This crossmember is designed as part of a fully-engineered LS swap mounting system for 1984-92 GM F-body vehicles. It has been CAD designed to provide an optimized balance of weight, stiffness and strength.

This crossmember provides direct installation capability for 4th-gen F-body/GTO T56 and aftermarket Tremec T56 Magnum transmissions. Installation of a 4L60-4L70, 4L80/4L85, TH400 or 2004R automatic transmission can also be accomplished using this crossmember and the Hooker BlackHeart 12650HKR, 71223003HKR, or 71223004HKR adapter kits.

• LS Oil Pan 302-2 can be used with these mounts.
• Designed for use in LS Swap applications (Engine mounted with Hooker 71221003HKR brackets only) or to accomplish an LT1/LT4 T56 transmission swap behind a Gen 1 SBC engine
• Plate steel construction - provides a durable transmission mounting solution
• CAD designed- provides optimized strength, stiffness and weight
• Built-in divorced, adjustable torque arm bracket- solves installation issues with using transmissions not factory installed in 4th-gen F-body vehicles
• Dual-arch exhaust passages - provides highest exhaust ground clearance available
• Semi-gloss black powder coat finish- provides attractive corrosion-resistant appearance
• Transmission installations other than 4th-gen F-body T56/T56 Magnum require the use of the following adapter kit: 4L60-4L70 transmissions - 71223003HKR, 4L80/4L85 transmissions - 71223004HKR, TH400/2004R transmissions - 12650HKR
• LS Oil Pan 302-2 can be used with these mounts

Details:

• Application: 1982-1992 Camaro / Firebird, GM LS Engines
• Color: Black
• Emission Code: 6
• Exhaust Series: Hooker BlackHeart
• Finish: Black Powdercoated
• Material: Steel
• Motor Type: GM LS/SBC
• Product Type: Transmission Crossmember
• Transmission: 200R4, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, T56 GM, T56 Magnum GM, TH400
• Transmission Type: T56/T56 Magnum
• Type of Component: Crossmember
• Warning: California Proposition 65