Recognized HTML document

SIFTON BIG TWIN CAMS from www.cas4.com

For Identification check these applications:

1987-99 Evolution

1978-86 New Shovel & 1977 Low Rider

1970-77 Alternator Shovel

1966-69 Early Shovel

1948-65 Panhead

For 1948-84 Big Twins

PN No.

YEAR

CAM

DEGREES

@ .053

LIFT

TDC

TRAVEL

TO FREE

Side Kick (103) Cam, Is similar to 102 but with more top end power. Requires no head work to install, do not use with hydraulic tappets.

10-0611

L1977-84

103

Opens

Closes

Total

TDC

Coil Bind

Travel

Inlet

28°

57°

.390

.174

.420

.470

Exhaust

53°

27°

.390

.174

.420

.470

Shotgun (116) Cam combines the best features of the 102 and 103 cam. For electric start only, do not use with hydraulic tappets.

10-0618

1948-69

116

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0619

1970-76

Inlet

30°

55°

.400

.183

.430

.480

10-0620

1977-48

Exhaust

54°

26°

.400

.166

.430

.480

Aristocrat (102)Cam shows significant gain over stock, requires no head work to install. Fits 1948 and later, do not use with hyd tappets.

10-0600

1948-69

102

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0601

1970-E77

Inlet

32°

56°

.412

.200

.440

.490

10-0602

L1977-84

Exhaust

.412

.185

.440

.490

Avenger (109) Cam performs best in 86" and 93" motors with 4-Speed

10-0603

1948-69

109

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0604

1970-E77

Inlet

32.5°

50°

.440

.211

.470

.520

10-0605

L1977-84

Exhaust

58.5

30°

.440

.200

.470

.520

Cobra (112) Cam features ease of installation and increase of power in the 2500-5000 RPM range. Works best in motors up to 86". Works with hydraulic or solid lifters.

10-0663

1948-69

112

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0664

1970-E77

Inlet

28°

45°

.440

.200

.470

.520

10-0665

L1977-84

Exhaust

53°

25°

.440

.179

.470

.520

Crusader (107)Cam is a good cam for low end and mid range and is designed to be used with hydraulic lifters.

10-0667

1948-69

107

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0668

1970-E77

Inlet

29°

54°

.440

.192

.470

.520

10-0669

1977-84

Exhaust

53°

25°

.440

.164

.470

.520

Silencer (107)Cam has excellent power and good torque in the low end in large motors. For 1948 and later, do not use with hyd. tappets.

10-0612

1948-69

107

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0613

1970-E77

Inlet

28°

45°

.440

.200

.500

.550

10-0614

1977-84

Exhaust

55°

28°

.468

.210

.500

.550

Equalizer (105)Cam develops outstanding top end performance with excellent mid range and good low end. For motors 1948 and later, do not use with hydraulic tappets. In 1948-65 motors, the ignition drive gear must be altered to accommodate the high lift of the cam.

10-0615

1948-69

105

Opens

Closes

Total

TDC

Coil Bind

Travel

Inlet

25°

60°

.475

.190

.505

.555

Exhaust

63°

23°

.475

.175

.505

.555

Magnum (108)Cam is a high performance cam for very fast street bikes and drag racing inlarge stocked motors. In 1948-65 motorsthe ignition drive gear must be altered to accommodate the high lift or the cam.

10-0606

1948-69

105

Opens

Closes

Total

TDC

Coil Bind

Travel

10-0607

1970-E77

Inlet

34°

65°

.485

.214

.515

.565

10-0608

L1977-84

Exhaust

66°

34°

.485

.240

.515

.565

Viper (146 Ev) 495 Cam delivers excellent performance throughout the RPM range. Bolt in street cam with first open and close ramps. For 1987-99 Evolution

10-8182

1987-1999

495

Opens

Closes

Total

TDC

Coil Bind

Travel

Inlet

20°

36°

.495

.236

Exhaust

44°

16°

.495

.240