JET Circle Track Quadrajet Carburetors are available with a specially increased main well size and are precision balanced to guarantee high-rpm fuel flow. The carburetors have underdone a variety of circuit modifications to ensure a richer fuel curve throughout the entire rpm range, especially at wide-open throttle. They come packaged with a 0.149 inch needle and seat for adequate fuel flow, and are ideal for heavily modified 355-406 c.i.d. small block motors with a single plane intake manifold, headers, an 11.5:1 compression ratio, and high-flowing cylinder heads.

Key Features:

• Circle Track Quadrajet Carburetor
• 750 cfm
• Incl. 0.149 Needle And Seat

Jet Performance was founded over 45 years ago, and started as an engine building and carburetor shop specialized for Drag Racing vehicle applications. Since then, it has held multiple IHRA and NHRA national records in 3 different classes, and has successfully developed and tuned carburetors and fuel systems for some of the top names in Drag Racing, Nascar and Off Road racing! Jet Performance offers consumers a wide range of innovative and high quality products which will work with almost any vehicle, and guarantee to help you realize your vehicle's true power potential!