Filters

Secure Checkout
BRP Hot Rods - The Pro's Choice for LS & LT Swap Kits and Swap Parts!
Your Shopping Cart Is Empty

1970-1972 Monte Carlo LS Conversion Kit


1970-1972 Monte Carlo LS Conversion Kit
Purchase 1970-1972 Monte Carlo LS Conversion Kit
  • 1970-1972 Monte Carlo LS Conversion Kit

  • $529.00

    SKU: LSX17

  • Select Transmission:  

Simplify Your 1970-1972 A-Body Monte Carlo LS Swap with MuscleRods

Achieving precise alignment and eliminating drivetrain vibrations on your A Body Monte Carlo, this 1970 to 1972 Monte Carlo LS Conversion Kit uses engineered steel mounts that maintain correct drivetrain angle and integrate seamlessly with both 4L60E and 4L80E transmissions for smooth operation. With generous oil pan clearance and heavy-duty materials all manufactured in the USA, MuscleRods delivers a robust solution that simplifies your LS swap and ensures enduring performance without guesswork.

Complete MuscleRods LS Engine Swap Kit for 1970-1972 Chevy Monte Carlo

Swapping an LS engine into a classic A Body Monte Carlo often hinges on precise mount placement and correct drivetrain angle; the 1970-1972 Monte Carlo LS Conversion Kit consolidates mounts, brackets, and a crossmember for a precision fit. By holding the crankshaft and torque converter in the ideal plane, the kit preserves smooth power flow and cuts out vibration that can wear out universal joints. It supports both 4L60E and 4L80E transmissions without requiring tunneling or other fabrication and accommodates deep oil pans for better clearance. Each steel component is crafted in the USA and TIG welded at critical points for long-lasting durability within the A Body frame.

Precision Alignment for Smooth Driveline Operation

The conversion kit secures the LS engine and automatic transmission at the exact plane needed to preserve the correct drivetrain angle in a 1970–1972 Monte Carlo A Body frame. This careful alignment minimizes vibration at the universal joints, which in turn protects the driveshaft and transmission input seal from premature wear. It also creates sufficient space above the subframe rails to clear aftermarket oil pans without any grinding or fabrication. By maintaining this geometry, the assembly delivers a refined driving experience that feels crisp and controlled under both light throttle and spirited acceleration.

Heavy Gauge Steel Components with TIG Welded Precision

Each motor mount and frame bracket is fabricated from high grade steel plate and features TIG welded reinforcement at stress concentration points. TIG welding produces a clean, consistent bead that enhances fatigue resistance where engine torque tries to flex the rail. All parts are produced in the United States, adhering to strict quality standards for material composition and weld penetration. This robust construction ensures that even during hard launches or track use, the mounting system remains rigid and reliable.

Adaptable Transmission Crossmember for 4L60E and 4L80E

The integrated crossmember is engineered to accept both 4L60E and 4L80E transmissions without requiring tunnel modifications. Precision-spaced mounting holes align with factory frame rail profiles to guarantee a drop-in fit, while the included polyurethane transmission mount and spacer kit isolates vibration to enhance cabin comfort. This approach eliminates the need for custom brackets or shims and maintains the intended crankshaft-to-pinion angle for optimal power transfer. The result is a versatile platform that accommodates common GM automatics without additional expense or delay.

Unified Kit Configuration for Streamlined Installation

Rather than sourcing components from multiple vendors, this all-in-one package includes two motor mounts, two frame brackets, a transmission crossmember, outer brackets, a dedicated polyurethane mount with spacers, and a complete hardware pack. Each bracket is CNC laser cut to match the contours of the 1970 through 1972 A Body frame rails, which cuts install time dramatically and reduces alignment trial and error. The unified design ensures that every fastener and spacer is optimized for this specific application, so installers can focus on bolting parts in place instead of on-site modifications. This cohesive strategy delivers a plug-and-play solution that drives down labor costs and enhances repeatability for professional shops and home builders alike.

Count on MuscleRods for precise design and reliable performance and for a more robust kit that lets you select parts to suit your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

  • 1970-1972 Chevy Monte Carlo

Specifications

  • SKU: LSX17
  • Swap Engine: LS
  • Body Type: A-Body Monte Carlo
  • Brand: Muscle Rods
  • Compatible Engine Models: Most Gen III/IV LS Engines (e.g., LS1, LS2, LS3, 5.3L, 6.0L) when used with a compatible high clearance oil pan and appropriate intake for Monte Carlo (A-Body/G-Platform) hood clearance.
  • Compatible Transmissions: 4L60E, 4L80E (without tunnel modifications); Other transmission types may require modifications.
  • What's Included:
    • (2) Motor Mounts
    • (2) Frame Brackets
    • (1) Transmission Crossmember
    • (2) Crossmber Outer Brackets
    • (1) Polyurethane Transmission Mount and Spacers
    • (1) Installation Hardware Pack

Key Features

  • Tailor-made for 1970-1972 GM A-Body Monte Carlo
  • Maintains correct drivetrain angle to eliminate vibrations
  • Compatible with 4L60E and 4L80E transmissions
  • Designed for high clearance oil pan
  • Robust construction with high-quality materials for durability
  • Proudly made in the USA

Benefits

  • Ensures perfect, hassle-free fit on 1970-1972 Monte Carlo
  • Eliminates drivetrain vibrations for a smoother, more comfortable ride
  • Supports both 4L60E and 4L80E transmissions for installation versatility
  • Aligns seamlessly with high clearance oil pans for precise performance
  • Delivers long-lasting durability with premium, heavy-duty materials
  • Guarantees quality craftsmanship through US-based design and manufacturing

This Item Assigned to Category and Also Fits:

Description

Complete MuscleRods LS Engine Swap Kit for 1970-1972 Chevy Monte Carlo

Swapping an LS engine into a classic A Body Monte Carlo often hinges on precise mount placement and correct drivetrain angle; the 1970-1972 Monte Carlo LS Conversion Kit consolidates mounts, brackets, and a crossmember for a precision fit. By holding the crankshaft and torque converter in the ideal plane, the kit preserves smooth power flow and cuts out vibration that can wear out universal joints. It supports both 4L60E and 4L80E transmissions without requiring tunneling or other fabrication and accommodates deep oil pans for better clearance. Each steel component is crafted in the USA and TIG welded at critical points for long-lasting durability within the A Body frame.

Precision Alignment for Smooth Driveline Operation

The conversion kit secures the LS engine and automatic transmission at the exact plane needed to preserve the correct drivetrain angle in a 1970–1972 Monte Carlo A Body frame. This careful alignment minimizes vibration at the universal joints, which in turn protects the driveshaft and transmission input seal from premature wear. It also creates sufficient space above the subframe rails to clear aftermarket oil pans without any grinding or fabrication. By maintaining this geometry, the assembly delivers a refined driving experience that feels crisp and controlled under both light throttle and spirited acceleration.

Heavy Gauge Steel Components with TIG Welded Precision

Each motor mount and frame bracket is fabricated from high grade steel plate and features TIG welded reinforcement at stress concentration points. TIG welding produces a clean, consistent bead that enhances fatigue resistance where engine torque tries to flex the rail. All parts are produced in the United States, adhering to strict quality standards for material composition and weld penetration. This robust construction ensures that even during hard launches or track use, the mounting system remains rigid and reliable.

Adaptable Transmission Crossmember for 4L60E and 4L80E

The integrated crossmember is engineered to accept both 4L60E and 4L80E transmissions without requiring tunnel modifications. Precision-spaced mounting holes align with factory frame rail profiles to guarantee a drop-in fit, while the included polyurethane transmission mount and spacer kit isolates vibration to enhance cabin comfort. This approach eliminates the need for custom brackets or shims and maintains the intended crankshaft-to-pinion angle for optimal power transfer. The result is a versatile platform that accommodates common GM automatics without additional expense or delay.

Unified Kit Configuration for Streamlined Installation

Rather than sourcing components from multiple vendors, this all-in-one package includes two motor mounts, two frame brackets, a transmission crossmember, outer brackets, a dedicated polyurethane mount with spacers, and a complete hardware pack. Each bracket is CNC laser cut to match the contours of the 1970 through 1972 A Body frame rails, which cuts install time dramatically and reduces alignment trial and error. The unified design ensures that every fastener and spacer is optimized for this specific application, so installers can focus on bolting parts in place instead of on-site modifications. This cohesive strategy delivers a plug-and-play solution that drives down labor costs and enhances repeatability for professional shops and home builders alike.

Count on MuscleRods for precise design and reliable performance and for a more robust kit that lets you select parts to suit your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

Fitment

  • 1970-1972 Chevy Monte Carlo
  • Compatible Engine Models: Most Gen III/IV LS Engines (e.g., LS1, LS2, LS3, 5.3L, 6.0L) when used with a compatible high clearance oil pan and appropriate intake for Monte Carlo (A-Body/G-Platform) hood clearance.
  • Compatible Transmissions: 4L60E, 4L80E (without tunnel modifications); Other transmission types may require modifications.
Features
  • Tailor-made for 1970-1972 GM A-Body Monte Carlo
  • Maintains correct drivetrain angle to eliminate vibrations
  • Compatible with 4L60E and 4L80E transmissions
  • Designed for high clearance oil pan
  • Robust construction with high-quality materials for durability
  • Proudly made in the USA
Benefits
  • Ensures perfect, hassle-free fit on 1970-1972 Monte Carlo
  • Eliminates drivetrain vibrations for a smoother, more comfortable ride
  • Supports both 4L60E and 4L80E transmissions for installation versatility
  • Aligns seamlessly with high clearance oil pans for precise performance
  • Delivers long-lasting durability with premium, heavy-duty materials
  • Guarantees quality craftsmanship through US-based design and manufacturing
What's Included
  • (2) Motor Mounts
  • (2) Frame Brackets
  • (1) Transmission Crossmember
  • (2) Crossmber Outer Brackets
  • (1) Polyurethane Transmission Mount and Spacers
  • (1) Installation Hardware Pack
Specifications
  • SKU: LSX17
  • Brand: Muscle Rods
  • Swap Engine: LS
  • Body Type: A-Body Monte Carlo