If your stock carby is not a IDF series, You may have to modify the stock throttle linkage bracket to fit your new manifold., Thanks Dual Port Intake Manifold Kit | 113129700KIT | Classic VW Parts for... Top Quality Well-Machined intake manifold, Improve air intake for better engine performance, help to keep your Vehicle running at Top performance. Intake Manifolds on D-Port Cylinder Heads for IDF/DRLA : AC129350 Intake Manifold Kit, Dual Port Fits HPMX Or IDF Carburetors - EMPI The intake manifold installation is easy to go. FAJS intake manifold KIT for Air-Cooled for VW Type 1 T1 FAJS WEBER SOLEX EMPI Single CARB HPMX/ IDF Manifold Kit. 5 ౹ 97 sold. US $99.99. 9% off US $109.99 Package including: 1 X New Carburetor intake manifold, 1 X gasket, 1 X set of mounting hardware kit These manifolds are used with standard IDF 44mm carburetor that utilizes simutaneous throttle activation.