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Hooker Blackheart Engine Swap Motor Mount Kits 12621HKR Mounts, Swap, Block Mount, Bolt-In, Steel, Zinc Plated, Buick, Chevy, Pontiac, Small Block LS, Pair

SKU: HOK12621HKR

Motor Mounts and Inserts

Hooker Blackheart Engine Swap Motor Mount Kits 12621HKR Mounts, Swap, Block Mount, Bolt-In, Steel, Zinc Plated, Buick, Chevy, Pontiac, Small Block LS, Pair

SKU: HOK12621HKR

Motor Mounts and Inserts
A$694.12
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Requires the use of stock style small block Chevy clamshell mounts. Use only small block Chevy frame stands. Big block stands will not work. Moves transmission 1 1/4 in. forward and 1/2 in. up from stock location. These brackets are designed to achieve optimized component clearances and drivetrain operation angles in this application when used in conjunction with the Hooker transmission crossmember, headers, and exhaust systems co-developed for this application. Please see the suggested parts tab for further part numbers.

Add more cubic inches and power to your vehicle with the help of Hooker Blackheart engine swap mount kits. The kits are available for most popular models of cars and trucks with a variety of popular engine sizes. They include all of the components you'll need, at a cost that won't break your budget.

Part Type

Engine Mount Plate Kit GM LS Engine Swap

Data: v4.2 - Upd: 2026-09-29 03:34:47

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
12621HKR
Product Attributes - Part Type
Motor Mounts and Inserts
Product Attributes - Product Line
Hooker Blackheart Engine Swap Motor Mount Kits
Product Attributes - UPC
090127669532
Product Attributes - Motor Mount Style
Block mount
Product Attributes - Motor Mount Attachment Style
Bolt-in
Product Attributes - Bracket Included
Yes
Product Attributes - Bracket Material
Steel
Product Attributes - Bracket Color
Zinc plated
Product Attributes - Transmission Mount Included
No
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
Requires the use of stock style small block Chevy clamshell mounts. Use only small block Chevy frame stands. Big block stands will not work. Moves transmission 1 1/4 in. forward and 1/2 in. up from stock location. These brackets are designed to achieve optimized component clearances and drivetrain operation angles in this application when used in conjunction with the Hooker transmission crossmember, headers, and exhaust systems co-developed for this application. Please see the suggested parts tab for further part numbers.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hok12621HKR
SFX Item ID 5013414
Supplier Item Code 5013414
Manufacturer SKU 12621HKR
Manufacturer UPC 90127669532
Alternative References HKR12621, HKR12621HKR

Compatibility

Application Data
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR2500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    DrivetrainRWD
  • UniversalNo
    MakeGMC
    ModelR1500 SUBURBAN
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    DrivetrainRWD

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