S&S CYCLE Camshaft - 561 - Evolution Big Twin '84-'99

Features

• S&S Cams are tested on the dyno, street and track before being offered to the public
• With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce
• For 80"-96" engines at 9.5:1-10.5:1 compression ratio
• Provides strong midrange power, 3000-5500 rpm
• Works with hydraulic tappets
• Requires high-lift springs
• Spring spacing required
• Made in the USA

Notes

• Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.

CALIFORNIA WARNING: 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.

Specs

Product Name	Camshaft
Type	Gear
Application	Exhaust / Intake
Grind	561 Series
Intake Lift	0.560"
Intake Open	32°
Intake Close	40°
Intake Duration	252°
Intake Lift at TDC	0.252"
Exhaust Lift	0.560"
Exhaust Open	50°
Exhaust Close	26°
Exhaust Duration	256°
Exhaust Lift at TDC	0.210"
Units	Each
Riding Style	Street