Kawasaki Jet ski performance, Repair &  Maintenance 


$41.00 ea.

15F/SXR/Ultra LX      250.00/ SET

Kawasaki Ultra Cylinder Race Head Stage 1 Setup
(A stage 1 Cylinder head is a race spec cylinder head port and polished with freshly cut valve seats. Comes with KP racing springs, titanium retainers, shims if needed, NEW standard valve seals assembled and shimmed for stock setup. You MUST supply a complete assembled cylinder head with tappets, shims, valves, intake manifold, etc. For custom shims with this setup please contact us for pricing.)

Ultra 300/310 Intake

Installed    $2,410.00

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Cam Chain Tensioner
(New OEM Tensioner comes with new SS bolts, New o-ring and NEW OEM tensioner assembled.)

2006-2018 Ultra LX, SXR, 15F OEM Head Gasket                      $104.38

OEM Cast Iron   $26.98/ ea.

$41.00 ea.

2008 Ultra


Intake     $518.00


Ex          $518.00



2009-2010 Ultra


Intake   $518.00


Ex        $518.00



2011-2015 Ultra


Intake   $518.00


Ex        $518.00

Cylinder Head All Models                 $4.80 ea.



Valve Cover All Models OEM            $4.45 ea.



Valve Cover All Models SS by KP     $8.50 ea.

Kawasaki Ultra Cylinder Race Head Stage 2 Setup
(A stage 2 Cylinder head is a race spec cylinder head port and polished with freshly cut valve seats. Comes with KP racing springs, titanium retainers, shims if needed, KP Stainless Intake Valves and Inconel® Exhaust Valves, high strength base washers, High performance Viton valve seals assembled and shimmed for your custom setup. You MUST supply a complete assembled cylinder head with tappets, shims, valves, intake manifold etc. ***NOTE*** We do not replace stock valve seats with bronze due to poor seat life. As compared to stock seats, bronze is much softer and will not last long at all on a race machine.)

2007-2010 Kawasaki Ultra 250/260 OEM Head Gasket      $97.00 ea.


RACING HEAD GASKET 300                                             $167.00


2011-2013 Kawasaki Ultra 300 OEM Head Gasket            $129.33 ea.


RACING HEAD GASKET 310                                             $192.00


2014-2015 Kawasaki Ultra 310 OEM Head Gasket            $165.63 ea.

Intake      $16.00 ea.


Exhaust   $16.00 ea.

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX Black Diamond Stainless Valves
(Sold individually. These valves are much superior over stock valves. Stainless steel will not pit and corrode like stock valves. Made for stock and performance applications. Black Diamond™” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond™ Valves are lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics. Fitment is for stock valve guides and seats. For 15F/SXR/Ultra LX, please choose 250/260.)

300/310   $685.00 ea.

Ultra 250/260/SXR/15F/Ultra LX Exhaust

Kawasaki Valve Tappet
(Kawasaki OEM tappet. Fits all years and models. 250/260/300/310/15F/SXR/Ultra LX)

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Cylinder Head Oil Feed Tube
(Fits all models. Comes with o-ring installed.)

Refurbished Exhaust 300/310

Aftermarket  $68.80/Set


Ultra 250/260/LX/SXR/15F Intake

Ultra 250/260/LX/SXR/15F Exhaust

$31.00 ea.

$41.00 ea.

Bronze

Installed     $1,690.00

Ultra 300/310

KP Stainless

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Valve Cover Seal Kit
(Fits all models. Comes with 7 valve cover bolt seals, 1 valve cover gasket and 4 spark plug seals.)

$365.00

Ultra 250/260/SXR/15F/Ultra LX Intake

Kawasaki Ultra NEW Cylinder Head
(OEM thicker cylinder head, eliminated exhaust cooling ports to eliminate cracking on 250/260 models. No valves, seals, springs etc (This is a bare head!). Please inquire about used heads.)

$41.00 ea.

Ultra 250/260/15F/SXR/Ultra LX Exhaust 1mm Oversize

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX OEM Valves
(Sold individually. These are OEM valves made by Kawasaki, they are a steel alloy with a chrome plated stem. Fitment is for stock valve guides and seats. For 15F/SXR/Ultra LX, please choose 250/260. Refurbished valves are cleaned, inspected and faces are ground. May have minor cosmetic blemishes, and some minor pitting/chrome missing in non-crucial areas.)

Ultra 250/260/SXR/15F/Ultra LX

$88.00/set

2007 Ultra


Intake   $518.00


Ex        $518.00

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Valve Cover Bolts
(Fits all models. OEM valve cover are well known for rusting pretty quickly in both fresh and salt water. KP is proud to introduce our 304SS Valve Cover Bolts that will not rust!)

15F/SXR/Ultra LX   $2,182.20

300/310   $4,565.50

(Cylinder head Contains: New Cylinder Head, OEM Valves, KP Racing Spring Kit, New Keepers, KP Aftermarket Valve Seals, Valve Shims, New OEM Tappets.)

Ultra 250/260 Aftermarket    $43.22


Ultra 250/260 OEM               $49.38


Ultra 300/310 Aftermarket    $45.06


Ultra 300/310 OEM              $50.24


Ultra LX/SXR/15F Aftermarket     $44.06


Ultra LX/SXR/15F OEM                $49.38

Ultra 250/260/Ultra LX/SXR/15F     $117.00



Ultra 300/310     $170.00

Ultra 300/310 Exhaust

No Installation    $2,110.00

Ultra 300/310 Intake 1mm Oversize

$38.50 ea.

$650.00

No Installation      $1,365.00

RACING HEAD GASKET 250/260

15F/SXR/Ultra LX   $4,489.52

(Cylinder head Contains: New Cylinder Head, OEM Valves, KP Racing Spring Kit, New Keepers, KP Aftermarket Valve Seals, Valve Shims, New OEM Tappets.)

OEM

$77.00 ea.

Ultta 250   2007 ONLY                  $85.44 ea.



Ultra 250/260   2008-2010            $85.44 ea.



Ultra 300/310   2011-2015            $99.96 ea.



Ultra LX/SXR/15F   2006-2018     $91.42 ea.

250/260   $2,200.12

250/260   $4,507.32

(Cylinder head Contains: New Updated Cylinder Head, OEM Valves, KP Racing Spring Kit, New Keepers, KP Aftermarket Valve Seals, Valve Shims, New OEM Tappets.)


Kawasaki Ultra 250, 260, 300, 310, SXR, 15F, Ultra LX Locating Pins
(Fits all models. Two cylinder head pins are needed and four valve cover pins are needed.)

$28.00 ea.

$645.00

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX Ferrea Racing Valve Kit
(High Performance Valve Kits are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from Inconel® alloy (IN-751) that is highly resistant to heat damage. Valve heads have been redesigned for increased air flow and durability. Valve stems feature hard-chrome plating for superior wear & lubricity. Kits include high strength valve locks, precision machined from 4130 Chromoly. Drop-In Valve Kits: Direct drop-in replacement valves require no machining of cylinder head. For 15F/SXR/Ultra LX, please choose 250/260.)

Ultra 250/260/15F/SXR/Ultra LX Intake 1mm Oversize

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Cam Chains
(OEM Chains. The 2007 ultra 250 is the only early model with the thicker chain. 07 cams and crank must be used with that setup sice the chain is thicker. You can swap out 250/260 cams other than 2007.)

$41.00 ea.

Refurbished Intake 250/260/300/310/LX/SXR 1500/15F     $15.50 ea

$31.00 ea.

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Cylinder Gasket

(Premium Aftermarket)

OEM  $4.88/Ea


OEM                        $6.40 ea.




KP Stainless            $100.00/set

Kawasaki Ultra Cylinder Head Race Spec Port and Polish
(You must send your cylinder head and intake manifold to be port and polished. Seats are re-finished and cut as well. All heads are flow bench tested for the absolute maximum flow! Minimally an easy 20HP gain!)

$875.00

$23.00 ea.

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX Valve Seats
(OEM Replacement is Cast Iron. You will see the best valve and seat life with Cast Iron. Bronze is required for titanium valves, can also be used with stock valves. Seat life will be reduced. Both require machining.)

2006-2018 Ultra LX, SXR, 15F RACING HEAD GASKET           $149.95

$16.00 ea.

Kawasaki Ultra Cams
(New OEM cams. Please note: if you are rebuilding a 2007 motor, the cam sprockets on both the crank and cams are different than the rest of the models. Please call us for specific parts for that model. For all other ultra 250/260 models besides 2007, cams are interchangeable. If you need new cams for a 250 we recommend 2009-2010 cams since they provide greater top end and peak horsepower is at a higher RPM. Please contact us if you need any help!.)

$41.00 ea.

300/310   $2,223.18

Ultra 300/310 Intake

$56.00 ea.

Intake      $27.00 ea.


Exhaust   $27.00 ea.

Kawasaki Ultra 250, 260, 300, 310, SXR, Ultra LX, 15F Valve Cover By KP
(Fits all models. Comes with Brass fittings installed. Please contact us for stainless.)

Refurbished Exhaust 250/260/LX/SXR 1500/15F

Kawasaki Ultra Cylinder Head Assembly
(These are brand new cylinder heads, assembled to your specification! We can customize a setup for you, please inquire. KP recommends sending in your cams for proper valve lash, if not all lash specs will be set with standard cams, but you must check valve lash upon installation. KP heads come standard with 304SS studs and KP brass barbs.)

Cast Iron   

Red Viton  $115.00/Set


Bronze   $320.00/ set

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX Valve Seals
(Made to take the extreme abuse of your high performance ski or stock ski. High performance is made of red Viton. Sold in sets of 16. Aftermarket seals are made by the same manufacturer as OEM Kawasaki.)

Kawasaki Ultra 250x, 260x, 300x, 310x, 15F, SXR, Ultra LX Valve Guide Set
(These valve guides are designed to take the abuse of today's modern high horsepower engines. They are made of a nickel bronze to really take the horsepower. Sold in sets of 16.)

$149.95 ea.

Kawasaki Ultra 250x 260x 300x 310x Head Gasket
(Three layer stainless construction for durability & corrosion resistance. Viton coated & embossed surfaces for maximum sealing between head and cylinder block. Unique design promotes even torque load across sealing surface & requires no re-torque. Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine.)

250/260/300/310      250.00/ SET

Kawasaki Ultra 250, 260, 300, 310, 15F, SXR, Ultra LX, High Strength Head Stud Kit
(Simply the best of the best head studs money can buy! Made by the leader in the industry ARP. These studs have an internal hex for easy installation, no other stud has this hex!. Made specifically for high boost and high horsepower skis. These are heat treated chromoly steel and rolled afterwards, which make them extremely strong. They are made to take the extreme stresses during combustion, and high compression/ boost. Direct replacement of OEM bolts with no modification. If you are running higher boost pressures, timing or high compression pistons. This is a must!)

250/260/SXR/15F/Ultra LX   $650.00 ea.

Kawasaki Ultra 250, 260, 300, 310, 15F, SXR, Ultra LX Valve Train Upgrade

(After countless hours of R&D, and tons of testing, KP is proud to introduce our fine tuned racing spring kit! This kit was designed for the daily driver and also the racer in mind. These springs deliver the optimal seat pressure the Ultra cylinder heads need. These springs are 56 pounds at the seat and 171 at full lift. Full lift is 0.385". Kawasaki valves are well known for dropping, almost always from inadequate spring pressure. Stock springs can over rev and float as early as 7000 RPM! The additional pressure keeps these valves synchronized precisely to the beat of the engine at any given RPM up to 9,000 RPM. We are extremely pleased with this kit, and we know you will be also! For 15F/SXR/Ultra LX, please choose 250/260 upgrade kit.

Kawasaki Ultra 250x 260x 300x 310x Cylinder Head Parts

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