8th gear car GM Performance 8-Speed Automatic

GM Performance 8-Speed Automatic 8L90 – Blackbridge Engineering 4x4 Edition for Mark IV

Take your Mark IV’s performance to the next level with the GM Performance 8-Speed Automatic 8L90 transmission, expertly modified by Blackbridge Engineering to be 4x4-ready. This transmission is purpose-built to seamlessly bolt into your Mark IV, perfectly integrating with our custom Mark IV transfer case and GM LT1 engine. Offering smooth, high-performance shifting and rugged durability, this 8-speed automatic is designed for those who demand both power and off-road capability.

Key Features:

• 4x4-Ready Modification: Blackbridge Engineering has modified the 8L90 transmission for full 4x4 compatibility, allowing you to harness the power of GM’s performance transmission across a variety of terrains with confidence.
• Seamless Integration: Engineered to bolt directly into your Mark IV with our Mark IV transfer case and LT1 engine, this transmission eliminates the need for major modifications. Enjoy a factory-like fit and function with maximum reliability.
• High-Performance Shifting: The 8L90 delivers smooth, precise gear changes, with eight well-spaced ratios to optimize both acceleration and fuel efficiency, whether you’re cruising on the highway or tackling tough off-road trails.
• Rugged Durability: Built to handle the high torque of the LT1 engine, the 8L90’s robust design ensures it can handle the most demanding conditions, providing the strength and durability you need for both street and off-road driving.

Transmission Specs:

• Type: 8-speed automatic transmission
• Ratios:
  • 1st: 4.56
  • 2nd: 2.97
  • 3rd: 2.08
  • 4th: 1.69
  • 5th: 1.27
  • 6th: 1.00
  • 7th: 0.85
  • 8th: 0.65
• Max Torque Capacity: 664 lb-ft
• Construction: Lightweight aluminum case with heavy-duty internal components for maximum strength

Ideal for:

• Off-Road Enthusiasts: Modified to be 4x4-ready, this transmission is perfect for those looking to take their Mark IV off-road, providing exceptional control and power delivery across rough terrains.
• Street Performance: With eight gears delivering smooth transitions and improved fuel efficiency, the 8L90 is just as at home on the street as it is in the dirt, making it a versatile choice for a wide range of driving styles.
• Custom Builds: Perfect for Mark IV builds paired with the LT1 engine and Blackbridge’s transfer case, creating a powerful and fully integrated drivetrain solution.

Compatibility:

• Designed for seamless integration with the GM LT1 engine and Blackbridge’s custom Mark IV transfer case, offering a true bolt-in solution for all Mark IV models.

Why Choose Blackbridge Engineering’s 8L90 for Mark IV:

• 4x4-Ready from the Start: Our modifications ensure the transmission is ready for off-road use, making your Mark IV capable of conquering any terrain.
• Plug-and-Play Solution: With direct compatibility with our LT1 engine and transfer case, this transmission installs effortlessly, saving time and eliminating complex modifications.
• Expertly Engineered: Blackbridge Engineering’s attention to detail ensures top-tier performance, reliability, and durability, whether you’re driving on highways or off-road trails.

Upgrade your Mark IV with the GM Performance 8L90 8-Speed Automatic transmission, modified by Blackbridge Engineering to be 4x4-ready and fully compatible with our LT1 engine and Mark IV transfer case. Experience unmatched power, seamless integration, and rugged performance.

Order now and elevate your Mark IV’s drivetrain with Blackbridge Motors.