268x13,1 1800 chassi # 7000 - 30 000 (mid 63-69)/Amazon mid 63 -70.
Amazon 4-d chassi 118304 -
Amazon 2-d chassi 14342 -
1-piece design. No core charge.
Outer diameter around outer wheelbearing is a little bit bigger so it can be a problem with some aftermarket aluminum wheels.