A perfect fit and beautiful finish to top off your IDA series carburetors. Hand polished inside and out and made in the good old USA from 6061 bar stock. These stacks have the added feature of an auxiliary venturi securing ring, this is a must if your carburetors do not have the auxiliary venturi securing screw. Bolt on an instant increase in air flow and top end power with these velocity stacks. SOLD IN PAIRS




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