Fits 1987 Chevrolet C15; Hooker Blackheart Transmission Crossmember - BHS549 throttle-position-sensors BBK Performance full length headers

BBK Performance full length headers are made from 1-3/4" CNC mandrel bent 16 gauge tubing with 3/8" thick laser cut exhaust flanges to prevent heat distortion

4L V8 1989 - 1990 Chevrolet R2500 Suburban Silverado 454/7

7L V8 1986 Chevrolet K5 Blazer Custom 350/5

this direct-fit catalytic converter also interchanges with OE part CK4Z 5F250-C

9L/L4 1998 - 1999 Saturn SW1 1

Fits 1987 Chevrolet C15; Hooker Blackheart Transmission Crossmember - BHS549 throttle-position-sensors BBK Performance full length headersThese 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