What is Head-Quarters USA?
Head-Quarters began in 1969 with Doug Coffey and a vision. Since then, the demand for Doug's special blend of high performance and dependibility has been overwhelming. Head-Quarters USA was established in order to better serve the needs of retail customers in the US. Nothing else has changed...same great products by the same great company. Welcome to Head-Quarters USA.Cylinder Volumes
WE HAVE INCLUDED THIS PAGE TO HELP YOU WITH YOUR ENGINE MATH. EACH VOLUME IS FOR ONE CYLINDER. YOU CAN USE THIS INFORMATION TO CALCULATE COMPRESSION RATIOS OR FIND OUT THE ACTUAL VOLUME OF YOUR ENGINE IN CUBIC CENTIMETERS.
|
TWIN CAM ENGINE | ||||
|
Engine Size |
Brand |
Bore |
Stroke |
Volume |
|
88 CI |
Harley-Davidson |
3.750” |
4.0” |
724 CC’s |
|
95 CI |
Harley-Davidson |
3.875” |
4.0” |
773 CC’s |
|
103 CI |
Harley-Davidson |
3.875” |
4.375” |
846 CC’s |
|
106 CI |
S&S Cycle Inc. |
3.875” |
4.5” |
870 CC’s |
|
116 CI |
S&S Cycle Inc. |
4.0” |
4.625” |
952 CC’s |
|
124 CI |
S&S Cycle Inc. |
4.125” |
4.625” |
1013 CC’s |
|
EVOLUTION ENGINE | ||||
|
Engine Size |
Brand |
Bore |
Stroke |
Volume |
|
80 CI |
Harley-Davidson |
3.498” |
4.25” |
669 CC’s |
|
88 CI |
S&S Cycle Inc. |
3.625” |
4.25” |
719 CC’s |
|
89 CI |
S&S Cycle Inc. |
3.498” |
4.625” |
729 CC’s |
|
93 CI |
S&S Cycle Inc. |
3.625” |
4.5” |
761 CC’s |
|
95 CI |
Sputhe |
3.780” |
4.25” |
782 CC’s |
|
96 CI |
S&S Cycle Inc. |
3.625” |
4.625” |
782 CC’s |
|
97 CI |
Axtel Sales |
3.812” |
4.25” |
795 CC’s |
|
98 CI |
S&S Cycle Inc. |
3.625” |
4.75” |
803 CC’s |
|
103 CI |
S&S Cycle Inc. |
3.625” |
5.0” |
846 CC’s |
|
106 CI |
Axtel Sales |
3.812” |
4.625” |
865 CC’s |
|
107 CI |
S&S Cycle Inc. |
4.0” |
4.25” |
875 CC’s |
|
113 CI |
S&S Cycle Inc. |
4.0” |
4.5” |
927 CC’s |
|
114 CI |
Axtel Sales |
3.812” |
5.0” |
935 CC’s |
|
124 CI |
S&S Cycle Inc. |
4.125” |
4.625” |
1,013 CC’s |
|
EVOLUTION SPORTSTER ENGINE | ||||
|
Engine Size |
Brand |
Bore |
Stroke |
Volume |
|
883 CC’s |
Harley-Davidson |
3.0” |
3.812” |
441.5 CC’s |
|
1200 CC’s |
Harley-Davidson |
3.498” |
3.812” |
601 CC’s |