New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

K&S Technologies 56-1004 Carburetor Air Cut-Off Valve Set

SKU: 4838799

K&S Technologies 56-1004 Carburetor Air Cut-Off Valve Set

K&S Technologies
$36.12
$36.12
Sale Sold out
/
Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Direct OEM-style replacement carburetor air cut off valve set. Include diaphragm, spring and O-ring. Located on the side of the carburetor the air cut off valve prevents lean fuel mixture (backfire) when decelerating. Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes. Sold in sets for one carburetor.

Vehicle Fitment:

1980-1981 Honda CB400T Hawk
1982-1983 Honda CB450SC Nighthawk
1985 Honda CB450SC Nighthawk
1982 Honda CB450T Hawk
1980 Honda CB650
1980 Honda CB650C Custom
1980-1982 Honda CB750C Custom
1980-1982 Honda CB750F Super Sport
1980-1982 Honda CB750K
1982-1983 Honda CB750SC Nighthawk
1980-1982 Honda CB900C Custom
1981-1982 Honda CB900F Super Sport
1980-1981 Honda CM400A Hondamatic
1981 Honda CM400C Custom
1980-1981 Honda CM400E
1980-1981 Honda CM400T
1982-1983 Honda CM450A Hondamatic
1982 Honda CM450C Custom
1982-1983 Honda CM450E
1980-1982 Honda CX500C Custom
1980-1981 Honda CX500D Deluxe
1980-1983 Honda GL1100 Gold Wing
1982-1983 Honda GL1100A Gold Wing Aspencade
1980-1983 Honda GL1100I Gold Wing Interstate
1981-1982 Honda GL500 Silver Wing
1981-1982 Honda GL500I Silver Wing Interstate
1980-1981 Honda XL250S
1979-1981 Honda XL500S
1980 Honda XR250
1981-1982 Honda XR250R
1979-1980 Honda XR500
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle