1) Stainless steel headers

2) 3/8" Thick flange w/ oval ports

3) 1 5/8" Primary tube

4) 2 1/2" Collectors

5) Designed to fit the Chevy Small Block SB V8 262 265 283 305 327 350 400 (except 1989 Chevrolet Camaro RS)

6) Designed to fit many vehicles and not specific to one.

7) The Exhaust Manifolds fit for:

1964-77 FOR Chevelle

1964-87 FOR Impala

1965-76 FOR Bel Air

1966-97 FOR Caprice

1967-80 FOR Camaro (except '67-'69 w/ factory air or p/s)

1968-77 FOR Chevy II

1968-79 FOR Nova

1968-79 FOR El Camino

1968-79 FOR Malibu

1970-78 FOR Monte Carlo

1971-79 FOR Corvette

8) Package Includes: As shown in our pictures.

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.