Fits 1987 Chevrolet C15; Hooker Blackheart Transmission Crossmember - BHS550 air-cleaner-assemblies 3/8″ Female Spring-Lock to -6

3/8″ Female Spring-Lock to -6 AN male

Also Fits: 99-01 Ford F350SD/450SD/550SD

5L/V6 2000 Chevrolet Tracker 1

4L V8 1979 - 1980 Mercury Marquis 302/5L V8 1971 - 1977 Ford Maverick 302/5L V8 1975 International 150 304/5L V8 1968 - 1969 Ford Mustang 428/7L V8 1970 - 1971 Ford Torino Squire 302/5L V8 1963 - 1964 Mercury Comet 260/4

Fits 1987 Chevrolet C15; Hooker Blackheart Transmission Crossmember - BHS550 air-cleaner-assemblies 3/8″ Female Spring-Lock to -6These new crossmembers have been redesigned and are less expensive than the previous crossmember & work with engine mounting brackets BHS540 for both the GM LS & Gen V LT engines. Choose the crossmember based on the transmissions that you want to run in your 1973 1987 C10: ? Crossmember BHS548 fits 4L60E, 4L65E, 4L70E, 4L75E, and 6L80 Transmissions ? Crossmember BHS549 fits 4L80E, and 4L85E Transmissions ? Crossmember BHS550 fits T56, and T56 Magnum