The 590G cam was designed as an all out Horsepower Cam for 124 and larger engines. Big lift lets your big mill breathe high into the RPM range!
FEATURES & BENEFITS
- S&S 590 Cam - Designed for massive horsepower in 124 and larger engines
- 590 cam powerband is weighted to top end performance, peaking past the redline of a stock motor.
- Gear Drive Kits provide improved cam timing accuracy and eliminate the stock cam chain tensioner
- Gear Drive kits include outer Drive Gears
- Includes all gaskets, bearings, and hardware required for installation
Required for installation:
- This cam requires Adjustable Pushrods and Heavy Duty Valve Springs. We recommend:
- 930-0123 Quickee Adjustable Pushrods with Cover Keepers for 2017-up M8 Models
- 900-0958 Heavy Duty Valve Spring kit for 2017-up M8 Touring Models
Suggested:
- 330-0718 Precision Tappet Set Without HL2T Kit For 1999-'17 HD Big Twins, 2000-'20 HD® Sportster®, and 2017-up M8 Models (Tappets should be replaced every time that the cam is replaced)
- 330-0655 Tappet Cuffs for M8 Models
S&S® Camshaft Specifications |
| Cam | Cylinder | Valve Timing | Valve Duration | Valve Lift | Lobe Center Line | Valve Lift @ TDC |
| Intake | Exhaust | Intake | Exhaust | Intake | Exhaust | Intake | Exhaust | Intake | Exhaust |
| Open BTDC/ Close ABDC | Open BBDC/ Close ATDC |
| 590 | Front | 15.6/43.7 | 64.8/21.2 | 239.4 | 266.1 | 0.59 | 0.59 | 104.1 | 111.7 | 0.165 | 0.186 |
| Rear | 20.2/53.6 | 62.7/15.7 | 253.9 | 258.4 | 0.59 | 0.59 | 106.7 | 113.5 | 0.186 | 0.158 |
