Andrews Products Gear-Driven 37HG/G Grind Cam

Andrews Products Gear-Driven 37HG/G Grind Cam

Andrews Products grinds its cams with the help of a computer with cam design capabilities. This superior technology gives the utmost in both performance and reliability. Only the best alloy steel billets and heat-treating processes are utilized. Furthermore, the power in Harley’s Twin Cam engine can be made even more convincing when superior Andrews computer-designed high-performance cams are installed.

• Bolt-in cams have shown 80+ rear wheel HP
• Smooth idle with broad torque band
• Run best with low-restriction exhausts (2200-5800 rpm)
• Can be used with stock valve springs and tappets

Intake:
Open: 18 degrees
Close: 38 degrees
Duration at .053: 236 degrees
Duration at .020 valve lift: .272
Valve lift: .510
Lift at TDC: .174

Exhaust:
Open: 46 degrees
Close: 14 degrees
Duration at .053: 240 degrees
Duration at .020 valve lift: .276
Valve lift: .510
Lift at TDC: .140


**Note:

• All Andrews gear-driven cams require four-gear set for installation
• Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance
• 59G, 60G and 64G cams are for highly tuned engines and require the knowledge of an expert engine builder for proper setup and installation