2PCS Stainless Adapters Reduce Sensor Ports Bungs 18MM To 12MM For Harley Plug

Bassani Adapter Reduce 02 O2 Sensor Port Bungs 18MM To 12MM Fit For Harley Plug

Chrome Stainless Adapters Reduce Sensor Ports Bungs 18MM To 12MM For Harley Plug

2Pcs Bassani Adapters Reduce Sensor Ports Bungs 18MM To 12MM Fit For Harley Plug

2PCS Stainless Exhaust Pipe Screw Adapters Reduce Sensor Ports For Harley Plug

Exhaust Springs 85mm x2.Ideal for expansion chambers.Micron,Allspeed,NIKON

O2 Sensor Plugs, 12 x 1.25mm with adaptors to also plug 18mm ports - 2 sets

Exhaust Springs 85mm x2.Ideal for expansion chambers.Micron,Allspeed,NIKON.