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KX450F Parts and AccessoriesKawasaki KX450F Parts and Accessories

This page is dedicated to KX450F Parts and Accessories. If you are looking for performance you have come to the right place! We carry pistons, valves, fuel controllers, intake kits, clutches, and so much more. We also specialize in many performance modifications and services. We offer porting, 3 or 5 angle valve jobs, dyno tuning, and even complete motor building services. So if you dont see it here then give us a call or email us.

Description Price Photo
Shop-Product-Title-KAW
KX450F Head Porting – CT Racing has done significant amounts of flow bench and dyno testing to offer you the best port layout for your KX450F. We highly recommend getting a valve job at the same time the head is being ported. Our CNC valve job ties in with the port work to offer extremely effective flow numbers. $350.00 450R Ported Head
KX450F 3 Angle Valve Job – Quality valve job. $144.00 450R 3 Angle Head
KX450F 5 Angle Radius Race Valve Job – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the useable power curve. $192.00

LB-023 Valve job (4 valve) 5 angle performance radius valve job.

KX450F 5 Angle Radius Race Valve Job for +1mm Exhaust Valves – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the useable power curve. The 5 angle valve job really shines on big valves as the seat diameter is opened up all the way into the aluminum casting, blending to the port work. Adding +1mm valves to a modified engine package helps the mid to top-end horsepower. Most aftermarket hi compression pistons are clearanced for +1mm valves. $216.00 450R +1mm Head
KX450F 5 Angle Radius Race Valve Job for +1 or +2mm Intake & Exhaust Valves – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the useable power curve. The 5 angle valve job really shines on big valves as the seat diameter is opened up all the way into the aluminum casting, blending to the port work. Adding +1 or +2mm valves to a modified engine package helps the mid to top-end horsepower. Most aftermarket hi compression pistons are clearanced for the bigger valves. $240.00
Split 4 Stroke Cases, Inspect Crank & Trans, & Reassemble $475.00
Disassemble & Reassemble 4 Stroke Top-end (from bottom-end only) $250.00
Disassemble Head, Clean Ports, Prep, & Reassemble $75.00
Rebuild 4 Stroke Crankshaft (labor only) $125.00
Engine-Product-Title-KAW
’06-’14 KX450F JE Hi Performance Piston Kit 96mm – Available in 12.8:1 and 13.5:1 Comp Ratios. $201.03  $180.93buynow JEPistons
’06-’14 KX450F JE Hi Performance Piston Kit 98mm 469cc – Available in 12.8:1 Comp Ratio. $201.03  $180.93buynow JEPistons
’06-’08 KX450F Vertex Hi Performance Piston Kit 96mm – Available in 12.5:1 and 13.1:1 Comp Ratios. $174.89buynow Vertex-4-Stroke-Piston-Kit
’09-’12 KX450F Vertex Hi Performance Piston Kit 96mm – Available in 12.5:1 and 13.5:1 Comp Ratios. $174.89buynow Vertex-4-Stroke-Piston-Kit
’13-’14 KX450F Vertex Hi Performance Piston Kit 96mm – Available in 12.5:1, 13.6:1, and 13.8:1 Comp Ratios. $174.89buynow Vertex-4-Stroke-Piston-Kit
Cometic Top-end Gasket Set – Select model and bore size. Available in 96mm and 98mm. $69.14  $62.25buynow GA-C3286-EST-TRX700XX
Hot Rods Connecting Rod– Select make and model. Available in stock stroke ONLY. $159.95  $127.95buynow hot_rods_connecting_rods
’07-’08 KX450F Hot Rods Heavy Duty Crank – Available in Stock Stroke or +3mm Stroker. Main bearings not included. $354.95  $283.95buynow Hot Rods Cranks
’09 KX450F Hot Rods Heavy Duty Crank– Available in Stock Stroke or +3mm Stroker. Main bearings not included. $349.95  $279.95buynow Hot Rods Cranks
’10-’15 KX450F Hot Rods Heavy Duty Crank– Available in Stock Stroke. Main bearings not included. $339.95  $271.95buynow Hot Rods Cranks
’07-’08 KX450F Hot Rods Heavy Duty Complete Bottom End Kit– Available in Stock Stroke or +3mm Stroker. This kit includes main bearings, seals, gaskets, and crank. $539.95  $431.95buynow hot_rod_bottom_end_kit
’09 KX450F Hot Rods Heavy Duty Complete Bottom End Kit– Available in Stock Stroke or +3mm Stroker. This kit includes main bearings, seals, gaskets, and crank. $575.95  $459.95buynow hot_rod_bottom_end_kit
’10-’13 KX450F Hot Rods Heavy Duty Complete Bottom End Kit– Available in Stock Stroke. This kit includes main bearings, seals, gaskets, and crank. $569.95  $455.95buynow hot_rod_bottom_end_kit
’09-’14 KX450F Hot Cam Intake Camshaft – Available in Stage 1 and Stage 2. $240.95  $204.95buynow hot-cam-stock-photo
’09-’14 KX450F Hot Cam Exhaust Camshaft – Available in Stage 1 and Stage 2. $263.95  $224.95buynow hot-cam-stock-photo
KX450F Del West Titanium Intake Valves – Available in Standard. $165.00  $139.95eabuynow Del_West_Valves
KX450F Del West Titanium Exhaust Valves – Available in Standard. $165.00  $139.95eabuynow Del_West_Valves
KX450F CV4 Hi Performance Racing Valve Spring Kit – Intake or Exhaust Available $69.95buynow CV4_Valve_springs
Clutch-Product-Title-KAW
Hinson Racing Clutch Kit – Includes Fibers, Steels, & Springs $199.99  $170.00buynow Hinson-Clutch-Kits
Controls-Product-Title-KAW
Fasst 1-1/8″ Flexx Bars – These are the best off road bars money can buy. Bars come with three different elastomers to get the proper cushioning for your type of riding along with a cross bar pad in your color choice of blue, grey, or red. Please Note: 1-1/8″ bar mount kit is required.

$359.95

FASSTFlexBars2
Streamline Reflex Pro Pack with Clutch and Brake Lever – Available in Black, Blue, Red, and Orange. $199.99  $164.95buynow Streamline-Reflex-Pro-Set
ASV F3 Pro Pack with Clutch and Brake Lever – Available in Black, Blue, or Red $164.95

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