4into1

SP70-ACV

Air Cut Off Valve Kit 16048-413-004 - Honda XL/XR250 CB400 Hawk I II CM400 CX500 CB650 CB750 Super Sport Custom Nighthawk

Carburetors

Some bikes had one air cut off valve per carburetor, some just had one for a pair of carbs. Please check to make sure how many you need prior to ordering.
Replaces Honda Part Number: 16048-413-004
Check Fitment Below

Air cut off valve (ACV) for the Honda CB400T, CX500 and many more. Once the old diaphragms become stiff due to age or they develop holes, they no longer function properly. Save yourself tuning troubles an pick up some fresh cut off valves! This set comes with 2 springs, o-ring and diaphragm. The fitment list below notes which model years used which spring.

Some bikes had one air cut off valve per carburetor, some just had one for a pair of carbs. Please check to make sure how many you need prior to ordering.

Replaces Honda Part Number: 16048-413-004

Note: CB450SC there were 2 types of air cut off valves used, this type has a tip as shown in the photo.
Fits Honda: (non-tapered spring)

XL250S - 1978-1979
CB400A Hondamatic - 1978
CB400TI Hawk I - 1978-1979
CB400TII Hawk II - 1978-1979
CM400A Hondamatic - 1979
CM400T - 1979
CX500 - 1978-1979
CX500C Custom - 1979
CX500D Deluxe - 1979

Fits Honda: (tapered spring)

XL250S - 1980-1981
XR250 - 1980
XR250R - 1981-1982
CB400T Hawk - 1980-1981
CM400A Hondamatic - 1980-1981
CM400C Custom - 1981
CM400E - 1980-1981
CM400T - 1980-1981
CB450SC Nighthawk - 1982-1986
CB450T Hawk - 1982
CM450A Hondamatic - 1982-1983
CM450C Custom - 1982
CM450E 1982 - 1983
CX500C Custom - 1980-1982
CX500D Deluxe - 1980-1981
GL500 Silver Wing - 1981-1982
GL500I Silver Wing Interstate - 1981-1982
XL500S - 1979-1981
XR500 - 1979-1980
XR500R - 1981-1982
CB650 - 1979-1980
CB650C Custom - 1980
CB750C Custom 1980-1982
CB750F Super Sport - 1979-1982
CB750K - 1979-1982
CB750L LTD - 1979
CB750SC Nighthawk - 1982 - 1983
CB900C Custom - 1980 - 1982
CB900F Super Sport - 1981 - 1982
GL1100 Gold Wing - 1980 - 1983
GL1100A Gold Wing Aspencade - 1982-1983
GL1100I Gold Wing Interstate - 1980-1983