K&n Bmw R500/r600 Twins 55-69

K&N High-Flow Performance Air Filter (BM-0100)

K&N BM-0100 Hi-Flow Drop in Air Filter for 1955-1969 BMW R500 R600 w/choke

K&N Engineering BM-0100 High Flow Replacement Part Air Filter

5-1/2" Chrome Air Cleaner Filter Housing Motorcycle Harley Twins Keihin Bendix

K&N E-3227 Conical Style High Flow Air Filter for 1989-2000 Harley EVO Big Twins

Harley air cleaner support fits CV carburetor or CV fuel injection Big Twins

2 Chrome Performance Air Filter Pods - 52mm - CB350 CB360 CB450 CB500T twins