Hooker BlackHeart Engine Mount Brackets

1968-72 A-Body LS Swap Engine Mounting Bracket Kit- Forward Position

PART# 71221006HKR

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These Hooker BlackHeart engine swap mounting brackets facilitate the installation of an GM LS motor into a 1968-72 A-Body as part of your LS swap project. This mounting bracket kit is part of the most comprehensively engineered system of mounting components, headers and exhaust systems available for this application. The entire Hooker BlackHeart swap system is designed to decrease your total swap installation effort and cost, while increasing the engineered quality of your vehicle and compatibility of these components with other popular aftermarket components. LS Oil Pan 302-2 can be used with these mounts ** Please read the provided instructions thoroughly before attempting installation.


  • Locates engine 1.25" forward from stock SBC engine/transmission mating plane; front surface of the block and cylinder head position remains the same as the stock SB Chevy location - See instructions for additional information
  • Plate steel construction-provides a durable cost-effective LS engine mounting solution
  • Provides optimized U-joint angles for vehicles with stock to moderately lowered suspension ride heights
  • Bolt-in compatible for use with the factory A/C evaporator housing assembly
  • Allows for installation of 4th-gen F-body T56/ T56 Magnum transmission with greatly reduced floor modification requirements; requires use of a Hooker 71222007HKR transmission crossmember (coming soon)
  • Allows bolt-in installation of a GM TH350, TH400, 200R4 or 4L60-4L70 transmission using a stock 1968-72 Chevelle transmission crossmember, or a 4L60-4L70 or 4L80/4L85 transmission using a Hooker 71222007HKR crossmember
  • Broad accessory drive compatibility- allows the use Holley or stock Corvette, truck, F-body or GTO accessory drive systems (some stock FEAD component exclusions apply)
  • Provides best-available clearance for installation of low-mount A/C compressor
  • Holley 302-2 oil pan compatible- provides for easy bolt-in installation process and clearance for steering tie rod ends
  • Dual rubber/poly mount compatibility- allows use of 4th-gen F-body factory rubber mounts, or aftermarket poly replacement inserts
  • Clear Zinc plated finish- provides attractive corrosion-resistant appearance


Application1968-72 GM A-Body
BrandHooker BlackHeart
Emission Code5
Motor TypeGM LS
Product TypeEngine Mounts
Type of ComponentEngine Mount Bracket
Part Number71221006HKR



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.

Tech Resources

Compatible with the following accessory drive systems: Holley or stock Corvette (excluding the A/C compressor/bracket, which must be relocated) Truck (must use smaller 5" diameter power steering pump pulley and stock Denso A/C compressor without rear pressure sensor) Fbody/GTO (excluding the alternator, which must be relocated) These brackets ARE compatible for use with the stock vehicle A/C evaporator case.


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        Some parts are not legal for use in California or other states with similar regulations.

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