Fits: 1975 – 1981 Camaro/Firebird 1975 – 1979 Nova/Omega/Ventura/APOLLO for transmissions of the following: 700R4, 4L60, & early 4L60E. A black powder coat finish. Includes new mounting hardware. (Note: Crossmember frame hole spacing is approximately 31 – 3/4."Measure your crossmember selection to ensure proper frame) p/n rcf2l-700 Installation Notes: This crossmember is installed with label g force toward rear of vehicle A second to determine feature is crossmember Center tube has a 1/2" drain groove located on the bottom and on the passenger side next to the hump weldment. The crossmember is installed so that the clearance camel exhausts are closed at the top and open at the bottom. To use the provided 7/16 hardware is required to extend the holes in the frame rails. If the installer chooses to use the 3/8 size, it is highly recommended that the stock hardware installer obtain grade 8 fasteners and washers to compensate.