Made in USA
LS Engine Swap Transmission Crossmember
InfoVehicle Info Needed
HOOKER HEADERSPART NUMBER: 520-71222007

LS Engine Swap Transmission Crossmember

$35895$399.95You Save$41.00
ShippingShips on Sep 04, 2026
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GM A-Body
LS Engine Swap Transmission Crossmember
  • 1968-1972 GM A-Body
  • Fits: T56/T56 Magnum/4L60*/4L70*/4L80/4L85/TH400*/2004R* Transmissions

    Installation Notes:

    • This crossmember does not fit convertible or El Camino models
    • Not compatible with Tremec TR6060 transmission

    Features:

    • High strength-low alloy steel construction provides for a strong transmission mounting solution*
    • CAD designed to provide optimized installation, fitment, component clearances and exhaust system ground clearance
    • Provides for direct installation of 4th-gen F-body T56, aftermarket T56 Magnum or 4L80/4L85 transmissions
    • Provides for installation of 4L60/4L70, TH400 or 2004R transmissions through the use of available adapter kits
    • Shares the same exhaust arch location as the stock 1968-72 Chevelle crossmember for easy retrofitting
    • Black semi-gloss powder coating provides a durable and attractive finish
  • Part TypeTransmission Crossmember
    BrandHOOKER HEADERS
    Package Height5.25
    Package Width8.5
    Package Length54.0
    Weight27.15 PG
    Part CategoryPerformance Parts
    Engine TypeGM LS
    Transmission Mount IncludedNo
    Body TypeGM A-Body
    Crossmember FinishBlack
    QuantitySold individually
    Crossmember MaterialSteel
    Vendor Part Number71222007HKR
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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