blank off plates for the US imports, get rid of those ugly smog take offs and fit these billet blank off plates, come complete with fitting screws
Price: £31.47 (Excluding: VAT at 20%) |
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 | Clutch basket rebuild kit, CHK1000K
A common problem due to years of hard service in the aircooled bikes is the transmission springs in the clutch basket start to sag and break up. Normal symptons are a rattle when the bike is in neutral and idling. This kit allows the clutch basket to be reconditioned, kit includes new springs, rivets and collars. Should be fitted by an experienced machanic. note for Z900/1000; we recommend that you check your clutch basket whenever the crankcases are apart as the clutch can not be removed once the cases are together.
Price: £66.50 (Excluding: VAT at 20%) |
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 | Heavy duty clutch spring set, CSK07
Clutch springs like any coil spring under constant pressure gets weaker with age, as clutch springs get older they loose presure over the clutch plates and lead to clutch slip. These clutch springs give an additional 10% pressure over the original stock springs.
Price: £14.00 (Excluding: VAT at 20%) |
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 | Steel clutch plate, 130891004
Steel clutch plate for the GPz, Genuine Kawasaki part. The steel plates should never wear out but occasionally with lots of clutch slip they can become warped, blue patches indicate towards a warped plate.
Price: £3.32 (Excluding: VAT at 20%) |
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 | Wiseco piston ring
We stock Wiseco rings so that you can get the Wiseco spares you need fast, The piston rings are sold a set for a piston, so if you need a full set of rings for a four cylinder you will need to make the quantity 4. Wiseco use many different ring formats such as XA, XC, or XG, this relates to the thickness of each ring, the ring format for your piston is stamped on the crown of the piston, so if you have C or XC stamped on the crown then you need to choose the XC style rings.
Price: £23.75 (Excluding: VAT at 20%)Ring format
Bore size of piston
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 | Hiflo oil filter, HF401
Hiflo Oil filter, passes all OEM pressure drop tests, tested and used by some of the fastest teams in the World.
Price: £4.20 (Excluding: VAT at 20%) |
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 | Dyna Ignition coils
These high tech, top quality coils are designed for maximum performance. They produce spark voltages in excess of 30,000 volts and spark energies second to none. DYNA Coils are made to replace stock coils. Choose from 2 variations of resistance for different applications. Choose 3 ohm for use with Dyna S or 2.2 ohm for use with stock CDI ignition.
Price: £116.59 (Excluding: VAT at 20%)Ohm rating
2.2 ohm grey stock CDI, DC4-1 3 ohm green Dyna S ignition, DC1-1 |
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 | Push pull throttle assembly
Mikuni flatslide carburretors require a push pull throttle is fitted, the single cable set up as used with cv carburretors will not allow the slides to shut down properly. This kit includes twistgrip drum with slim housing and both cables. Twist grip action is just over 1/4 turn.
Price: £38.95 (Excluding: VAT at 20%) |
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 | Pingel fuel tap with adaptor, 6211
Tuned Z's often show signs of fuel starvation at high rpm, the stock vacuum operated fuel tap is often overlooked as the cause of this problem. The Pingel high flow fuel tap has a polished alloy body, chrome plated on-off lever with reserve, so is much more attractive than the dull grey ugly stock item. This tap comes complete with your choice of mounting adaptor, chose the A2001 nut to fit the 22mm boss on the tank or one of the 2 bolt adaptor plates. Measurements for the adaptor plates are from bolt hole centre to centre, (measure the distance between the two bolt holes in your fuel tank).
Price: £79.50 (Excluding: VAT at 20%)Adaptor type
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 | Inlet manifolds for flatslide carbs
These manifolds enable you to fit Mikuni RFS34, RFS36 and RFS38 Mikuni carbs, for a full set you need to order 4. Will not fit Z1100B1 with out modification.
Price: £12.55 (Excluding: VAT at 20%) |
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 | Billet offset Sprocket GPz
TheThese billet offset sprockets are cnc machined from 1 peice of steel, this results in a precise fit on to your output shaft, this is important as badly fitting sprockets will wear the output shaft splines, because these billet sprockets are cnc machined they also run true, this is another advantage over stamped out or weld up sprockets. these sprockets are case hardened so that they will last longer than a stock sprocket. 5/8" offset and 530 chain pitch
Price: £45.00 (Excluding: VAT at 20%) |
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 | Front wheel bearing / seal kit, BRG-2293
Wheel bearings typically fail from dirt and water contamination. These kits include premium EMQ quality KML hi-speed bearings with double lip rubber seals to keep out dirt and water and retain the grease, type TC nitrile elastomer wheel seals have a rubber coated outer and steel garter spring inner to provide constant pressure on the axle shaft and provides further protectoin for the bearings which will extend service life. Price is for the complete set.
Price: £9.00 (Excluding: VAT at 20%) |
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| | Rear wheel bearing / seal kit, BRG-2322
Wheel bearings typically fail from dirt and water contamination. These kits include premium EMQ quality KML hi-speed bearings with double lip rubber seals to keep out dirt and water and retain the grease, type TC nitrile elastomer wheel seals have a rubber coated outer and steel garter spring inner to provide constant pressure on the axle shaft and provides further protectoin for the bearings which will extend service life. Price is for the complete set.
Price: £18.25 (Excluding: VAT at 20%) |
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 | Steering bearing set, BRG-1228
Bad handling is often a result of worn head race bearings, as it is as much work to grease the bearings as it is to replace them, they are often neglected at service intervals. Bad road surfaces and wheelies will result in accelerated wear in the bearings. To check your bearings lift the bike so that the front forks and wheel are free to rotate, if there is a"dead spot" or notch when the forks are gently turned either side of straight ahead, your bearings need replacing.
Price: £22.00 (Excluding: VAT at 20%) |
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