570-339-5898

Honda CRF450R

Advanced Machining Services Honda CRF450 performance page. A vast array of OEM and aftermarket parts for your CRF450. Head kits, Cylinder kits, Engine kits, seats and guides replaced, cams, valves and spring kits, multi angle valve jobs, oversized valves installed, porting, big bore head mods., cylinder boring/honing, big bore kits. Advanced Machining Services, Honda CRF450 engine rebuilds, crank rebuilds, transmission repair. Box it up and ship it.

CRF450 Cylinder Kits

CRF450 Cylinder Kit

  • Hone cylinder
  • Wiseco Piston kit
  • JE & CP available
  • Top end gasket set
  • Gasket surfaces prepped
  • CYLINDER NO INCLUDED

Compression Ratio

11.5:1   $289.00
12.0:1  $299.00
12.5:1  $314.00
13.0:1  $329.00

CRF450 Nikasil Cylinder Kit

  • Nikasil cylinder
  • Wiseco Piston kit
  • JE & CP available
  • Top end gasket set
  • Gasket surfaces prepped
  • CYLINDER NO INCLUDED

Compression Ratio

11.5:1   $429.00
12.0:1  $449.00
12.5:1  $454.00
13.0:1  $479.00

CRF450 Big Bore 500 Cylinder Kit 11.6:1 $849.00

  • Athena Nikasil cylinder
  • Athena Piston kit
  • Top end gasket set
  • +4mm 100mm bore
  • gasket surfaces prepped
  • CYLINDER INCLUDED

CRF450 Motor Jobs

Don’t want to dig into the motor, no problem, box it up and ship it. We’ll do the top end (head & cylinder) set valve lash, cam timing, install new piston kit add $249.00

To split the case (crank & transmission work) includes top end, add $475.00

CRF450 Stock Head Kit $399.00

  • Multi-angle valve job
  • 4 replacement OEM valves
  • new valve springs
  • valve guides checked
  • new valve stem seals
  • gasket surfaces prepped
  • HEAD NOT INCLUDED

CRF450 Hi-Performance Head Kit Stage I $929.00

  • Stage I porting
  • Stage I Hotcam
  • 4 Kibblewhite valves
  • Spring kit
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • gasket surfaces prepped
  • HEAD NOT INCLUDED

CRF450 Hi-Performance Head Kit Stage II $1029.00

  • Stage II porting
  • Stage II Hotcam
  • 4 Kibblewhite valves
  • Spring kit
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • gasket surfaces prepped
  • HEAD NOT INCLUDED
CRF450

CRF450 Top End Head Kits

CRF450 Stock  Head Kit $689.00

  • Multi-angle valve job
  • stock replacement OEM valves
  • new valve springs
  • valve guides checked
  • new valve stem seals
  • CYLINDER & HEAD NOT INCLUDED
CRF250_Top_End_kit

CRF250 Cylinder Kit 

  • Hone cylinder
  • Wiseco Piston kit
  • Top end gasket set
  • 12.9:1 compression
  • gasket surfaces prepped

CRF450 Top End kit Stage I $1219.00

  • Hone cylinder
  • Wiseco Piston kit
  • JE & CP available
  • Stage I porting
  • Stage I Hotcam
  • 4 Kibblewhite valves
  • Spring kit
  • Top end gasket set
  • Multi-angle valve job
  • new valve stem seals
  • valve guides checked
  • gasket surfaces prepped
  • CYLINDER & HEAD NOT INCLUDED
CRF250_Top_End_kit
hot cams
CRF250_Top_End_kit

CRF450 Top End kit Stage I I$1349.00

  • Wiseco Piston kit
  • JE & CP available
  • Stage II porting
  • Stage II Hotcam
  • 4 Kibblewhite valves
  • Spring kit
  • Top end gasket set
  • Multi-angle valve job
  • new valve stem seals
  • valve guides checked
  • gasket surfaces prepped
  • CYLINDER & HEAD NOT INCLUDED

Modern 2-strokes have a power valve feature. What this does is at low rpm’s it configures your exhaust port to give you maximum torque, and at high rpm’s it gives you maximum horsepower…the best of both worlds. Modern technology… you gota love it…Our service covers these components and assures proper piston to power valve clearance. Listed above you will see Power Valve Service. Your cylinder will be shipped to you with the power valve assembled. Wipe down the gasket surfaces with a clean cloth and your ready to assemble.

 

CR250 Top End Motor Kit

Ship motor to us to disassemble/assemble the top end add $85.00 to above prices.

Listed above is a selection of our more popular kits. You may have some of these parts, or, have some of this work done. We can custom tailor a kit to fit your specific needs. Give us a call for an estimate, and, Thanks for stopping by…hope to hear from you soon.

  • Aluminum Welding
  • Boring
  • Sleeving
  • 4 Stroke Specialist
  • Porting 2 & Stroke
  • Race Tech Suspension

EST 1986

Phone: 570-339-5898

Please leave a message with your name, area code and phone number.

Prices subject to change without notice.

SHIP ALL PARTS TO:
Advanced Machining Services LLC

5 Main St.
Mount Carmel, PA 17851

HOURS OF OPERATION
Monday thru Friday 9:00 to 5:30 EST
Saturday 9:00 to 1:00 EST

Building performance engines since 1986

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