Home › Big Twin 1984 - Up › Fuel & Air System › EFI › Hardware › Oxygen Sensor Reducer Plug Set
PART 32-6578

Oxygen Sensor Reducer Plug Set

by Namz
$33.98
V-Twin list $28.32 ยท our price includes online ordering & support
Checkout is not open yet — add parts to build your list. How shipping will work
No fitment list recorded for this part โ€” check with us before ordering.

Description

These plugs allow the use of late type 12mm sensors in earlier exhaust pipes with 18mm sensor bungs. This kit reduces 18mm pipe bung to 12mm for later oxygen sensors.

Specifications

V-Twin number
32-6578
OEM number
66700025
Manufacturer
Namz
Sold as
1 - SET
Origin
USA
2026 catalogue pages
91