Description
Fits 1973-1974, 305-400 Engine, Chevrolet / GMC / Pickup, 1/2, 3/4 1-TON, 4 WHEEL DRIVE ONLY.2.25 inch tubing.See ”Installation Notes” for specific fit requirements.Heavy Duty 2.25″ 16-gauge tubing for increased performanceHeader Dual Kit includes all installation hardwareCustom fit for both factory manifolds and aftermarket headersNOTE: Mufflers and header flanges not included





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