Complete In House Machine Shop

Service and Hard Parts Specialists - Motorcycle - ATV

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Rebuild Kits Available for Most Popular Models

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Precision Cycle Works

818 Simcoe St. South

Oshawa, Ontario

L1H 4K6

TEL:  905-571-2448

FAX:  905-571-9731

Cylinder Head Rebuild Package

CRF 450R  2002-2008

CRF 450X  2005-2013

Rebuild Includes

 -Disassemble , Degrease

 -Soda Blast Combustion Chamber And Ports

 -Inspect Condition, Threads, Seats etc.

 -Install New Intake/Exhaust Guides and Size

 -Re-Cut Intake and Exhaust Seats

 -Prep Gasket Surfaces

 -Final Wash/Cleaning

 -Set-up Valve Spring Heights

 -Assemble

Parts Included 

Intake and Exhaust Valves

 -Premium One Piece Forged Stainless Steel Alloy

 -Black Liquid Nitride Coated For Increased Strength  And Wear Resistance

 -Design Engineered  for Maximum Airflow And Weight Reduction

Valve Guides

 -Manganese Bronze Alloy. Allows For Tighter Valve To Guide Clearance

  Resulting In Superior Heat Dissipation And Longevity

Valve Springs

 -High Performance "Stainless Conversion" Intake Spring Kit

 -New Honda OEM Exhaust Valve Springs

Valve Seals

 -Viton Compound , Higher Temperature Resistance

 $449.99*

$399.99* With Purchase Of Piston Kit And Top-End Gasket Set 

*Limited Time Offer, Taxes Extra

Supply us with your cam,cam holder,buckets and rocker assembly and

we will shim your head at NO CHARGE