Filters

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

1984-1991 Corvette LS Conversion Kit


1984-1991 Corvette LS Conversion Kit
Purchase 1984-1991 Corvette LS Conversion Kit
  • 1984-1991 Corvette LS Conversion Kit

  • $519.00

  • Select Transmission:  

1984-1991 C4 Uniframe Corvette LS Swap Power by MuscleRods

For a hassle free LS installation in your C4 Generation (Uniframe) Corvette, these precision engineered mounts maintain optimal drivetrain angle to eliminate vibration and require no transmission tunnel alterations. Backed by American craftsmanship and featuring exact F-Body oil pan fit, the MuscleRods kit guarantees a precise fit in any 1984 to 1991 Corvette and delivers lasting strength and smooth driving under demanding conditions.

MuscleRods LS Engine Swap Kit for 1984-1991 Chevy Corvette

The 1984 to 1991 Corvette LS Conversion Kit addresses the fit and vibration issues that often arise when installing an LS engine into a C4 Uniframe chassis. Designed specifically for Chevy Corvettes from 1984 through 1991, this kit maintains optimal drivetrain angles while accommodating ZF, T56, and 4L60E transmissions without any tunnel modifications. It also features precision engineered mounts and an exact fitting F-Body oil pan configuration to cut down installation time. MuscleRods has built each component to strict quality standards so you can tackle your swap with confidence.

Maintaining Precision Drivetrain Geometry

The kit's engine and transmission mounts are shaped to preserve the angle of the driveline, eliminating unwanted vibrations that can arise from mismatched geometry. By aligning the LS powerplant within the uniframe structure of C4 Corvettes, drivers notice smoother power delivery and reduced fatigue on gearbox bearings. This precise geometry control also contributes to more consistent tire contact during acceleration and deceleration, improving both ride comfort and control. Such attention to alignment reflects the kit's focus on seamless mechanical integration.

Transmission Compatibility Without Tunnel Alterations

Designed for ZF, T56, and 4L60E transmissions, the conversion kit allows installation without cutting or reshaping the transmission tunnel. This saves several hours of labor and preserves the original chassis strength and appearance. Even when using the original ZF six speed manual gearbox, the brackets and mounts keep the gearbox in its factory position. The result is a clean swap that respects the Corvette's structural integrity.

Exact F Body Oil Pan Fitment for Leak Prevention

An exact fit for F Body style oil pans ensures proper oil flow and leak free operation. The pan and block adapter bolt pattern is matched to the Corvette uniframe, so there is no need for or concern over gaskets that are prone to misalignment. Combined with a low profile intake spacer, the pan tucks under the hood without contact, preserving engine clearances and service access. This careful fitment reduces post install troubleshooting and protects the LS pump drive from excess strain.

Purpose Built Mounting Components for Reliable Support

Included in the kit are two motor mounts, one C beam bracket, and all required bolt kits for the engine and bracket assembly. These components are crafted from thick wall steel and finished with industrial grade coatings for corrosion resistance. Each bracket and mount is proof tested to withstand the torque impulse of modern LS engines, ensuring the package holds up under spirited driving and track use. The complete hardware set streamlines the assembly, letting even those new to this swap achieve professional results.

Count on MuscleRods for a straightforward installation. For a more robust and fully customizable solution that lets you select parts to suit your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

  • 1984-1991 Chevy Corvette

Specifications

  • SKU: LSX31
  • Swap Engine: LS
  • Body Type: C4 Generation (Uniframe)
  • Brand: Muscle Rods
  • Compatible Engine Models: Most Gen III/IV LS Engines (e.g., LS1, LS2, LS3, 5.3L, 6.0L) when used with an F-Body Style Oil pan and appropriate low-profile intake for C4 Corvette hood clearance.
  • Compatible Transmissions: ZF 6-speed (original C4 manual), T56, 4L60E (T56/4L60E without tunnel modifications); Other transmissions may require minor adjustments.
  • What's Included:
    • (2) Motor Mounts
    • (1) C-Beam Bracket
    • (1) Engine Mount Bolt Kit
    • (1) C-Beam Bolt Kit

Key Features

  • Maintains optimal drivetrain angle to prevent unwanted vibrations
  • No transmission tunnel modifications needed for ZF, T56, or 4L60E
  • Custom-engineered for seamless fit in 1984-1991 Chevrolet Corvette
  • Compatible with F-Body oil pan for exact fit
  • No-compromise design ensures durability and performance
  • Proudly made in the USA

Benefits

  • Experience smoother driving with minimized vibrations
  • Save installation time with no tunnel cutting or reshaping
  • Guarantees precise fit in 1984-1991 Corvettes for hassle-free upgrades
  • Ensures exact F-Body oil pan fit to prevent leaks
  • Delivers lasting strength and peak performance under demanding use
  • Supports American manufacturing with trusted quality and craftsmanship

This Item Assigned to Category and Also Fits:

Description

MuscleRods LS Engine Swap Kit for 1984-1991 Chevy Corvette

The 1984 to 1991 Corvette LS Conversion Kit addresses the fit and vibration issues that often arise when installing an LS engine into a C4 Uniframe chassis. Designed specifically for Chevy Corvettes from 1984 through 1991, this kit maintains optimal drivetrain angles while accommodating ZF, T56, and 4L60E transmissions without any tunnel modifications. It also features precision engineered mounts and an exact fitting F-Body oil pan configuration to cut down installation time. MuscleRods has built each component to strict quality standards so you can tackle your swap with confidence.

Maintaining Precision Drivetrain Geometry

The kit's engine and transmission mounts are shaped to preserve the angle of the driveline, eliminating unwanted vibrations that can arise from mismatched geometry. By aligning the LS powerplant within the uniframe structure of C4 Corvettes, drivers notice smoother power delivery and reduced fatigue on gearbox bearings. This precise geometry control also contributes to more consistent tire contact during acceleration and deceleration, improving both ride comfort and control. Such attention to alignment reflects the kit's focus on seamless mechanical integration.

Transmission Compatibility Without Tunnel Alterations

Designed for ZF, T56, and 4L60E transmissions, the conversion kit allows installation without cutting or reshaping the transmission tunnel. This saves several hours of labor and preserves the original chassis strength and appearance. Even when using the original ZF six speed manual gearbox, the brackets and mounts keep the gearbox in its factory position. The result is a clean swap that respects the Corvette's structural integrity.

Exact F Body Oil Pan Fitment for Leak Prevention

An exact fit for F Body style oil pans ensures proper oil flow and leak free operation. The pan and block adapter bolt pattern is matched to the Corvette uniframe, so there is no need for or concern over gaskets that are prone to misalignment. Combined with a low profile intake spacer, the pan tucks under the hood without contact, preserving engine clearances and service access. This careful fitment reduces post install troubleshooting and protects the LS pump drive from excess strain.

Purpose Built Mounting Components for Reliable Support

Included in the kit are two motor mounts, one C beam bracket, and all required bolt kits for the engine and bracket assembly. These components are crafted from thick wall steel and finished with industrial grade coatings for corrosion resistance. Each bracket and mount is proof tested to withstand the torque impulse of modern LS engines, ensuring the package holds up under spirited driving and track use. The complete hardware set streamlines the assembly, letting even those new to this swap achieve professional results.

Count on MuscleRods for a straightforward installation. For a more robust and fully customizable solution that lets you select parts to suit your needs see our Complete LS Swap Kits - LS Kit Builder.

Fitment

Fitment

  • 1984-1991 Chevy Corvette
  • Compatible Engine Models: Most Gen III/IV LS Engines (e.g., LS1, LS2, LS3, 5.3L, 6.0L) when used with an F-Body Style Oil pan and appropriate low-profile intake for C4 Corvette hood clearance.
  • Compatible Transmissions: ZF 6-speed (original C4 manual), T56, 4L60E (T56/4L60E without tunnel modifications); Other transmissions may require minor adjustments.
Features
  • Maintains optimal drivetrain angle to prevent unwanted vibrations
  • No transmission tunnel modifications needed for ZF, T56, or 4L60E
  • Custom-engineered for seamless fit in 1984-1991 Chevrolet Corvette
  • Compatible with F-Body oil pan for exact fit
  • No-compromise design ensures durability and performance
  • Proudly made in the USA
Benefits
  • Experience smoother driving with minimized vibrations
  • Save installation time with no tunnel cutting or reshaping
  • Guarantees precise fit in 1984-1991 Corvettes for hassle-free upgrades
  • Ensures exact F-Body oil pan fit to prevent leaks
  • Delivers lasting strength and peak performance under demanding use
  • Supports American manufacturing with trusted quality and craftsmanship
What's Included
  • (2) Motor Mounts
  • (1) C-Beam Bracket
  • (1) Engine Mount Bolt Kit
  • (1) C-Beam Bolt Kit
Specifications
  • SKU: LSX31
  • Brand: Muscle Rods
  • Swap Engine: LS
  • Body Type: C4 Generation (Uniframe)