Head Quarters Twin Cam Camshafts

Head Quarters Twin Cams


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

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