Offenhauser 5191 Buick 401 Nailhead Dual-Quad Intake Manifold
$762.00Buick 401-425 Works with AFB Carbs Only
Showing 13–24 of 25 results

Buick 401-425 Works with AFB Carbs Only

This spring approximately doubles all pressure, which would give 60 to 100 PSI. Buick 1936-1956 (sold in sets of 10)

Hood Scoop, Aluminum, Polished, Bolt-on, Universal,

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!!!

This block is like the ALMQUIST block made in the early 50’s–ALMQUIST had fins on all there products.Satin cast alum finish with polished fins. MADE IN THE USA!!!

Cast Alum-Firewall Mount  Real nostalia style-cast alum. Vintage Speed block has one 1/4″npt inlet and 3 outlets.Block is marked “FUEL BLOCK” only. This type block was sold by all the speed shops in the 50’s and 60’s. MADE IN THE USA!!!
FREE SHIPPING for orders over $100.00!