41-49 mm manifold intake adapter, aluminum - Mikuni HSR42 or OEM CV carb to OEM style 2-bolt manifold with 70mm mount bolt spacing 510411 with main jet 150

with main jet 150

For best results LePera advises to use the 10-up XL seat for 10-up XL model years

Adapter only for use on fine-spline sprocket shafts Note: Use with 979426 sprocket shaft bearing installer tool

12-16 FLD Dyna

Fat Boy S 2016 up

41-49 mm manifold intake adapter, aluminum - Mikuni HSR42 or OEM CV carb to OEM style 2-bolt manifold with 70mm mount bolt spacing 510411 with main jet 15041mm I. D. (manifold flange side) 49mm I. D (carb side) With 8mm threaded mount holes, 70mm center to center. Lets you mount a Mikuni HSR42 or a OEM CV carburator to any OEM style 2 bolt manifold with 3 5 16" (7cm) center to center mounting holes.