Fits Small Block Chevy, 2.5" Collector-Natural Finish, Exhaust Manifold 8525HKR air-intakes 3/8 inch thick header flanges

3/8 inch thick header flanges for strength and maximum sealing surface

8L l6 1975 - 1981 Chevrolet C10 Silverado 350/5

2 L L6 1971 - 1974 Jeep CJ6 304/5 L V8 1971 - 1974 Jeep CJ5 304/5 L V8 1972 - 1973 Jeep Commando 304/5 L V8 1970 - 1971 Jeep J-3800 360/5

Dodge Ram 50 (1987-1989)

Fits Small Block Chevy, 2.5" Collector-Natural Finish, Exhaust Manifold 8525HKR air-intakes 3/8 inch thick header flangesHooker's new cast iron small block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon molybdenum