Harley Davidson Sportster 1991 – 1999 and Buell Andrews N4 grind Cams. This is a high performance bolt in cam set for Harley Davidson Evo Sportster. This is an easy way to increase Horsepower and Torque.
- Andrews N4 cams for 1991 – 1999 Harley Davidson Evolution Sportster and Buell
- These cams are rated for Street, Drags
- Fits stock or modified 883, 1100 or 1200 engines
- More duration and lift means extra power thru rpm range.
- Slightly higher idle speed but Stock springs and hyd. lifters are recommended.
- 2000 – 6000 rpm range.
- N4 grind
- Duration at .053 of 256
- Valve lift of .490