Genuine Holley Vacuum Secondary Diaphragm Housings and Covers are designed to replace your existing cover without any modifications.
They are made of die cast aluminium and are chrome plated for durability.
Sold individually, discontinued by Holley making these rare and hard to find.
Holley Part No. 34-503
If carburetor is equipped with a black plastic cover then you must also purchase a special choke cable clamp kit, Holley Part No. 45-456, if you wish to retain hand choke cable operation
Fits all Small Block Chevy engines requiring a mechanical fuel pump Is recommended for stock and street performance engines For use on engines up to 400 HP Features 8 PSI...
1.5-3.0PSI, 25GPH Universal Electric Pump: Fits all carburetor equipped cars, vans and light trucks. Do not use with fuel injection systems. Easy to install: Two bolt installation plus the small...
Fits Ford Cleveland 351 engines requiring a mechanical fuel pump Is recommended for stock and street performance engines For use on engines up to 400 HP Features 8 PSI shut-off...
Suits Holley 4150 / 4160 Series carbs and Edelbrock square flange carbs CNC machined from T6-6061 billet aluminium Have adjustable stainless steel dual return springs Both threaded and Morse type...
Fits Ford 289, 302 and 351 engines requiring a mechanical fuel pump Is recommended for stock and street performance engines For use on engines up to 400 HP Features 8...
Adjustable Fuel Pressure Regulator 1 to 4 PSI Single 3/8” NPT inlet and two 3/8” NPT outlets Supplied with mounting bracket Note: Chrome finish but not to show car quality...
Brand new, not remanufactured Direct replacement for factory 2150 Motorcraft carburettor High quality castings and components Suitable for 289 and 302 Windsor engines fitted to the following: Ford Mustang 1964.5-1973...
Rebuild kit to suit 32/36 DGV/EV/AV Weber Style carburettors
All parts pictured are included.
Needle valve: 200
Professional installation recommended (instructions not included)