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1973-1987 GM Truck 4WD LT Engine Mounts and Frame Bracket Kit


1973-1987 GM Truck 4WD LT Engine Mounts and Frame Bracket Kit
Purchase 1973-1987 GM Truck 4WD LT Engine Mounts and Frame Bracket Kit
  • 1973-1987 GM Truck 4WD LT Engine Mounts and Frame Bracket Kit

  • $349.00

    SKU: 420-1402-00

1973-1987 GM 4WD Trucks LT Engine Mounts & Frame Brackets

Precision alignment for LT engine installations in 1973 thru 1987 GM trucks and 1973 thru 1991 GM SUVs in 4x4 1/2 ton and 3/4 ton models ensures reliable fit and consistent torque readings. The kit includes heavy duty engine mounts and robust frame brackets plus an AC and power steering bracket engineered for the 6.6L L8T engine. Prealigned mounting points deliver precise placement and the design integrates with MuscleRods engine mount kits for secure attachment.

LT Series AC and Power Steering Bracket for 6.6L L8T Engines

Swapping a 6.6L L8T LT engine into GM half ton trucks built between 1973 and 1987 or SUVs produced from 1973 through 1991 often stalls when accessory mounts do not match block bosses. The LT Series AC/Power Steering Bracket 6.6L L8T aligns the air conditioning compressor and power steering pump to factory bosses, preserving belt path and preventing pulley interference. Included engine mounts and frame brackets position the powerplant at the correct height and angle. Constructed from heavy gauge steel with reinforced gussets, the bracket resists vibration and holds components firmly in place. Installation uses original GM bolts and pre drilled holes to guide each fastener. Precise accessory fitment delivers quiet belt tracking under load.

Precision Design and Fitment

The LT Series AC/Power Steering Bracket 6.6L L8T is engineered specifically for 1973-1987 GM trucks and 1973-1991 SUVs. Its custom machined attachment points align with the factory block patterns, preserving OEM service access and eliminating the need for modifications or spacers. By accurately setting the accessory pulleys relative to the crankshaft, this bracket ensures consistent belt tension across all operating speeds. When paired with MuscleRods mounts, the engine is held at its ideal height and angle, maintaining proper driveline geometry. This precise positioning reduces vibration feedback through the firewall and extends the service life of belts and pulleys by preventing misalignment that can lead to premature wear.

Structural Integrity and Durability

This bracket is crafted from high-strength alloy steel to stand up to daily highway use and even the most challenging off road excursions. Critical stress zones feature CNC machined reinforcements that resist flex and protect against fatigue over thousands of cycles. The robust plate design absorbs torque loads from power steering and AC operation, preventing movement that could disrupt accessory performance. A corrosion resistant coating preserves surface integrity in wet or salty conditions, so the bracket maintains its precise geometry over years of service. The carefully balanced material choice adds minimal weight while delivering exceptional rigidity for reliable accessory support.

Streamlined Installation and Enhanced Stability

Installation requires no drilling, trimming or alignment shims, reducing swap time by aligning all mounting bosses in a single step. Factory bolt patterns guide the bracket into place, and accessories drop onto predrilled studs for a hassle-free assembly. The result is improved engine stability that translates to smoother steering feel and uninterrupted AC function under varying loads. Minimizing bracket movement also cuts down on belt wear and prevents accessory noise, so drivers enjoy consistent performance on both open roads and tight turns. By focusing on plug and play fitment, this bracket lets technicians complete engine conversions quickly, with confidence in lasting reliability.

This LT Series bracket delivers factory-aligned accessory mounting and robust support for your 6.6L L8T engine swap, ensuring quiet belt tracking and consistent steering feel.

Specifications

  • SKU: 420-1402-00
  • Swap Engine: LT
  • Brand: Muscle Rods
  • What's Included:
    • engine mounts
    • frame brackets

Key Features

  • Custom fitment for 1973-1987 GM trucks and 1973-1991 SUVs
  • Pre-aligned mounting points for precision engine alignment
  • High-strength construction withstands rugged terrain and highway drives
  • Easy, hassle-free installation minimizes swap time and frustration
  • Enhanced engine stability for improved off-road and highway performance

Benefits

  • Ensures precise compatibility with classic GM trucks and SUVs
  • Eliminates alignment guesswork for faster, accurate engine swaps
  • Provides lasting durability through rugged off-road and highway conditions
  • Speeds up engine swaps with straightforward, user-friendly installation
  • Enhances stability for smoother off-road maneuvers and highway cruising

This Item Assigned to Category and Also Fits:

Description

LT Series AC and Power Steering Bracket for 6.6L L8T Engines

Swapping a 6.6L L8T LT engine into GM half ton trucks built between 1973 and 1987 or SUVs produced from 1973 through 1991 often stalls when accessory mounts do not match block bosses. The LT Series AC/Power Steering Bracket 6.6L L8T aligns the air conditioning compressor and power steering pump to factory bosses, preserving belt path and preventing pulley interference. Included engine mounts and frame brackets position the powerplant at the correct height and angle. Constructed from heavy gauge steel with reinforced gussets, the bracket resists vibration and holds components firmly in place. Installation uses original GM bolts and pre drilled holes to guide each fastener. Precise accessory fitment delivers quiet belt tracking under load.

Precision Design and Fitment

The LT Series AC/Power Steering Bracket 6.6L L8T is engineered specifically for 1973-1987 GM trucks and 1973-1991 SUVs. Its custom machined attachment points align with the factory block patterns, preserving OEM service access and eliminating the need for modifications or spacers. By accurately setting the accessory pulleys relative to the crankshaft, this bracket ensures consistent belt tension across all operating speeds. When paired with MuscleRods mounts, the engine is held at its ideal height and angle, maintaining proper driveline geometry. This precise positioning reduces vibration feedback through the firewall and extends the service life of belts and pulleys by preventing misalignment that can lead to premature wear.

Structural Integrity and Durability

This bracket is crafted from high-strength alloy steel to stand up to daily highway use and even the most challenging off road excursions. Critical stress zones feature CNC machined reinforcements that resist flex and protect against fatigue over thousands of cycles. The robust plate design absorbs torque loads from power steering and AC operation, preventing movement that could disrupt accessory performance. A corrosion resistant coating preserves surface integrity in wet or salty conditions, so the bracket maintains its precise geometry over years of service. The carefully balanced material choice adds minimal weight while delivering exceptional rigidity for reliable accessory support.

Streamlined Installation and Enhanced Stability

Installation requires no drilling, trimming or alignment shims, reducing swap time by aligning all mounting bosses in a single step. Factory bolt patterns guide the bracket into place, and accessories drop onto predrilled studs for a hassle-free assembly. The result is improved engine stability that translates to smoother steering feel and uninterrupted AC function under varying loads. Minimizing bracket movement also cuts down on belt wear and prevents accessory noise, so drivers enjoy consistent performance on both open roads and tight turns. By focusing on plug and play fitment, this bracket lets technicians complete engine conversions quickly, with confidence in lasting reliability.

This LT Series bracket delivers factory-aligned accessory mounting and robust support for your 6.6L L8T engine swap, ensuring quiet belt tracking and consistent steering feel.

Features
  • Custom fitment for 1973-1987 GM trucks and 1973-1991 SUVs
  • Pre-aligned mounting points for precision engine alignment
  • High-strength construction withstands rugged terrain and highway drives
  • Easy, hassle-free installation minimizes swap time and frustration
  • Enhanced engine stability for improved off-road and highway performance
Benefits
  • Ensures precise compatibility with classic GM trucks and SUVs
  • Eliminates alignment guesswork for faster, accurate engine swaps
  • Provides lasting durability through rugged off-road and highway conditions
  • Speeds up engine swaps with straightforward, user-friendly installation
  • Enhances stability for smoother off-road maneuvers and highway cruising
What's Included
  • engine mounts
  • frame brackets
Specifications
  • SKU: 420-1402-00
  • Brand: Muscle Rods
  • Swap Engine: LT