Holley 0-80670 Street Avenger 670 CFM carburetor is street ready, right out of the box for stock or mildy modified engines. Some modified engines may require tuning of the jets or power valve. The Holley 0-80670 Street Avenger 670 cfm carburetor is designed specifically for street engines. Clear sight plugs for easy float adjustment. Built in secondary fuel filters. Four vacuum ports. Quick change vacuum secondaries. The Holley Street Avenger 670 cfm carburetor has an easy to use electric choke. "No trouble" fourth generation power valve. Provides precise fuel metering for low end torque, awsome acceleration and great top end power. Air-fuel idle is tuneable to provide better idle qualities. Close limit jetting is used for precise performance. The Street Avenger is 100 percent wet flowed by Holley skilled craftsmen. Fits "square bore" intakes such as Edelbrock, Holley, Offenhauser, Weiand or other intakes that use a dual bolt pattern such as the Edelbrock 2101 Performer intake for the small block Chevy. Gm Quadrajet intakes require a carburetor adapter. Includes installation instructions and hardware. CHECK OUT THE ACCESSORIES FOR THIS CARBURETOR SHOWN BELOW! HOLLEY 0-80670 Holley Street Avenger carburetor 670 cfm 0-80670 We recommend this fuel line for use with the Holley 0-80670 Street Avenger carburetor shown above. Inlet features built in hose barb for use with 3/8" hose and a 1/8" NPT port for attaching a fuel pressure gauge. Chrome plated. TD-2197 We recommend this fuel line upgrade with fuel pressure gauge for use with the Holley 0-80670 Street Avenger carburetor. This fuel line is not only great looking but is very functional. Incorporates a small, convenient 1 1/2" diameter fuel pressure gauge that reads 10-15 psi. The gauge is designed to read in 1/2 pound increments. Line inlet features a versatile 3/8" NPT thread. Includes a 3/8" hose barb. Easily adapted to AN fittings. MRG-1559 We recommend this fuel line upgrade for use with the Holley 0-80670 Street Avenger carburetor. Made from aircraft quality buna-N neoprene hose encased in braided stainless steel, this fuel line kit is temperature, gas and oil resistant. The fuel line is adjustable between the carb bowls from 7 1/2" to 11 1/2". Includes a 1/8" pipe fitting for use with a fuel pressure gauge. Exits with a versatile, user friendly female 3/8" NPT fitting for use with hose barbs or pipe to AN fittings. EDE-8101 We recommend this dual throttle return springs for use with the Holley 0-80670 Street Avenger carburetor shown above. Universal in design and engineered to provide positive throttle return for increased safety. Inner and outer spring are Electro-Nickel bright plated to resist rust. Includes chrome-plated bracket that attaches to the drivers side, rear carburetor mounting stud. This spring kit can also be used with many different throttle cable bracket designs. MRG-19 A carburetor to fuel pump -6AN fuel line kit for use with the Holley carburetor shown above when when -6AN dual feed fuel lines are used (shown above) are used. Includes -6AN fittings and a 24" long braided stainless steel hose. Connects with mechanical fuel pumps with 3/8" NPT outlets. Comes pre-assembled. Makes for a very professional and durable installation. Its all done for you! 29E-8123 A carburetor heat insulating divided base gasket. Designed for use with the Holley carburetor shown above. Extra thick, .0320 to insulate the carburetor from heat to provide a cooler, denser fuel mixture for more power. While the Holley carburetor shown above comes with a thin base gasket, this extra thick heat insulating gasket allows the carburetor to run cooler which provides a denser fuel mixture for more power. Available either as a divided gasket (#9266) for use with dual plane intake manifolds and an open center gasket (#9265) for use with single plane intakes. Find your style in the applications drop down box. Includes longer carburetor mounting studs to provide for the additional thickness of the gasket. 29E-9266-9265APPLICATIONS:: DIVIDED GASKET 9266OPEN GASKET 9265 Provides a Chevy mounting bracket for the throttle cable, Turbo 350 kickdown cable and cruise control cable. Designed for use with the Holley carburetor shown above. Fits Chevy small block. All three positions are fully length adjustable. Mounts to the back intake manifold bolts on the drivers side of the engine. Super sturdy, heavy metal design with a durable gold iridited quality finish. 29ED-8036 Chrome throttle cable, Turbo 350 kickdown cable and cruise cable bracket. Desgined for use with the Holley carburetor shown above. Fits Chevy small block. All three positions are fully length adjustable. Mounts to the back intake manifold bolts on the drivers side of the engine. Super sturdy, heavy metal design with attractive chrome show car quality finish. 29ED-8030 GM throttle cable, Turbo 350 transmission kick down cable bracket. Designed for use with the Holley carburetor shown above. All positions are fully length adjustable. Chrome plated. Mounts to the drivers side rear carburetor mounting stud. Easy to install and make for a clean installation. 29SP-24283 GM throttle linkage stud to attach your GM throttle cable to the throttle linkage arm of the Holley carburetor. Installs into the large upper hole on the carburetors throttle linkage arm and requires a bushing to space the hole. 7/32" diameter. 29H-20-37 This stud mounts the GM Turbo 350 kick down cable to the Holley carburetors throttle linkage arm. Slips into the cables slider. 29h-20-40 A ball stud throttle stud assortment. Provides several ball sizes and stud sizes for various non-GM cables. Attaches to the Holley carburetors throttle linkage arm, in the large upper hole. Requires a hole bushing for installation. 29H-20-2 Check out our complete selection of Holley, Edelbrock, Demon and Proform carburetors. If you need an intake manifold we have all the Edelbrock, Weiand, Holley and Professional Products intakes. We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.