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Pro Twin 107" Sport Touring Performance Package


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Price: $2,638.93
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:
  • All parts and labor for complete headwork
    • 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
  • Head gaskets
  • Cylinder boring and honing - custom fitting pistons
  • Lightweight forged pistons
  • chain drive cams
  • Ez install pushrods and conversion tubes
  • Premium lifters
  • 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)

Product Reviews

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(28 Ratings, 1 Review) Average Rating:
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!