Head Quarters Twin Cam Camshafts
Cams for all 2007 and later models including 2006 Dyna
Compression Ratio
| Stock | 9.5:1 | 10:1 | 10.5:1 | Higher | |
|---|---|---|---|---|---|
| 95 | HQ-TC-500-HC | HQ-TC-525-HC | HQ-TC-575-HC | HQ-TC-575-HC | HQ-TC-600-HC |
| 96 Stock | HQ-TC-500-HC | HQ-TC-525-HC | HQ-TC-525-HC | HQ-TC-525-HC | |
| 98 | HQ-TC-575-HC | HQ-TC-575-HC | HQ-TC-600-HC | ||
| 103 | HQ-TC-525-HC | HQ-TC-575-HC | HQ-TC-575-HC | HQ-TC-600-HC | |
| 107 | HQ-TC-525-HC | HQ-TC-575-HC | HQ-TC-575-HC | HQ-TC-600-HC | |
| HQ 110 | HQ-TC-575-HC | HQ-TC-575-HC | HQ-TC-600-HC | ||
| SE 110 | HQ-TC-500-HC | HQ-TC-500-HC | HQ-TC-525-HC | HQ-TC-525-HC | HQ-TC-600-HC |
| 113 | HQ-TC-575-HC | HQ-TC-600-HC | |||
| 120 | HQ-TC-575-HC | HQ-TC-600-HC | |||
| Larger | HQ-TC-575-HC | HQ-TC-600-HC |
Cams (Chain driven) for 1999 to'06 models except '06 Dyna
Compression Ratio
| Stock | 9.5:1 | 10:1 | 10.5:1 | Higher | |
|---|---|---|---|---|---|
| 88 Stock | HQ-0034 | HQ-0034 | HQ-0034 | ||
| 95 | HQ-0034 | HQ-0039 | HQ-0039 | HQ-TC-575 | HQ-0033 |
| 98 | HQ-0039 | HQ-TC-575 | HQ-0033 | ||
| 103 | HQ-0039 | HQ-TC-575 | HQ-0033 | ||
| 107 | HQ-0039 | HQ-TC-575 | HQ-0033 | ||
| HQ 110 | HQ-TC-575 | HQ-TC-575 | HQ-0033 | ||
| SE 110 | HQ-0034 | HQ-0034 | HQ-0034 | HQ-TC-575 | HQ-0033 |
| 113 | HQ-TC-575 | HQ-0033 | |||
| 120 | HQ-TC-575 | HQ-0033 | |||
| Larger | HQ-TC-575 | HQ-0033 |
Cams (Gear driven) for 1999 to '06 models except '06 Dyna
Compression Ratio
| Stock | 9.5:1 | 10:1 | 10.5:1 | Higher | |
|---|---|---|---|---|---|
| 88 Stock | HQ-0034-G | HQ-0034-G | HQ-0034-G | ||
| 95 | HQ-0034-G | HQ-0039-G | HQ-0039-G | HQ-TC-575-G | HQ-0033-G |
| 98 | HQ-0039-G | HQ-TC-575-G | HQ-0033-G | ||
| 103 | HQ-0039-G | HQ-TC-575-G | HQ-0033-G | ||
| 107 | HQ-0039-G | HQ-TC-575-G | HQ-0033-G | ||
| HQ 110 | HQ-TC-575-G | HQ-TC-575 | HQ-0033 | ||
| SE 110 | HQ-0034-G | HQ-0034-G | HQ-0034-G | HQ-TC-575-G | HQ-0033-G |
| 113 | HQ-TC-575-G | HQ-0033-G | |||
| 120 | HQ-TC-575-G | HQ-0033-G | |||
| Larger | HQ-TC-575-G | HQ-0033-G |