Trans-Dapt Performance - 6422
Transmission Crossmember - Bolt-On - Steel - Black Paint - 4L60E / 4L65E / 4L70E / 4L80E / T-56 / TH400 - GM A-Body / G-Body 1978-88 - Each
LS Engine Swap Transmission Crossmember; LS into 78-81 GM A-Body & 1982-88 G-Body Cars (equipped with a driver [left] side, 200R4 framerail extension)
Trans-Dapt Performance Products has been manufacturing products to assist gearheads install an LS engine into a wide variety of classic GM cars and trucks since 2001, when they released universal-use engine adapter plates. Since this early start in the LS engine swap market, Trans-Dapt has dramatically expanded its LS engine swap product line to include precise fitting, application specific engine and transmission mounting components.
This steel transmission crossmember kit has a 3-piece design, with a center segment that can be unbolted for quicker removal of the transmission. The crossmember is made in the USA, and is configured to aid in the installation of a T56, TH400, 4L60, 65, 70 or 4L80E transmission with an LS engine in 1978-81 GM A-Body, or 1982-88 GM G-Body cars that have the driver side frame rail extension for THM200-R4 transmissions. **For vehicles that DO NOT have the factory THM200R4 extensions, the use of Trans-Dapt # 6423 frame rail adapter is required (sold separately).
Unlike many of the kits on market that require you purchase separate adapters to accommodate the different transmission types, this kit includes adapters for any of the transmissions it is designed to fit. While this crossmember may work "ok" with other manufacturer's engine mounts, we recommend this crossmember be used with Trans-Dapt's LS into A/G-Body engine mounts, and Hedman Hedders' 1978-88 GM A/G-Body LS Engine Swap Headers.
Product Type: Transmission Mounts
Photo Disclaimer: Actual product design, construction, or included components may vary.
Finish: Temporary Black Shipping Paint. This coating is not intended To Be Final Finish.
Finish Type: Temporary Black Shipping Paint
Bolt On: Yes
Bolts/Studs Included: Yes
Bracket Finish: Black Paint
Bushing Color: Black
Bushing Material: Rubber
Contents: Crossmember, Transmisson pad, transmission adapter brackets, mounting hardware
Dampening Type: Pad
Drop Distance: No Drop
Fastener(s) Included: Yes
Installation Hardware Included: Yes
Kit Type: with RUBBER Pads
Material: Rubber/Steel
Materials: 0.114 in. mild steel tubing
Mount Material: Rubber
Mounting Bracket Included: Yes
Mounting Hardware Included: Yes
Mounting Type: Bolt-On Design
Package Contents: Crossmember, Transmisson pad, transmission adapter brackets, mounting hardware
Replacement Mount Pads: 9442
Transmission Mount Type: Crossmember
Transmission Type: T56, TH400, 4L60E, 4L80E
Welding Required: No
Transmission Compatibility: 4L80E
Vehicle Family: G-Body (GM) 1982-88
Transmission Compatibility: TH400
Transmission Compatibility: 4L60E
Transmission Compatibility: 4L65E
Transmission Compatibility: 4L70E
Vehicle Family: A-Body (GM) 1978-81
Transmission Compatibility: T-56
Engine: Chevy LS Series
Installation Notes: Cars without 200R4 framerail extension require Trans-Dapt 6423. Sold separately!
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