Showing 13–21 of 21 results
Offenhauser 5692 Buick 401-425 Nailhead High Rise Dual Quad Intake. Works with AFB carbs ONLY.
5692 Will not fit under the hood of any 1959-’66 Buick. You MUST use the 5191 Low-Profile manifold for proper hood clearance.
The Offenhauser 5711 Buick and Jeep V6 62-63 Single Quad Hi-Rise Intake Manifold This 360 Equa-Flow is available in the standard AFB pattern.
Offenhauser 5712 360 Equa Flow Manifold for Buick. Single Quad Quadra Jet.
Offenhauser 5874 360 Equa-Flow Single Quad Hi-Rise Intake Manifold. For Buick 400, 430-455 through 1971.
Now available in two versions:
– 5881 – Polished finish
– 5881 NP – Non-polished version, perfect for custom paint or coatings
The Offenhauser Buick 400-430-455 Dual Quad Hi-Rise Manifold for Big Block Buick is a 360 Equa-Flow Manifold.
Buick and Jeep V-6, Uses standard 4bbl carb from 400 CFM to 600 CFM depending on whether it’s for street or competition.
6035-DP Buick/Jeep, 225 C.I., 1964-72
6035-DP Buick/Olds/Pontiac, 231 C.I., 1975 (will not fit HEI)
6035-DP Buick/Olds/Pontiac, 231 C.I., 1976-78 (Will not fit Tall Port heads due to port size.)
Cast Alum-1/4″npt In-1/4″npt Out  True custom style– Like Offy but a bit smaller in size and with 1/4″npt in-1/4″npt out instead of those OFFY huge 3/8″npt outlets.–NOTE-Designed by us to give you that classic art deco rounded Offy style in a 2×2 block. Cast alum finish. MADE IN THE USA!!!
For the 264″and 322″ Buick Nailhead V-8s  The finishing touch for you Buick ’53 thru ’56 nailhead engine. You can use these on the later 364-425 engines by drilling the heads for the two studs. Raised Finns that match our OFFY valve covers (VC-3416) and our valley cover (VC-18) listed on this page for…
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