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

LS Engine Swap Transmission Crossmember

$39995
1 left in stock
ShippingShips on Oct 26, 2026
Lowest PriceLowest Price Guarantee

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
    • Transmission Crossmembers to Take the Guesswork Out of Your Engine or Transmission Swap

      Hooker Blackheart CAD-designed, powder-coated steel crossmembers provide a durable-strength foundation for transmission mounting; while leaving adequate clearance for a host of Hooker Blackheart engine and exhaust components.

    Part TypeAutomatic Transmission Crossmember
    Product LineHooker Blackheart Transmission Crossmembers
    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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