This is a new heavy duty metal accelerator pump assembly and spring tuning kit for the Quadrajet 4 barrel carburetors.Included in this kit is a new metal pump assembly with an alcohol resistant pump cup and garter spring already installed for use with todays modern fuels. Assembled as shown in the last picture with the 1.850 delayer/plunger spring installed. Also included are 2 different return springs for tuning . The springs are : pump return 1.580, and pump return 1.850.

These parts are made in the U.S.A and we rotate our stock fairly quick so you are always getting current parts.

Be sure and check our store as we also have a rebuild supplement kit with springs and filters as well as many more Quadrajet parts including a tuning kit with other springs,jets and small parts. We also have kits for the Edelbrock Quadrajets, Carter AFB and Rochester Quadrajets as well as the Edelbrock series carburetors. We also carry many other modular carburetor and fuel systems components.

  Returns must be in the original shipping box and received by us undamaged to qualify for a refund.