Quality Parts and Accessories For Your Porsche

Upgrade your dual 44 IDF Webers with high-performance velocity stacks. Their parabolic curvature maximizes air flow efficiency and engine power. Precision formed from steel and chrome plated for a sporty appearance. Note: Prevent air leakage when installing velocity stacks by using two gaskets per stack. Put one under the air cleaner and another under the velocity stack. Learn More

Tolerances To 1/10Th Of A Thousandth .0001 (Human Hair Being .002) Haas CNC Equipment Single Throttle Shafts With Ball Bearing On Each End Prime Aircraft Alloy New Design Float Bowls For Less Fuel Sloshing New Solid Fuel Bars New Sight Glasses For Checking Fuel Levels Many Porsche® enthusiasts still prefer carburetion on their 911's® whether for road or race applications. The New PMO Carburetor is now available, after 5 years and a half million dollars in development. With many new design features over the old Weber design. High performance and reliability has distinguished PMO Carburetors from the start. Theres over 70 pieces of hand assembled parts per carburetor with exacting tolerances, single throttle shafts with ball bearings on each end, newly designed float bowls, solid fuel bars and new sight glasses for checking fuel levels. Our PMO Conversion Kits come complete with pre-jetted and sized carburetors, linkage, proper manifolds, K&N watershield air cleaners, complete hardware, fuel line and detailed step-by-step instructions for easy installation. All intake manifolds are sized to match your engine. All 911's® equipped with Zenith carburetors and do not need linkage or manifolds. Learn More

Tolerances To 1/10Th Of A Thousandth .0001 (Human Hair Being .002) Haas CNC Equipment Single Throttle Shafts With Ball Bearing On Each End Prime Aircraft Alloy New Design Float Bowls For Less Fuel Sloshing New Solid Fuel Bars New Sight Glasses For Checking Fuel Levels Many Porsche® enthusiasts still prefer carburetion on their 911's® whether for road or race applications. The New PMO Carburetor is now available, after 5 years and a half million dollars in development. With many new design features over the old Weber design. High performance and reliability has distinguished PMO Carburetors from the start. Theres over 70 pieces of hand assembled parts per carburetor with exacting tolerances, single throttle shafts with ball bearings on each end, newly designed float bowls, solid fuel bars and new sight glasses for checking fuel levels. Our PMO Conversion Kits come complete with pre-jetted and sized carburetors, linkage, proper manifolds, K&N watershield air cleaners, complete hardware, fuel line and detailed step-by-step instructions for easy installation. All intake manifolds are sized to match your engine. All 911's® equipped with Zenith carburetors and do not need linkage or manifolds. Learn More

The Venturies are the small opening in the top of the carburetor that delivers the vacuum signal to the main air jets for the carburetor to work. Replacing the Venturies in the carburetor will give your Porsche an excellent throttle response along with a smooth idle. Venturies sizes are determined by engine displacement, camshaft profile and the operating range of the engine. Sold in a set of 6 Below is a recommendation chart. Variations are made for different operating conditions, engine configurations and gear ratios. Engine Cams Carbs Venturies 2.0 to 2.2 "S" 40mm Webers 32mm 2.4 to 2.7 "S" 40mm Webers 34mm or 36mm 2.8 "S" 40mm Webers 36mm 2.8 RSR 46mm Webers 38mm or 42mm 3.0 "S" 40mm Webers 36mm 3.0 RSR RSR 46mm Webers 42mm 3.2 "S" 46mm Webers 38mm 3.5 "S" 46mm Webers 42mm 3.5 RSR RSR 46mm Webers 42mm 3.5 GE60 or 120/104 46mm Webers 42mm 3.8 GE80 50mm PMO’s 46mm venturies (Or larger) Learn More