S&S Cycle SS33-4253 Standard Steel Rotary Breather Gear Kit w/Shims for Big Twin 48-Early 77 • Height from hood at

• Height from hood at flip (in front of driver/passenger): 11

42446-87 & 42452-87A

Model Fitment: FXST/B/S Softail Standard (06-09) & FLSTF/B/S Fat Boy (07-17)

* Performance Machine 125x4SL Caliper

S&S Cycle SS33-4253 Standard Steel Rotary Breather Gear Kit w/Shims for Big Twin 48-Early 77 • Height from hood atBreather gear kit for 1948 early 1977 big twin. Standard size replacement for use in cases where original breather gear hole has not been modified. Kit comes with standard size breather gear and one of each of the following shims: . 100", . 110", . 120", . 130", . 140", . 150", . 160" and . 170" to properly set breather gear spacing.