561 camshaft

S&S camshafts are tested on test benches, on the road and on circuits before being offered to the general public
Thousands of hours of testing back each camshaft, so you can be sure you are buying the best camshaft S&S is capable of producing.
For engines with 10:1 compression ratio
Very good mid-range performance
Compatible with hydraulic lifters
Requires the use of high-lift springs.
Spring separation required
Made in the USA
During assembly, the solid height of the springs, the valve clearance, the clearance between the valves and the pistons, and the clearance between the cam lobe and the sump must be checked



Specifications


Brand
S&S CYCLE


Supplier reference
33-5076


Application
Exhaust, Intake


Intake closure
40°


Exhaust Clamp
26°


Intake duration
252°


Exhaust duration
256°


Intake valve lift
0,560"


Intake valve lift at TDC
0,252"


Exhaust valve lift
0,560"


Exhaust valve lift at TDC
0,210"


Product name
Camshaft


Type
Equipment


Units
Unit


Open intake valve
32°


Open Exhaust Valve
50°


Version
561 Series