Andrews

Andrews Conversion Chain Driven Cams for Harley 99-06 Harley Twin Cam Models

  • Sale
  • Regular price $263.03


Allow you to upgrade your 99-06 Twin Cam (except 06 Dyna Glide) to the newer roller-style cam chains and replaces the spring tension cam chain adjusters with the later-style hydraulic adjusters for longer life
Cam grinds listed are designed to be used with stock lifters; they require the installation of a 07-17 cam plate, oil pump, cam sprockets and chains, and both hydraulic chain adjusters (these parts are not included and must be purchased separately)
A list of required components is supplied with each set of cams
Performance should be similar to earlier bikes with the same cam grinds
Made in the U.S.A.
 
21N Series Cams
Can be used with stock valve springs and tappets
Bolt-in cams with more torque at low and middle rpm range (1700-4800 rpm)
Similar to EV23 for heavy bikes
Ideal for heavy bikes with stock compression ratios and stock pistons
Open Close

Duration

@ .053"

Duration

@ .020"

Valve Lift Lift  TDC
Intake 10 30 220 255 .498" .134"
Exhaust 40 08 228 264 .498" .121" 
 
37N Series Cams 
Run best with low-restriction exhausts (2200-5800 rpm)
Smooth idle, broad torque band
Can be used with stock valve springs and tappets
Bolt-in cams for 88" or 95" motors
Open Close

Duration

@ .053"

Duration

@ .020"

Valve Lift Lift TDC
Intake 18 38 236 272 .510" .174"
Exhaust 46 14 240 276 .510" .148"