Harley-Davidson

Twin Cam 88 Camshaft Specifications

Performance camshafts, stock cams, all major cam manufacturers, major distributors and some obscure companies are listed in the camshaft specification tables. The information in the camshaft specification tables can be sorted into several different orders to assist you in selecting the best cam for your bike. You can view the cams for a vendor or compare cams by the intake duration, intake lift or LSA.

Camshaft specifications for Andrews, Crane, Screaming Eagle, S&S, Bartel's, Carl's Speed Shop, Sifton, Head Quarters, Custom Chrome, V-Thunder, Rivera, Red Shift, Leineweber, Edlebrock, Woods, 3-Suns and others are listed in the information tables provided.

 
Manufacturer Cam Grind Bolt in ? Intake Open BTDC Intake Close ATDC Exhaust Open BBDC Exhaust Close ATDC Intake Duration Exhaust Duration Overlap Intake Lobe Center Exhaust Lobe Center Lobe Sep. Angle Intake Lift Exhaust Lift Intake Lift TDC Exhaust Lift TDC RPM Low RPM High Min. CID Maximum Estimated HP

HD Carbureted

A

Y

-02

38

36

04

216 220 02 110 106 108.0

0.473

0.473

0.072

0.110

 

 

 

62

HD Injected

B

Y

02

34

36

04

216 220 06 106 106 106.0

0.473

0.473

0.087

0.110

 

 

 

62

Andrews

TW21

Y

10

30

40

08

220 228 18 100 106 103.0

0.498

0.498

0.134

0.121

1700

5200

 

 

Andrews

TW26A

Y

11

35

41

09

226 230 20 102 106 104.0

0.490

0.490

0.129

0.112

1800

5500

 

 

Andrews

TW26

Y

09

37

43

07

226 230 16 104 108 106.0

0.490

0.490

0.129

0.112

1800

5500

 

 

Andrews

TW37

Y

12

42

48

12

234 240 24 105 108 106.5

0.510

0.510

0.151

0.140

2200

5800

 

 

Andrews

TW37B

Y

14

42

48

12

236 240 26 104 108 106.0

0.510

0.510

0.151

0.140

2200

5800

 

80+

Andrews

37G

Y

14

42

48

12

236 240 26 104 108 106.0

0.510

0.510

0.151

0.140

2200

5800

 

80

Andrews

TW44

Y

21

41

49

17

242 246 38 100 106 103.0

0.495

0.495

0.182

0.158

2400

6000

 

 

Andrews

44G

Y

21

41

49

17

242 246 38 100 106 103.0

0.495

0.495

0.182

0.158

2400

6000

 

 

Andrews

TW55

-

22

46

52

20

248 252 42 102 106 104.0

0.550

0.550

0.197

0.181

2600

6000

 

 

Andrews

55G

-

22

46

49

17

248 246 39 102 106 104.0

0.550

0.550

0.197

0.181

2600

6300

 

 

Andrews

TW50

-

20

48

54

18

248 252 38 104 108 106.0

0.510

0.510

0.184

0.168

2600

6000

 

 

Andrews

TW60

-

24

56

58

22

260 260 46 106 108 107.0

0.560

0.560

0.205

0.192

2400

6000

95

100

Andrews

59G

-

29

57

63

27

266 270 56 104 108 106.0

0.590

0.590

0.238

0.218

2400

6200

95

 

Andrews

64G

-

30

62

68

32

272 280 62 106 108 107.0

0.640

0.640

0.262

0.232

3000

6500

95

 

Crane

HTC-300-2

Y

13

33

42

14

226 236 27 100 104 102.0

0.505

0.505

0.147

0.152

 

5000

95

100

Crane

HTC-310-2

Y

20

36

47

15

236 242 35 98 106 102.0

0.505

0.505

0.185

0.157

1500

5500

 

 

Crane

HTC-290-2

-

18

42

46

22

240 248 40 102 102 102.0

0.570

0.570

0.173

0.198

1800

5800

 

 

Crane

HTC-316-2

Y

19

43

48

24

242 252 43 102 102 102.0

0.505

0.505

0.178

0.205

1800

5500

 

 

Crane

HTC-296-2

-

20

46

52

22

246 254 42 103 105 104.0

0.600

0.600

0.188

0.193

2000

6000

 

 

Crane

HTC-304-2

-

25

49

56

24

254 260 49 102 106 104.0

0.600

0.600

0.211

0.206

2000

6200

 

 

Edlebrock

1748

-

20

46

52

22

246 254 42 103 105 104.0

0.600

0.600

 

 

 

 

 

 

Head Quarters

HQ-0034

Y

20

36

51

19

236 250 39 98 106 102.0

0.500

0.500

 

 

 

 

 

 

Head Quarters

HQ-0039

-

20

38

52

20

238 252 40 99 106 102.5

0.580

0.530

 

 

 

 

 

 

Head Quarters

HQ-0033

-

19

47

52

24

246 256 43 104 104 104.0

0.600

0.530

 

 

 

 

 

 

Red Shift

557TC

-

16

46

48

14

242 242 30 105 107 106.0

0.557

0.557

0.161

0.146

 

 

 

 

Red Shift

577TC

-

25

46

53

22

251 255 47 101 106 103.0

0.577

0.577

0.217

0.198

 

 

 

 

Red Shift

657TC

-

21

52

58

16

253 254 37 106 111 108.3

0.657

0.657

0.180

0.162

 

 

95

 

Red Shift

627TC

-

29

54

58

28

263 266 57 103 105 103.8

0.627

0.627

0.245

0.211

 

 

95

 

S&S

510C

Y

20

38

52

20

238 252 40 99 106 102.5

0.510

0.510

0.187

0.178

3000

 

 

 

S&S

510G

Y

20

38

52

20

238 252 40 99 106 102.5

0.510

0.510

0.187

0.178

3000

 

 

 

S&S

570G

-

20

40

55

20

240 255 40 100 108 103.8

0.570

0.570

0.187

0.179

 

 

 

 

S&S

585G

-

20

45

60

20

245 260 40 103 110 106.3

0.585

0.585

0.186

0.179

 

 

 

 

S&S

625G

-

20

55

60

20

255 260 40 108 110 108.8

0.625

0.625

0.189

0.184

 

 

 

 

S&S

640G

-

25

60

65

25

265 270 50 108 110 108.8

0.640

0.640

0.228

0.214

 

 

 

 

Screamin Eagle

SE-203

Y

18

36

42

17

234 239 35 99 103 100.8

0.510

0.483

0.178

0.152

 

 

 

 

Screamin Eagle

SE-204

Y

22

34

52

08

236 240 30 96 112 104.0

0.508

0.508

0.208

0.129

 

5800

 

 

Screamin Eagle

SE-201

-

12

54

58

14

246 252 26 111 112 111.5

0.511

0.511

0.137

0.141

3500

6500

 

 

Screamin Eagle

SE-211

-

23

45

59

17

248 256 40 101 111 106.0

0.508

0.508

0.203

0.170

 

 

 

 

Screamin Eagle

SE-257

-

24

48

59

21

252 260 45 102 109 105.5

0.569

0.569

0.213

0.200

 

 

 

 

Screamin Eagle

SE-258

-

26

52

65

23

258 268 49 103 111 107.0

0.569

0.569

0.224

0.208

 

 

 

 

Screamin Eagle

SE-260

 

28

55

65

24

263 269 52 104 111 107.0

0.609

0.609

0.236

0.213

 

 

 

 

Woods

TW-6

Y

20

40

42

18

240 240 38 100 102 101.0

0.510

0.510

0.189

0.178

 

 

 

 

Woods

TW-6H

-

20

40

42

18

240 240 38 100 102 101.0

0.590

0.590

0.194

0.176

 

 

 

 

Woods

TW-8

-

19

47

49

17

246 246 36 104 106 105.0

0.590

0.590

0.183

0.176

 

 

 

 

Woods

TW-9B

-

22

50

52

20

252 252 42 104 106 105.0

0.630

0.630

0.208

0.191

 

 

 

 

Woods

TW-9F

-

24

52

54

22

256 256 46 104 106 105.0

0.650

0.650

0.220

0.201