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0601phr G28 05 Z

We replaced the vacuum secondary spring, pulling out the stiffer black one (left) and substituting the thinner, softer yellow one (right). Jeg's sells this Holley vacuum secondary spring kit under part number 510-20-13 for $9.99; it has a selection of seven different springs.
1976 Chevrolet Camaro - Project g/28 Part 10

We replaced the vacuum secondary spring, pulling out the stiffer black one (left) and substituting the thinner, softer yellow one (right). Jeg's sells this Holley vacuum secondary spring kit under part number 510-20-13 for $9.99; it has a selection of seven different springs.  View Related Article

 

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