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2-Year Powertrain Warranty
street cars and hot rods
Includes commonly sourced water separator & fuel filter
Distributor Bracket Bolts"
Large Port
Moroso Adjustable Vacuum Advance Kit - 1975-+81 GM HEI Distributors 600090166 2-Year Powertrain WarrantyAllows you to change the amount of ignition vacuum advance for maximum part throttle performance while preventing the harmful effects of spark knock (detonation) Dial in as much spark advance as conditions permit add more advance under light load conditions to improve throttle response and fuel economy, or limit spark advance in high compression engines and high load conditions to eliminate knock Built in stop prevents the adjustment screw from
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