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                    Pro Twin 107" Sport Touring Performance Package
  
          
                              
                                           
              
          Personalization
          
							* denotes required field 
								How do you prefer to handle your core heads and cyls?*
							 
								What color is your engine?*
							 
						 
         
                  
      
							 * Whole number only
						               
                 
		      
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                	 Item Number: PTB-107-ST 
                      	
                               
      	    Manufacturer Part No: PTB-107-ST 
    	           
                                For use with 2007-current models with 4 3/8" stroke crankshafts. Can be used with 1999-2006 models with installation of 4 3/8" stroke crankshaft. Can be built by boring your stock cylinders.  No casework is necessary. 
  
  
110-120hp | 115-125ftlbs | 40+mpg 
  
  
This Premium Performance Package includes: 
  
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All parts and labor for complete headwork 
    
      
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Heads are fully ported and blueprinted to Pro Twin standards 
            New 1.900" intake and 1.570, 1.610, or 1.625" high tuliped valves 
            Custom fit manganese bronze valve guides 
            Fully radiused valve job 
            High performance/heavy duty dual coil valve springs with titanium retainers 
            Viton valve stem seals 
            Calibrated valve seat pressures 
            Machined for 1 manual compression release per head 
            Compression releases  
      
  
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Head gaskets   
  
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Cylinder boring and honing - custom fitting pistons  
  
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Lightweight forged pistons  
  
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chain drive cams  
  
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Ez install pushrods and conversion tubes  
  
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Premium lifters  
  
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Top end gasket set (you will need to purchase your cam cover and oil compartment related o-rings seperately unless you are purchasing gear drive install kit)  
  
            
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Product Reviews
  
    
	  | (28 Ratings, 1 Review) | 
	  
		
		  Average Rating: 
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		This Kit Rocks!!!
		
		  Mitch Girrard
		  (Mobile, AL)		
		  1/6/2010 9:46 PM
		 		
		Hey Head Quarters!  I've had kits from several companies, as big as 117" and none of them compare to this.  Great bargain and value for the price...over 120ft/lbs of torque and faster than my buddy's 120" crate motor.  Just wanted to tell Kevin thanks for all his help.  Great job guys! 
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