THE ADVANTAGE OF USING ROLLER ROCKER ARMS.
       FREE POWER.
      INCREASES SMOOTH RPM, EASIER STARTING.
      INCREASES GAS MILEAGE.
      DECREASES  VIBRATION IN ALL RPM RANGES.
      DECREASES TOP END WEAR.
      DECREASES TOP END FICTION, STEM TO ROCKER ARMS
      AND STEM TO GUIDE  WEAR.
      ROLLER ROCKER ARMS WITH BUSHING FOR STREET AND
      HIGHWAY USES.
      ROLLER ROCKER ARM WITH NEEDLE BEARING FOR
      DRAG RACING MOTORCYCLE USES.
      MAINTENANCE JUST CHANGE OIL & FILTER REGULARLY.
 
      WHEN USING ADJUSTABLE PUSH RODS.
      THE ADVANTAGE IS ALL OF THE PUSHROD WILL HAVE
      THE SAME PRE LOAD ON HYDRAULIC LIFTER.
      USE PUSHROD THAT YOU CAN REMOVE AND INSTALL
      WITH OUT REMOVING ROCKER BOXES, IT WILL MAKES IT
      EASIER TO REPAIR PUSH ROD OIL LEAK AND EASIER TO
      CHANGE ACC, LIKE THE CAM COVER, CAM, TAPPET,
      TAPPET BLOCKS, BREATHER AND MAKE OIL PUMP
      REPAIRS.
      YOU SHOULD CHECK ADJUSTMENT ONCE A YEAR.

     WHEN USING AFTER MARKET  IGNITION  CRANE HI-4E.
     IT HAS COMPLETE ADJUSTMENT AND SETTING.
     CAN BE SET TO SINGLE FIRE, FIRE PLUGS ON THE
     COMPRESSION STROKE ONLY,  BETTER COIL AND FUEL
     SATURATION.
     EASIER STARTING, FREE POWER.
     ADJUSTMENT TO REAR CYLINDER TIMING.
     ADJUSTMENT TO ADVANCE SLOPE.
     FULL RPM ADJUSTMENT.

    WHEN INSTALLING A CARBURETOR.
    S&S SUPER E CARBURETOR KIT.
    COMPLETE ADJUSTMENT TO CARB.
    ADJUSTMENT TO GAS MILEAGE, POWER, ACCELERATION
    ADJUSTMENT TO IDLE, LOWER, MIDDLE, AND UPPER
    SPEED RANGE.
    BUY ONLY ONCE, LIFE TIME CARBURETOR, COMPLETE
    REBUILDABLE, FREE FUN.
    BIGGER MANIFOLD AND WEBBING

    INSTALLING A CAM.
    WHEN INSTALLING A CAM IN MID RANGE SIZE BIC, USE A CAM
    WITH MIDDLE & UPPER POWER RANGE.
    HEAVY BIC USE LOWER AND MID RANGE POWER CAM.

    INSTALLING A EX SYSTEM.
    WHEN USING STRAIGHT PIPE 1 3/4, INSTALL SOME KIND
    OF BAFFLE OR YOU WILL HAVE A POWER LOSS UP TO
    20 % AND ALL NOISE.
    INSTALLING 2" OR 2 1/4, USE POWER CONE AND OR SOME
    KIND OF BAFFLING.
    YOU NEED SOME AMOUNT OF BACK PRESSURE FOR
    SMOOTH POWER AND TOP PERFORMANCE.

    UPDATING A EARLY EV ENGINE 1990 AND EARLIER.
    WHEN CHANGING TO VENTED ROCKER BOXES AND
    MACHINE HEADS FOR LATE VENTS SYSTEM, ADD A
    KRANK VENT PLUS,  A ONE WAY CRANKCASE VENT.
 
    WHEN INSTALLING KRANK VENT PLUS.
    A ONE WAY CRANKCASE  VALVE.
    IT WILL HELP CONTROL INTERNAL AIR PRESSURE
    IN A ENGINE.
    VALUE CAN BE CLEAN OUT & REBUILD WITH STOCK
    EV PARTS.
    IT WILL MAKES A BIG IMPROVEMENT IN SOUND AND
    PERFORMANCE, IT WILL HELPS STOPS OIL LEAKS.

    WHEN INSTALLING DUEL PLUGS IN THE HEADS.
    IT WILL HAVE TWO FLAME FRONTS IN COMPRESSION
    CHAMBER.
    IT WILL MAKE IT RUN MORE ZIPPY.
    MORE POWER AND BETTER GAS MILEAGE.
    EASIER STARTING.
    YOU CAN DECREASE SPARK PLUG GAP, IT WILL
    HAVE MORE OF A INTENTS SPARK.
    YOU CAN RUN COOLER SPARK PLUGS, FOR HIGHWAY
    USE. CAN RUN A SMALLER CARBERATOR PILOT JET.