The 590C 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.
• Includes all gaskets, bearings, and hardware required for installation

Required for installation:

This cam requires Adjustable Pushrods and Heavy Duty Valve Springs. We recommend:

• 1401118 Quickee Adjustable Pushrods with Cover Keepers for 2017-up M8 Models
• 189627 Heavy Duty Valve Spring kit for 2017-up M8 Touring Models

Suggested:

• 1402919 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)
• 1401593 Tappet Cuffs for M8 Models

S&S® Camshaft Specifications:
Valve Timing:

Intake:

Open BTDC/ Close ABDC:  Front 15.6/43.7 Rear 20.2/53.6

Exhaust:

Open BTDC/ Close ABDC: Front 64.8/21.2 Rear 62.7/15.7

Valve Duration

Intake: Front 239.4/Rear 253.9

Exhaust: Front 266.1/Rear 258.4

Valve Lift:

Intake Front 0.59/Rear 0.59

Exhaust Front 0.59/Rear 0.59

Lobe Center Line:

Intake Front 104.1/Rear 106.7

Exhaust Front 111.7/Rear 113.5

Valve Lift @ TDC:

Intake Front 0.165/Rear 0.186

Exhaust Front 0.186/Rear 0.158

Disclaimer:

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.

(1) Camshaft

(1) Gasket

(1) Needle bearing

(2) O-Rings

Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.