Hooker BlackHeart Blackheart Crossmember Adapter - Bolt-On - Black - TKX to Gen III Hemi - Mopar A-Body 1973-76 EGXG 235 lb/in rear spring rates

235 lb/in rear spring rates

All Competition Engineering Rear Fenderwells are formed and fabricated in-house on specialized equipment to ensure a quality product every time

1/4 in Square Ratchet Drive

1979-1990 GMC K1500

Designed for street 396-502 c

Hooker BlackHeart Blackheart Crossmember Adapter - Bolt-On - Black - TKX to Gen III Hemi - Mopar A-Body 1973-76 EGXG 235 lb/in rear spring ratesUse with Engine Mounting Brackets BHS571, Transmission Crossmember bHS572, and Polyurethane Transmission Mount 71223029HKR (Black), or 71223030HKR (Red). TKX Transmissions also require BHS588 Transmission Crossmember Support (Provides Additional Support for Transmission Tunnel and torsion bar crossmember)* *Use with Bell Housing RM 8079 & TKX (GM Style Transmission) Transmission tunnel and Torsion bar support modifications are required to install