CAM AND GEAR SETS FOR SPORTSTER
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 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 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 |
Mid-USA Part Number: 66891
UOM: EA
CAM AND GEAR SETS FOR SPORTSTER 66891
- Brand: Mid-USA
- Product Code: 66891
- Availability: In Stock
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$496.70