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Holley Kits

Hooker BlackHeart LS Swap Kit

1964-1967 GM A-Body LS Swap Kit with T56, T56 Magnum, 4L60E, 4L65E, 4L70E, 4L80E or 4L85E Transmissions - Forward Engine Position

Part # VK090175 Be the first to write a review
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Complete Engine and Transmission Mounting Kit. The forward engine position is ideal for use with late model transmissions (i.e. T56, T56 Magnum, 4L60E, 4L65E, 4L70E, 4L80E, or 4L85E). The engine swap mounts are constructed from steel to provide a strong and rigid foundation for your swap. They are available in two different variations providing fitment for GM late model transmissions (forward position) as well as the tried and true TH350 and TH400 transmissions (rearward position). This mounting system is compatible with the Holley 302-2 oil pan, Hooker Blackheart swap headers and exhaust, Saginaw or Delphi 600 power steering boxes, as well as low mount A/C compressors. They are the perfect choice for your LS swap A-Body build! LS Oil Pan 302-2 can be used with these mounts


  • Fabricated steel construction- provides a strong and rigid engine mounting foundation
  • Designed for use with the Holley 302-2 oil pan to provide optimized inner tie rod clearances and U-joint working angles
  • Brackets move the engine/transmission mating plane 1” forward from the stock SB Chevy location to achieve better clearances and drivetrain geometry when installing late model GM automatic and T56 transmissions
  • Compatible with stock Saginaw or Delphi 600 series power steering boxes (depending on particular accessory drive system used)
  • Provides ability to use low-mount A/C compressors in most instances
  • Black Powder coat & Zinc plated finish- provides corrosion protection
  • Brackets are bolt-in compatible with Hooker exhaust manifolds, headers, transmission crossmember and exhaust systems for this vehicle application
  • LS Oil Pan 302-2 can be used with these mounts
Brand Holley Kits
Emission Code5
FinishBlack Powdercoated
Motor TypeGM LS
Product TypeEngine & Transmission Mount Kit
T56 GM
T56 Magnum GM
Type of ComponentEngine & Transmission Mount Kit
Part NumberVK090175

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

if you are using a T56, T56 Magnum, 4L80E, or 4L85E transmission, then you will not need spacer part number 12657HKR (this part can be deleted from the shopping cart before you complete your online order for this engine mounting kit).

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