S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1984-'99

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

Cams For 1984–'99 Big Twin Engines Cam Name

Part #

OES

330-0290

508

330-0093

510V

33-5124

33-5124

520

33-5073 USA

1,2

561

33-5076

585V

33-5109

600

33-5058

631

33-5080

640 33-5108 NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

33-5124

S&S Cam Specifications For 1984–'99 Big Twin Engines

Valve Timing Open/Close

Valve Duration

Lift @ TDC

Spring Spacing Required

Tappet Type Required

Intake

Exhaust

Cam Name

Valve Lift

Intake

Exhaust

Intake

Exhaust

Open BTDC/Close ABDC

Open BBDC/Close ATDC

OES 508

2 0°/34 0°

36 0°/4 0°

216 0°

220 0°

495" 508" 510" 520" 546" 560" 585" 600" 630" 640"

0 060"

0 060"

No No No Yes Yes Yes Yes Yes Yes Yes

Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic

11°/25° 20°/38° 0°/40° 5°/55° 32°/40° 20°/45° 20°/55° 34°/61° 25°/60°

50°/5° 52°/20° 50°/2° 52°/5° 50°/26° 60°/20° 60°/20° 66°/29° 65°/20°

217° 238° 220° 240° 252° 245° 255° 275° 265°

235° 252° 232° 237° 256° 260° 260° 275° 265°

141" 187" 086" 126" 252" 186" 192" 281" 222"

110" 178" 094" 106" 210" 180" 184" 221" 192"

510V

520 546 561 600 631 640

585V

Solid or Hydraulic

Hydraulic

*Emissions cams front and rear do not have identical timing. Negative values are due to special timing for reduced emissions.

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