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1991-1996 B-Body LS Conversion Kit


1991-1996 B-Body LS Conversion Kit
Purchase 1991-1996 B-Body LS Conversion Kit
  • 1991-1996 B-Body LS Conversion Kit

  • $529.00

    SKU: LSX5

  • Select Transmission:  

MuscleRods Direct Fit LS Swap for 1991-1996 Chevy B-Body

For drivers seeking hassle free LS integration in Caprice and Impala chassis, precision engineered mounts and optimized driveline geometry guarantee smooth and vibration free operation without tunnel alterations for T56, 4L60E and 4L80E transmissions. MuscleRods uses USA built steel components, supports the LH8 oil pan and delivers extra ground clearance for long lasting reliability. Installation is streamlined with all necessary hardware and precision weld tabs included, so you complete the swap faster and unlock torque improvements right away.

MuscleRods LS Engine Swap Kit for 1991-1996 B-Body Chevy Caprice and 1994-1996 Chevy Impala

Swapping an LS powerplant into a B Body Caprice or Impala from 1991 through 1996 often presents challenges in maintaining factory engine tilt and avoiding driveshaft vibration. The 1991-1996 B-Body LS Conversion Kit from MuscleRods is engineered to solve these issues by using precision machined steel mounts and a crossmember that bolts on to fit T56, 4L60E and 4L80E transmissions without any transmission tunnel changes. It also accommodates standard and LH8 oil pan profiles to deliver underbody clearance and ensures proper pickup placement for consistent oil scavenging while precise driveline alignment protects universal joints and transmission bearings from stress and vibration.

Precision Engine Pitch and Driveline Alignment

By preserving the factory engine tilt angle the kit ensures the transmission spline and driveshaft share a consistent centerline. This level of precision alignment significantly reduces vibration and stress on universal joints and transmission bearings under load and extends the service life of these components. When torque is applied the even geometry prevents side loading on the drivetrain and minimises unwanted noise in the cabin for a refined driving feel. Accurate angle control also supports reliable operation during spirited acceleration or steady highway cruising without introducing feedback to the chassis.

Bolt On Crossmember for Simplified Transmission Integration

The dedicated crossmember attaches directly to the factory frame rails of the 1991 through 1996 Caprice and Impala chassis without any need for transmission tunnel changes. Pre machined mounting faces accept T56 4L60E and 4L80E gearboxes at the correct height and angle from the first fit. This approach speeds up installation by removing complex fabrication steps and prevents shaft binding throughout suspension travel to keep torque delivery consistent over rough road surfaces. By maintaining proper spatial relation to the suspension mounts the design also helps avoid premature wear on yokes and bearing surfaces.

Oil Pan Fitment for Enhanced Undercarriage Clearance

Supporting both standard LS pan profiles and the LH8 design the kit positions the oil pan low enough to maximise ground clearance while maintaining optimal pick up placement. Each bracket and frame interface is engineered to avoid contact with road debris and irregular terrain without compromising scavenging performance during cornering or rapid throttle transitions. Builders can therefore choose the pan that best suits their stance or clearance requirements without modifying the mounts. This adaptability helps preserve engine oil levels under all driving conditions to protect the sump and maintain consistent lubrication.

American Machined Steel Mounts and Hardware Pack

Each motor mount and frame bracket is precision machined from high grade steel in the United States to exact tolerances for reliable fitment without the need for trimming or test fitting. CNC forming and welds ensure consistent assembly and uniform strength across all components. The included polyurethane transmission mount absorbs driveline shock and reduces gear rattle under load to keep connections solid and responsive. By supplying motor mounts, frame brackets, a crossmember and a full hardware pack in one box this kit removes sourcing delays and streamlines the entire assembly process.

Trust MuscleRods for unmatched fit and reliability in every swap. Explore a more robust kit where you can build this same kit but this is a customizable kit where the user can select their own parts to better suit their needs by visiting our Complete LS Swap Kits - LS Kit Builder.

Fitment

  • 1991-1996 Chevy Caprice
  • 1994-1996 Chevy Impala

Specifications

  • SKU: LSX5
  • Swap Engine: LS
  • Body Type: B-Body
  • 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 or Cast Aluminum Retro Style Oil Pan and appropriate intake for B-Body hood clearance.
  • Compatible Transmissions: T56, 4L60E, 4L80E (without tunnel modifications); Other transmission types may require minor modifications.
  • What's Included:
    • (2) Motor Mounts
    • (2) Frame Brackets
    • (1) Transmission Crossmember
    • (2) Crossmember Brackets
    • (1) Driver-Side Secondary Bracket
    • (1) Polyurethane Transmission Mount
    • (1) Installation Hardware Pack

Key Features

  • Correct drivetrain angle for vibration-free performance
  • Direct fit for 1991-1996 Caprice and 1994-1996 Impala
  • No transmission tunnel modifications for T56, 4L60E, 4L80E
  • High clearance oil pan compatibility for extra ground clearance
  • Compatible with LH8 oil pan for installation flexibility
  • Proudly engineered and manufactured in the USA

Benefits

  • Enjoy a smoother, vibration-free driving experience
  • Ensures direct fit on 1991-1996 Caprice and 1994-1996 Impala
  • Eliminates transmission tunnel mods for quicker installation
  • Offers extra ground clearance for rugged road conditions
  • Lets you choose LH8 oil pan for installation flexibility
  • Ensures top quality and dependability with USA-made parts

This Item Assigned to Category and Also Fits:

Description

MuscleRods LS Engine Swap Kit for 1991-1996 B-Body Chevy Caprice and 1994-1996 Chevy Impala

Swapping an LS powerplant into a B Body Caprice or Impala from 1991 through 1996 often presents challenges in maintaining factory engine tilt and avoiding driveshaft vibration. The 1991-1996 B-Body LS Conversion Kit from MuscleRods is engineered to solve these issues by using precision machined steel mounts and a crossmember that bolts on to fit T56, 4L60E and 4L80E transmissions without any transmission tunnel changes. It also accommodates standard and LH8 oil pan profiles to deliver underbody clearance and ensures proper pickup placement for consistent oil scavenging while precise driveline alignment protects universal joints and transmission bearings from stress and vibration.

Precision Engine Pitch and Driveline Alignment

By preserving the factory engine tilt angle the kit ensures the transmission spline and driveshaft share a consistent centerline. This level of precision alignment significantly reduces vibration and stress on universal joints and transmission bearings under load and extends the service life of these components. When torque is applied the even geometry prevents side loading on the drivetrain and minimises unwanted noise in the cabin for a refined driving feel. Accurate angle control also supports reliable operation during spirited acceleration or steady highway cruising without introducing feedback to the chassis.

Bolt On Crossmember for Simplified Transmission Integration

The dedicated crossmember attaches directly to the factory frame rails of the 1991 through 1996 Caprice and Impala chassis without any need for transmission tunnel changes. Pre machined mounting faces accept T56 4L60E and 4L80E gearboxes at the correct height and angle from the first fit. This approach speeds up installation by removing complex fabrication steps and prevents shaft binding throughout suspension travel to keep torque delivery consistent over rough road surfaces. By maintaining proper spatial relation to the suspension mounts the design also helps avoid premature wear on yokes and bearing surfaces.

Oil Pan Fitment for Enhanced Undercarriage Clearance

Supporting both standard LS pan profiles and the LH8 design the kit positions the oil pan low enough to maximise ground clearance while maintaining optimal pick up placement. Each bracket and frame interface is engineered to avoid contact with road debris and irregular terrain without compromising scavenging performance during cornering or rapid throttle transitions. Builders can therefore choose the pan that best suits their stance or clearance requirements without modifying the mounts. This adaptability helps preserve engine oil levels under all driving conditions to protect the sump and maintain consistent lubrication.

American Machined Steel Mounts and Hardware Pack

Each motor mount and frame bracket is precision machined from high grade steel in the United States to exact tolerances for reliable fitment without the need for trimming or test fitting. CNC forming and welds ensure consistent assembly and uniform strength across all components. The included polyurethane transmission mount absorbs driveline shock and reduces gear rattle under load to keep connections solid and responsive. By supplying motor mounts, frame brackets, a crossmember and a full hardware pack in one box this kit removes sourcing delays and streamlines the entire assembly process.

Trust MuscleRods for unmatched fit and reliability in every swap. Explore a more robust kit where you can build this same kit but this is a customizable kit where the user can select their own parts to better suit their needs by visiting our Complete LS Swap Kits - LS Kit Builder.

Fitment

Fitment

  • 1991-1996 Chevy Caprice
  • 1994-1996 Chevy Impala
  • Compatible Transmissions: T56, 4L60E, 4L80E (without tunnel modifications); Other transmission types may require minor modifications.
Features
  • Correct drivetrain angle for vibration-free performance
  • Direct fit for 1991-1996 Caprice and 1994-1996 Impala
  • No transmission tunnel modifications for T56, 4L60E, 4L80E
  • High clearance oil pan compatibility for extra ground clearance
  • Compatible with LH8 oil pan for installation flexibility
  • Proudly engineered and manufactured in the USA
Benefits
  • Enjoy a smoother, vibration-free driving experience
  • Ensures direct fit on 1991-1996 Caprice and 1994-1996 Impala
  • Eliminates transmission tunnel mods for quicker installation
  • Offers extra ground clearance for rugged road conditions
  • Lets you choose LH8 oil pan for installation flexibility
  • Ensures top quality and dependability with USA-made parts
What's Included
  • (2) Motor Mounts
  • (2) Frame Brackets
  • (1) Transmission Crossmember
  • (2) Crossmember Brackets
  • (1) Driver-Side Secondary Bracket
  • (1) Polyurethane Transmission Mount
  • (1) Installation Hardware Pack
Specifications
  • SKU: LSX5
  • Brand: Muscle Rods
  • Swap Engine: LS
  • Body Type: B-Body