Comp Cams Thumpr Hydraulic Flat Tappet Camshaft Complete Kit T-shirts Powered folding mechanism - Electrical

Powered folding mechanism - Electrical operation means no manual adjustment needed

Pick up a door-to-mirror gasket separately if yours is damaged or missing—it's a cheap way to keep water out

Models w/ Existing Roof Rails Only

Special lightweight adjusters and compact lap belt mounting hardware are used to keep weight to an absolute minimum

Comp Cams Thumpr Hydraulic Flat Tappet Camshaft Complete Kit T-shirts Powered folding mechanism - ElectricalBig Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit COMP Cams engineering team proudly introduces the Thumpr series cam and lifter kits. The lobe profile and grind characteristics of these new Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize the rough idling characteristics of the cams. This gives you a seriously aggressive exhaust