520 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.
Provides the best power at low and medium revs
Good performance on engines of any size with compression ratios up to 10:1
Compatible with hydraulic lifters
Requires the use of high-lift springs.
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
33-5073


Application
Exhaust, Intake


Intake closure
40°


Exhaust Clamp
2°


Intake duration
220°


Exhaust duration
232°


Intake valve lift
0,520"


Intake valve lift at TDC
0,086"


Exhaust valve lift
0,520"


Exhaust valve lift at TDC
0,094"


Product name
Camshaft


Type
Equipment


Units
Unit


Open intake valve
0°


Open Exhaust Valve
50°


Version
520 Series