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1963-1972 GM Truck LS Conversion Kit


1963-1972 GM Truck LS Conversion Kit
Purchase 1963-1972 GM Truck LS Conversion Kit
  • 1963-1972 GM Truck LS Conversion Kit

  • $529.00

    SKU: LSX9

  • Select Transmission:  

MuscleRods LS Swap Foundation for 1963-1972 C/K Trucks & K5/Jimmy

Precision crafted steel mounts and mounting hardware align your LS powerplant perfectly in 1963-1972 GM Truck C/K and K5/Jimmy frames for a vibration-free drive and efficient power transfer. MuscleRods Engine Swap Kit installs without tunnel mods on T56, 4L60E and 6L80E transmissions, fits high clearance or LH8 oil pans and ensures durable performance built in the USA for your 1963-1972 Chevy and GMC 1/2 ton trucks.

Complete MuscleRods LS Engine Swap Kit for 1963-1972 Chevy/GMC C/K Trucks and K5/Jimmy

The 1963 to 1972 GM Truck LS Conversion Kit was engineered to solve the alignment and clearance challenges of installing an LS engine under the stock tunnel of early GM half ton trucks. Precision CNC machined motor mounts lock the LS block at the ideal angle, while the tailored crossmember and side brackets slip into factory rail holes for zero cutting or grinding. It accommodates popular transmissions like the T56, 4L60E and 6L80E, and supports both raised sump and LH8 oil pans for variable ground clearance needs. Constructed from American steel and secured with factory rail locating holes, this drivetrain alignment solution delivers long lasting rigidity and helps preserve frame integrity when towing or spirited driving.

Precision CNC Machined Motor Mounts Ensure Accurate Alignment

The kit's motor mounts are produced with CNC machining to maintain exact block angles under the stock tunnel of 1963–1972 GM trucks. By securing the LS engine at a precise geometry, driveline angles remain optimal, reducing unwanted vibration at the universal joints. This repeatable accuracy eliminates installer guesswork and helps bearings, seals, and couplings endure heavier loads with less fatigue. The result is smoother power delivery and quieter operation, backed by the tight tolerances inherent in computer controlled fabrication.

Purpose Built Crossmember and Brackets Preserve Factory Frame Structure

The custom crossmember and side brackets slip into factory rail locating holes to support popular transmissions such as the T56, 4L60E, 4L80E and 6L80E without cutting or grinding. By using existing frame points installers avoid weakening the chassis, preserving the original rail strength for towing and hauling duties. This bolt in design streamlines the swap process for both professional shops and home builders, ensuring the transmission sits exactly where intended beneath the stock tunnel. End users benefit from a robust mounting platform that retains factory resilience and ride quality.

Adaptive Oil Pan Compatibility for Varied Ground Clearance Needs

Supporting both raised sump and LH8 oil pans, the conversion kit accommodates different driving conditions with no custom modifications. The raised sump version lifts the reservoir to clear off road obstacles, while the LH8 pan maintains a low profile for street and garage use. Both options attach through OE bolt patterns so there is no need for welding or slotting. This flexibility ensures reliable oil control and protection across diverse terrain without compromising fitment or requiring aftermarket adapters.

American Steel Brackets and Polyurethane Mount for Vibration Isolation

All frame brackets are formed from heavy gauge American steel, delivering the strength required for spirited driving or towing. A polyurethane transmission mount dampens shift shock and isolates drivetrain vibration before it reaches the driveshaft or cabin, enhancing comfort on long trips. The included bolt kit features grade specific hardware to maintain clamp force under load and prevent loosening over time. This combination of resilient materials and engineered design preserves universal joint life and gearbox integrity for years of trouble free use.

This MuscleRods swap kit delivers precise alignment and reliable performance for your LS engine conversion. For a more robust kit that lets you select components to match your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

  • 1963-1972 Chevy C/K-10
  • 1963-1972 GMC C/K-15
  • 1969-1972 Chevy Blazer K5
  • 1970-1972 GMC Jimmy

Specifications

  • SKU: LSX9
  • Swap Engine: LS
  • Body Type: GM Truck (C/K Jimmy)
  • Brand: Muscle Rods
  • Compatible Engine Models: Most Gen III/IV LS Engines (e.g., LS1, LS2, LS3, LM7, LQ4, LQ9, 4.8L, 5.3L, 6.0L, 6.2L) when used with a compatible High Clearance Oil Pan or Cast Aluminum Retro Style Oil Pan configurations suitable for GM trucks.
  • Compatible Transmissions: T56, 4L60E, 4L80E, 6L80E (4L60E/4L80E without tunnel modifications; others may require adjustments).
  • What's Included:
    • (2) Motor Mounts
    • (2) Frame Brackets
    • (1) Transmission Crossmember
    • (2) Crossmember Side Brackets
    • (1) Polyurethane Transmission Mount
    • (1) Bolt Kit

Key Features

  • Maintains correct drivetrain angle to prevent vibrations
  • Fits T56, 4L60E, 4L80E, and 6L80E transmissions without tunnel modifications
  • Compatible with high clearance oil pan for optimized performance
  • Accommodates LH8 oil pan when ground clearance permits
  • Specifically engineered for 1963-1972 GM 1/2 ton trucks
  • Proudly designed and manufactured in the USA

Benefits

  • Enjoy a vibration-free ride with correct drivetrain alignment
  • Install modern transmissions easily without altering the tunnel
  • Optimize performance with high clearance oil pan compatibility
  • Support LH8 oil pan use when ground clearance allows
  • Guarantee seamless fit on 1963-1972 GM 1/2 ton trucks
  • Rely on durable, precision-crafted parts made in the USA

This Item Assigned to Category and Also Fits:

Description

Complete MuscleRods LS Engine Swap Kit for 1963-1972 Chevy/GMC C/K Trucks and K5/Jimmy

The 1963 to 1972 GM Truck LS Conversion Kit was engineered to solve the alignment and clearance challenges of installing an LS engine under the stock tunnel of early GM half ton trucks. Precision CNC machined motor mounts lock the LS block at the ideal angle, while the tailored crossmember and side brackets slip into factory rail holes for zero cutting or grinding. It accommodates popular transmissions like the T56, 4L60E and 6L80E, and supports both raised sump and LH8 oil pans for variable ground clearance needs. Constructed from American steel and secured with factory rail locating holes, this drivetrain alignment solution delivers long lasting rigidity and helps preserve frame integrity when towing or spirited driving.

Precision CNC Machined Motor Mounts Ensure Accurate Alignment

The kit's motor mounts are produced with CNC machining to maintain exact block angles under the stock tunnel of 1963–1972 GM trucks. By securing the LS engine at a precise geometry, driveline angles remain optimal, reducing unwanted vibration at the universal joints. This repeatable accuracy eliminates installer guesswork and helps bearings, seals, and couplings endure heavier loads with less fatigue. The result is smoother power delivery and quieter operation, backed by the tight tolerances inherent in computer controlled fabrication.

Purpose Built Crossmember and Brackets Preserve Factory Frame Structure

The custom crossmember and side brackets slip into factory rail locating holes to support popular transmissions such as the T56, 4L60E, 4L80E and 6L80E without cutting or grinding. By using existing frame points installers avoid weakening the chassis, preserving the original rail strength for towing and hauling duties. This bolt in design streamlines the swap process for both professional shops and home builders, ensuring the transmission sits exactly where intended beneath the stock tunnel. End users benefit from a robust mounting platform that retains factory resilience and ride quality.

Adaptive Oil Pan Compatibility for Varied Ground Clearance Needs

Supporting both raised sump and LH8 oil pans, the conversion kit accommodates different driving conditions with no custom modifications. The raised sump version lifts the reservoir to clear off road obstacles, while the LH8 pan maintains a low profile for street and garage use. Both options attach through OE bolt patterns so there is no need for welding or slotting. This flexibility ensures reliable oil control and protection across diverse terrain without compromising fitment or requiring aftermarket adapters.

American Steel Brackets and Polyurethane Mount for Vibration Isolation

All frame brackets are formed from heavy gauge American steel, delivering the strength required for spirited driving or towing. A polyurethane transmission mount dampens shift shock and isolates drivetrain vibration before it reaches the driveshaft or cabin, enhancing comfort on long trips. The included bolt kit features grade specific hardware to maintain clamp force under load and prevent loosening over time. This combination of resilient materials and engineered design preserves universal joint life and gearbox integrity for years of trouble free use.

This MuscleRods swap kit delivers precise alignment and reliable performance for your LS engine conversion. For a more robust kit that lets you select components to match your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

Fitment

  • 1963-1972 Chevy C/K-10
  • 1963-1972 GMC C/K-15
  • 1969-1972 Chevy Blazer K5
  • 1970-1972 GMC Jimmy
  • Compatible Transmissions: T56, 4L60E, 4L80E, 6L80E (4L60E/4L80E without tunnel modifications; others may require adjustments).
Features
  • Maintains correct drivetrain angle to prevent vibrations
  • Fits T56, 4L60E, 4L80E, and 6L80E transmissions without tunnel modifications
  • Compatible with high clearance oil pan for optimized performance
  • Accommodates LH8 oil pan when ground clearance permits
  • Specifically engineered for 1963-1972 GM 1/2 ton trucks
  • Proudly designed and manufactured in the USA
Benefits
  • Enjoy a vibration-free ride with correct drivetrain alignment
  • Install modern transmissions easily without altering the tunnel
  • Optimize performance with high clearance oil pan compatibility
  • Support LH8 oil pan use when ground clearance allows
  • Guarantee seamless fit on 1963-1972 GM 1/2 ton trucks
  • Rely on durable, precision-crafted parts made in the USA
What's Included
  • (2) Motor Mounts
  • (2) Frame Brackets
  • (1) Transmission Crossmember
  • (2) Crossmember Side Brackets
  • (1) Polyurethane Transmission Mount
  • (1) Bolt Kit
Specifications
  • SKU: LSX9
  • Brand: Muscle Rods
  • Swap Engine: LS
  • Body Type: GM Truck (C/K Jimmy)