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Willy’s CNC machine billet aluminum tool is designed to make main jet adjustments easier on Willy's metering blocks. The handle is purple anodized.
For 4 barrel carburetors.
For 2 barrel carburetors.
9 sets of 90° Boots & Terminals; For 8.5mm Wire
1" Thick; 4BBL; Aluminum; For GM 602 Crate Motors
1" Thick; 4BBL; Aluminum; For GM 604 Crate and Open Motors
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