Weight: 5.01
A camshaft upgrade is the most logical step after air filter, exhaust, carburetor, and ignition system improvements have been made. It will improve mid and upper-end power. All camshafts listed are ground with stock size base circle and can be used with stock push rods. Instructions included.
Cam Specifications - with stock 1.43:1 rocker arm ratio
Cam Grind | Valve Timing | Duration @ .053" | Duration @ .020" | Valve Lift | Overlap @ .053" | Lobe Centerline | Lobe Separation Angle | TDC Lift at Valve |
Q stock (76/85) |
10/32 35/07 |
222 222 |
262 262 |
.400 .380 |
17 |
101 104 |
102.5 |
.114 .114 |
Y |
35/47 53/29 |
262 262 |
310 310 |
.425 .425 |
64 |
96 102 |
99 |
.206 .182 |
V9 |
32/52 52/32 |
264 264 |
311 311 |
.490 .490 |
64 |
100 100 |
100 |
.207 .207 |
Cam Specifications - with stock 1.625:1 rocker arm ratio
Cam Grind | Valve Timing* | Duration @ .053" | Duration @ .020" | Valve Lift | Overlap @ .053" | Lobe Centerline | Lobe Separation Angle | TDC Lift at Valve |
D stock (88-91) |
02/41 41/02 |
223 223 |
270 270 |
.458 .458 |
04 |
109.5 109.5 |
109.5 |
.094 .094 |
V2 N2 |
22/38 46/18 |
240 244 |
290 290 |
.465 .440 |
40 |
98 104 |
101 |
.180 .155 |
N4 |
52/24 |
256 |
296 |
.490 |
54 |
104 |
101 |
.189 |
N8 |
56/28 |
264 |
302 |
.500 |
60 |
104 |
100 |
.212 |
* timing listed for .053 lift figures.
Street 900/1000: Great mid-range and upper end power. Biggest cam available for no head work installation. Can use stock springs, need 9:1 or higher compression, 1982 engines may require spring spacing. Special requirements: bolt-in. Power range: 2000/7000 RPM. Grind: Y. Fits Ironhead Sportster 1971/1980
By: ANDREWS PRODUCTS INC
Not legal for sale or use in California, or on any pollution controlled vehicles.