O.S. Valve Spring Intake FS-120 Surpass

Tower Stock# LXCW95  •  Manufacturer Stock# 45560210
O.S. Valve Spring Intake FS-120 Surpass (large view)
Regularly Purchased Together
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.

Notes from our tech department:
This is the replacement Valve Spring (Intake) for the following OS engines:
FS120 Surpass II with pump
FS120 Surpass w/o pump
FS120 Surpass


1-Spring (metal)


Length: 20mm
Inside Diameter: 6mm


This part seats onto the cylinder head
The Spring included is the longer of the two Valve Springs .

Parts Compatibility
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