• Spring-loaded needles and seats for consistent fuel supply

• Comes with an added twist and a quick tune secondary air valve

• Single inlet for total fuel plumbing flexibility

• CNC-machined and profiled front face delivers a smooth, custom look

The Edelbrock Thunder Series AVS Carburetor is designed and calibrated to deliver optimum street performance. It comes with an added twist and a quick tune secondary air valve. This air valve can be easily adjusted to match your needs of having the secondaries kick in early or late. The air valve can be set using standard tools and no extra springs are needed. This CNC-profiled, ball-burnished aluminum carburetor features black accented hardware and throttle linkage. It includes smooth transition from part to full throttle with leak free operation. This carburetor sports a silver finish and a square bore flange with 4 barrels.