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Vehicle Info NeededMUSCLE RODSPART NUMBER: 588-557-0002-56
LS Engine Swap Mount Kit
$52900
Ships on 09/14/2026
Lowest Price GuaranteeGM
Chevy Tri-Five 1955-1957
Chevy Tri-Five 1955-1957
LS Engine Swap Mount Kit1955-1957 Chevy Tri-Five For T56, TR6060 Includes Motor Mounts, Frame Brackets, Transmission Crossmember w/Mount & Hardware
Features:
- No universal parts, every component developed for best fitment
- Crossmember designed to maintain proper driveline angle
- Manufactured with high-grade steel that is laser-cut, precision bent, and powder coated
- Designed for fitment with factory suspension and steering components
- Black polyurethane bushings will be included (red in images for better visual)
Installation Notes:
- Designed for GM LH8 oil pan
- Frame notching required with 1998-2002 F-body A/C compressor
- Requires drilling of new mounting holes for engine frame mounts and transmission crossmember
- Driveshaft length will be different than factory
- May need transmission tunnel or firewall modifications
- TR6060 transmissions will require the use of late-model transmission mount adapters
Modernize Your Classic Vehicle's Powertrain
Muscle Rods GM LS Engine Swap Mount Kits contain quality-engineered components that are matched together to install a modern GM LS powertrain in your classic muscle car or truck. Each kit features laser-cut and precision-bent steel frame brackets, motor mounts, and transmission cross-members for a perfect fit; no universal parts are included that may require modifications.
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Transmission crossmembers have been designed to maintain correct driveline angles while engine mounts will provide clearance for OE steering systems. All mounts are powder coated and outfitted with polyurethane bushings for maximum durability.
Part TypeMotor Mount
Product LineMuscle Rods GM LS Engine Swap Mount Kits
BrandMUSCLE RODS
Package Height6.0
Package Width6.0
Package Length36.0
Weight24.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Bushing ColorBlack
Motor Mount StyleComplete mount
Crossmember FinishSilver powdercoated
Bushing MaterialPolyurethane
Welding RequiredNo
QuantitySold as a kit
Mounting Pads IncludedYes
Engine Make/SizeGM LS
Engine TypeGM LS
Transmission Mount IncludedYes
Bracket FinishSilver powdercoated
Bracket MaterialSteel
Crossmember MaterialSteel
Vendor Part Number557-0002-56
Package Qty1
Package TypeEA
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