Lakewood Cast Aluminum Bellhousing Kit: Mopar Gen III Hemi to GM 4L80E/4L85E Transmission

Lakewood Cast Aluminum Bellhousing Kit

Mopar Gen III Hemi to 4L80E/4L85E Transmission

LK7500K

Overview:

The Lakewood Cast Aluminum Bellhousing Kit is engineered to seamlessly connect Mopar Gen III Hemi engines to GM's robust 4L80E and 4L85E automatic transmissions. This kit offers a compact, lightweight, and cost-effective solution for enthusiasts and builders performing transmission swaps that do not require SFI certification. Ideal for custom builds and performance projects, the LK7500K provides reliable alignment and starter compatibility while maintaining a clean, professional installation.

Designed with practicality and durability in mind, this bellhousing kit simplifies the integration of Mopar powerplants with GM transmissions, making it an excellent choice for street rods, muscle cars, and restomods looking to combine Mopar’s legendary Hemi engines with proven GM automatic transmissions.

Key Features:

This bellhousing kit delivers a range of features that enhance fitment, installation ease, and overall performance compatibility:

• Direct fit for Mopar Gen III Hemi engines paired with 4L80E or 4L85E transmissions
• Includes a block plate that ensures proper starter alignment and acts as a dust shield for mid-sump oil pans
• Dual starter pockets accommodate starter placement on either passenger (right) or driver (left) side
• Starter block-off plates included for whichever starter pocket is not used
• Inspection panel with cover for convenient access and maintenance
• Grade 8/10.9 hardware kit supplied for both engine and transmission mounting
• Lightweight cast aluminum construction mimics original equipment bellhousing design
• Cost-effective alternative to steel SFI-rated bellhousings for non-certified applications
• Includes RTV sealant for pump bolt installation to ensure leak-free assembly

Construction & Design:

The bellhousing is crafted from high-quality cast aluminum, providing a strong yet lightweight solution that closely resembles OEM bellhousing designs. This material choice reduces overall weight compared to traditional steel bellhousings, contributing to improved vehicle balance and handling. The precision casting ensures accurate alignment between the Mopar Gen III Hemi engine and the GM 4L80E/4L85E transmission, minimizing drivetrain vibrations and enhancing reliability.

Attention to detail is evident in the inclusion of dual starter pockets and block plates, allowing flexibility in starter placement without compromising structural integrity. The inspection cover adds convenience for routine checks and maintenance, while the supplied hardware meets stringent Grade 8/10.9 standards for secure and durable fastening.

Installation & Fitment:

The Lakewood LK7500K bellhousing kit is designed for straightforward installation with Mopar Gen III Hemi engines and GM 4L80E or 4L85E transmissions. The kit includes all necessary hardware for mounting, reducing the need for additional parts. Builders will need to select a compatible flexplate—Lakewood recommends Hays part numbers 40-510 or 11-021—and order a custom torque converter, with Circle D Specialties offering billet cover options that match OEM NAG1 or 8HP converter bolt patterns.

Starter compatibility is ensured with dual starter pockets, accommodating either passenger or driver side starters. The kit includes block-off plates for the unused starter location, maintaining a clean and professional appearance. The included block plate also serves as a dust shield, protecting mid-sump oil pans during operation.

What's Included:

• Cast aluminum bellhousing
• Block plate for starter alignment and dust shielding
• Dual starter block-off plates
• Inspection panel with cover
• Grade 8/10.9 hardware kit for engine and transmission mounting
• RTV sealant for pump bolt installation

Ideal For:

This bellhousing kit is perfect for automotive enthusiasts, custom builders, and performance shops looking to mate Mopar Gen III Hemi engines with GM 4L80E or 4L85E transmissions. It suits street rods, muscle cars, restomods, and other projects where a lightweight, cost-effective, and reliable bellhousing solution is desired without the need for SFI certification. The kit’s flexibility in starter placement and comprehensive hardware package make it an excellent choice for a wide range of custom drivetrain applications.