Carburetor Vacuum Secondary Housing Series:Quick Change Cover. Replace your factory Secondary spring cover with a quick change cover kit to expedite changing of vacuum springs for tuning secondary throttle response.
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Carburetor Vacuum Secondary CFM Rebuild Kit Fit Holly 4160 Series Speed Demon
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CARBURETOR VACUUM SECONDARY CFM REBUILD KIT Fit for Holly
BR-67270 600 CFM Brawler Diecast Carburetor Vacuum Secondary W/ Electric Choke
Brawler FRBR-67271 600 CFM Brawler Diecast Carburetor Vacuum Secondary- Facto...
