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Buick / Olds / Pontiac / Jeep: 1975 231ci Dual Port Std 4 bbl (no HEI) earlier Jeep 225ci Detroit s re-discovery of the V-6 doesn t surprise Offenhauser engineers at all. They have been making 360 Equa-Flow manifolds since its original introduction in the early sixties by Buick. Now available is the Dual Port design which gives the V-6 extra punch in low to mid RPM s and better gas mileage without altering the emissions. Uses standard 4 bbl carb from 400 CFM to 600 CFM depending on whether it s for street or competition
*emission control adapter kit sold separately Copyright � Phethean Racing Products ( Offenhauser )
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