Showing 61–72 of 85 results
5974 – Ford 429/460 Cobra 71 & Later Dual Quad Top competition manifold A whole series of COMPETITION Manifolds designed to suit your particular needs. Tested and proven to outperform other so-called top performers, these combinations appeal to not only the professional, but also to those who demand the finest performance products that can be…
Recent dyno and road tests have proven the Dual Port can give these Toyotas as much as a 20% HP boost over the stock manifold without sacrificing fuel economy. MPG gain was as much as 15%.
5997-DP Application: 1970-74 (also fits 18RC) (Stock 2 STG Carb)
1971 – ’81 – std Bore 4 bbl
Fits Engines: 199-232- & early 258
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)
Offenhauser 6053 DP Manifold for Courier – Mazda. Dual Port 2 B. 1800 cu in.
V-8 Dual Port Single Quad Hi Rise Manifold. AMC all V-8 1967-69 Spread Bore Qjet Carb
Manifolds below will accept 1973 and later emission control devices by using the special Offenhauser adapter kit
at a nominal extra charge. Be sure and specify type of vehicle when ordering.
Jeep Applications require Jeep kit part #6094
Chevy LUV Pickup Manifold 1972-75 (Stock 2 STG Carb)
Port-O-Sonic FORD 289-302 STtd. 4 bbl Carb Offy part # 6071
Offenhauser 6082 Intake Manifold. Turbo Thrust Manifold Base for 455 Oldsmobile.
Photo represents multiple applications. Please contact us directly for more information regarding available tops.
6084 – Oldsmobile Dual Spread bore T.Q. Top. Oldsmobile 400-455
Offenhauser Dual Port Manifold for 1970-1974 Ford 351 Cleveland 2V
