These will be better options. You need 2-3 of these types of springs. 2 will get the job done. It won’t hurt to buy the Autozone springs too. If you end up using one from a $6 kit great. If not, return them. The ones you are using now are ridiculously too heavy. For Mopar Dual CARBURETOR RETURN SPRINGS 340 440 383 Plymouth Dodge A, B, E-body | eBay