Performance STG4 Kit / Pro R 330hp SKU: 15-336-4

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SKU: 15-336-4 Black /
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$8,949.95 USD
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ADD up to 100 HP TO YOUR PROR

  • ALL NEW STAINLESS STEEL SLIP ON EXHAUST 
  • CLUTCH KIT WITH SNYPR WEIGHTS AND SPRINGS
  • CYCLONE CLUTCH COVER (COOLS BELT UP TO 30 DEGREES)
  • AIR EXTREME HEAD CNC PORTED HEAD
  • +1 OVER SIZED INTAKE VALVES AND +4 OVER SIZED EXHAUST VAVLES
  • CUSTOM TUNED .430 LIFT CAMS
  • OUR PERFORMANCE CLUTCH SPRINGS HOLD MUCH BETTER BELT TENSION THEN FACTORY
  • MORE RESPONSIVE FEEL
  • GAINS TOP SPEEDS AND LOW END POWER
  • MUST SEND IN ECU FOR TUNING
  • Must send in head for core exchange or buy out the head for 2400$
  • Head must include original cam keepers with numbers matching to head to be a valid exchange. Keepers are bored with the head and are a matching set. Non matching keepers turn head into paperweight.

  

 
Pro R HP ratings-
 
Stage 5 Race, Level 5 ECU tune, Air Extreme Big Valve Head (1mm intake 4mm exhaust CNCP head)/BMP.460 lift cams, BMP muffler - 331hp8975rpm / 202TQ@7050rpm

 

 

 

Steps for starting your Pro R stage 3 and above for the first time.

*** These steps are different than the service manual. Do not follow service manual steps ***

1. Roll the engine over by hand at least 10 revolutions clockwise when looking at it from the rear.
2. Check Cam timing to make sure it is correct
3. Make sure coolant and oil is at the correct level.
4. Start the engine and hold above 2000rpm until it reaches 170 degrees F.
5. Using the throttle drop rpm 50 rpm per 30 seconds until idle seems unstable. 
6. Stay at the unstable rpm until it becomes stable and then repeat step 5.
7. Once the machine is idling at 1450 stable with no throttle input let sit and idle for 10-15 minutes.
8. Your machine is now ready to ride.
9. On higher duration cams it is common to need to give a little throttle to start the vehicle this is completely normal.