HPi’s popular cable driven units for 2001-2005and 2006-2017 Big Twin/Twin Cam Harley-Davidson motorcycles *excluding 2001 Touring models. Includes throttle body, manifold, flanges and seals. Stock bolt pattern and location, fully compatible with all factory OEM electronics and cruise control. Designed as a two piece unit, where the manifold bolts to the throttle body allowing for the option to only have to purchase a new intake manifold if upgrading head work at a later build stage. Manifolds can be sold separately by calling in. The intake port diameter size is the opening measurement where the manifold bolts to the cylinder head.

51mm, 55mm and 58mm throttle body sizes available with fully CNC ported intake runner diameters for 1.660 (stock), 1.710, 1.730, 1.760 and 1.800 dimensions.

There is a $200 refundable core charge that will be refunded once we receive your core after you receive the new one. Please return within 2 weeks of receiving the new throttle body.