Paughco Boardtrack Frames STF 203C Shoulder bolt for 1937–up

203C Shoulder bolt for 1937–up hand shift and 1951–1966 footshift Big Twins (OEM 33878-51)

1-1/4" Constant-Diameter Apehangers will fit the following models that were equipped with 1-1/4"-diameter risers from the factory:

Special Note for Paughco #142SP :

These tanks also have internally threaded bungs on the right-side for 3/8" NPT aftermarket or HD petcocks

On Sportsters

Paughco Boardtrack Frames STF 203C Shoulder bolt for 1937–upThese frames were originally designed by US Choppers for their unique Boardtrack Platform project. The single cradle design and low slung weight permits incredible lean angles. And having the motor weight pushed forward, enables aggressive riding into corners, while the centered drivetrain gives perfect balance and lean symetry. These frames will accomodate any pre Twin Cam Harley style engine up to 124 cubic inches including Indian PowerPlus engines,