
GF-MUT-4L80 Mock-Up GM 4L80 Replica Transmission
G Force Performance GF-MUT-4L80 Features:
- G Force patent-pending tab-and-slot version of the Swap Block Transmission Mock Up Block provides accurate transmission mounting and yoke positions.
- This unique design is lightweight and comes disassembled for ease of shipping and storage.
- One tool accomplishes accurate placement of a 4L80/4L80E transmission found in 1991-2013, 3/4 ton trucks and vans.
- Easily positioned by hand, there is no need to bench-press a heavy transmission into place for fitment and fabrication of crossmember, etc.
- Save time and money and work more safely.
- Durable steel construction resists heat from welding, so unlike foam blocks, custom crossmembers can be fabricated close to the block.Â
Ensure Accurate Placement of Your Transmission and Accessories
G Force Performance Swap Block Mock-Up Transmission Cases are the ultimate solution for accurately positioning a transmission into the chassis of your choice. Designed with precision-formed returns on all weight-bearing components and tight tolerance slots, it provides a rigid and exact representation of the transmission case and yoke positions. This lightweight tool features a distinctive tab-and-slot design that ensures precise mounting positions for engine accessories and bolt-ons. Engineered for efficiency and safety, the Transmission Mock-Up Block saves you time and money while reducing the risk of errors or damage during installation.

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