640 Cam

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
• Made in the U.S.A.
• For large displacement engines (110"+) with 10.5 to 11.5:1 compression and smaller engines (96-107") with 11 to 12:1 compression
• Requires high-lift springs
• Less overlap and fast ramps build higher cylinder pressure
• Lower TDC lift makes installation easier
• Designed for use with hydraulic tappets
• Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.
• NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

Specs

• Product Name: Cam
• Type: Gear
• Application: Intake / Exhaust
• Grind: 640 Series
• Intake Lift at TDC: 0,222"
• Intake Open: 25 Degree
• Intake Lobe Centerline: 107,5 Degree
• Intake Close: 60 Degree
• Intake Lift: 0,640"
• Intake Duration: 265 Degree
• Exhaust Lift: 0,640"
• Exhaust Duration: 265 Degree
• Exhaust Lift at TDC: 0,192"
• Exhaust Open: 65 Degree
• Exhaust Lobe Centerline: 112,5 Degree
• Exhaust Close: 20 Degree
• Units: Each
• Riding Style: Street

Fitments