Manifold Outlet Diameter: 26 mm (22 mm inner)
Manifold Bolt Eye-Eye: 48 mm
Manifold Bolt Diameter: 6.5 mm
Air Filter Outlet Diameter: 38 mm
Fitment : Suitable for any 110 cc, 125 cc, 140 cc of  thumpstar, DHZ, Pitpro, Atomik, Pitpro  engines with matching measurment
Will work with but not limited to the following Honda models:
XR100, XR100R, CB125, XL125S, TRX250, and TRX 250EX

Package included:
1x Carburetor 
1x Air Filter