Andrews Camshafts Andrews TW21 Series Grind Chain Drive Cams Shaft Harley Twin Cam 99-06 .498 Lift

Andrews TW21 Series Grind Chain Drive Cams Shaft Harley Twin Cam 99-06 .498 Lift

Designer: Andrews

$399.95
$399.95
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SKU 288121
Free delivery to the Lower 48 States
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PART # 288121

Andrews TW21 21 Series Chain Drive Grind Cams Kit

Fits Harley 1999-2006 Twin Cam Models (EXCEPT 2006 DYNA GLIDE)

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.

Cams work well with fuel injection or carburetor models

Run best with low restriction exhausts (1700-5200 rpm)

Bolt-in cam for more torque with stock compression

Can be used with stock valve springs and tappets

Similar to the EV-23 cam

Chain Driven Cams: 00-06 model cams use a splined cam drive sprocket. These cams will fit in the 1999 Twin Cam motor, but the splined cam drive sprocket OEM #25716-99 or DS-199175 must be used.
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.

Notes:
Runs best with low restriction exhausts (1700-5200 RPM)
Can be used with stock valve springs and tappets

Grind: 21 Series
Intake Lift at TDC: 0,134"
Intake Open: 10°
Intake Lobe Centerline: 100°
Intake Close: 30°
Intake Lift: 0,498"
Intake Duration: 255°
Exhaust Lift: 0,498"
Exhaust Duration: 264°
Exhaust Lift at TDC: 0,121"
Exhaust Open: 41°
Exhaust Lobe Centerline: 106°
Exhaust Close: 8°