S&S Cycle

2007–2017 big twins

CAMSHAFT OVERVIEW CON'T

Milwaukee-Eight ®

SPECIFICATIONS OF S&S® CHAIN DRIVE AND GEAR DRIVE CAMSHAFTS FOR 2007–17 BIG TWIN (EXCEPT 2017 TOURING MODELS)

APPLICATION CROSS REFERENCE CHART

Valve Timing (open/close) Valve Duration

Centerline

Lift @ TDC

96 ™ /103 ™ /110 ™

2007–2017 Twin Cam

Cam Name

Valve Lift

Intake

Exhaust

Most Fitting Application

Bolt-In

HD® Screamin' Eagle®

Intake Exhaust

Intake Exhaust Intake Exhaust

Andrews®

Open BTDC/ Close ABDC

Open BBDC/ Close ATDC

-9°/25°

42°/-3°

196°

219°

.474"

107°

112.5° .087"

.110"



OES

510

20°/38°

52°/20°

238°

252°

.510"

99°

106°

.187"

.178"



1999–2006 Twin Cam 88 ®

551**

17°/19°

41°/17°

216°

238°

.550"

91°

102°

.178"

.170"

SE-203/255

21H/26H

Touring



557

6°/27°

39°/12°

212°

231°

.557"

100°

103°

.113"

.146"

Tri-Glide®



Sportster ® & Buell ® Indian ® Models Street Rod ™

1986–2019

MR103

13°/33°

50°/22°

226°

252°

.585"

100°

104°

.172"

.177"



All big twin

570

20°/40°

55 °/20°

240°

255°

.570"

100°

107.5°

.187"

.179"

–

54H



Softail®/ Dyna®

583

5°/18°

58°/24°

203°

262°

.583" 96.5°

107°

.113"

.206"

SE-203/255

21H/26H



2014–2019 Street ® &

HP103

20°/49°

45°/26°

249°

251°

.575" 104.5°

99.5°

.199"

.206"



31H/32H/50H 55H/67H

All big twin All big twin

585

20°/45°

60°/20°

245°

260°

.585" 102.5°

110°

.186"

.179"

SE-21 1/251/257



625

20°/55°

60°/20°

255°

260°

.625" 107.5°

110°

.189"

.184"

SE-258/260

60H

635H.O.

19.5°/43.5° 58.5°/37.5° 243°

276°

.635"

102°

100.5° .186"

.284"

All big twin All big twin

640

25°/60°

65°/25°

265°

270°

.640" 107.5°

110°

.228"

.214"

SE-264

59H

675

25°/64°

70°/25°

269°

275°

.675" 109.5° 112.5° .235"

.205"

–

64H

**551 cams are not recommended with compression ratio of 10:1 or higher.

Tools & Shop Supplies

Warranty & Company Policy

Stock valve springs in 2005–up engines can accommodate valve lifts up to .590".

NOTE

Index

Appendix &

All reference to HD® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle’s products are original equipment parts or that they are equivalent to the corresponding HD® part number shown.

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