Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMUSCLE RODSPART NUMBER: 588-421-1302-00
LS Engine Swap Mount Kit
$29900
Ships on 09/11/2026
Lowest Price GuaranteeGM
Full-Size Truck 1964-1972
Full-Size Truck 1964-1972
LS Engine Swap Mount Kit1964-1972 GM K10 Truck 4wd Includes Motor Mounts, Frame Brackets & Hardware
Features:
- No universal parts, every component developed for best fitment
- Frame mounts bolt-in to factory mounting holes, requiring no drilling or modifications
- 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:
- Fits 1/2 and 3/4 ton models
- Reuses original transmission, transfer case, and crossmember. Late-model transmission may require crossmember relocation.
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.
Show More
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 Height4.2
Package Width5.7
Package Length8.4
Weight7.33 PG
Part CategoryPerformance Parts
Engine TypeGM LS
Transmission Mount IncludedNo
Hardware IncludedYes
Bushing ColorBlack
Bushing MaterialPolyurethane
Welding RequiredNo
QuantitySold as a kit
Mounting Pads IncludedYes
Bracket FinishSilver powdercoated
Engine Make/SizeGM LS
Bracket MaterialSteel
Vendor Part Number421-1302-00
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
