For best results use with:

• Stage IV or V Engine components
• 103ci & 110 use 0.040” Cometic Head Gasket
• Heavy Breather Intake + 58mm Manifold
• Retain Stage IV or V pushrods or use S.E. Premium tapered Adj Pushrods Part No.
• 17900032 or 18404-08
• S.E. Variable Pressure Clutch #37000121 with H.D. Clutch Spring 37951-98 or S.E.
• Performance Assist and Slip (A&S) Clutch Kit 37000026
• Area51Racing Duals or 2into1WMD Exhaust
• Dyno Tune as needed – Set Idle timing at 12’ BTDC