Transmission Crossmember ISINSWIFT Steel Mount

Description

Product Overview

The ISINSWIFT transmission crossmember is engineered for the iconic 1963‑1987 Chevrolet C10, C20, Blazer and Suburban platforms. Constructed from high‑strength steel and finished with a durable black powder coat, this mount offers superior corrosion resistance and long‑term stability under heavy loads. The design incorporates an adjustable center tab that allows precise height tuning, accommodating Powerglide, TH‑350, TH‑400 and 700R4 automatic transmissions without the need to drill new frame holes. Dimensions measure 33 x 3 x 6 inches and the unit weighs 8.28 lb, providing a robust yet manageable component for both DIY enthusiasts and professional installers.

Usage

This crossmember is ideal for classic truck owners who have lifted or lowered their vehicles and need to retain the factory‑specified transmission angle. Whether you are restoring a vintage pickup for daily driving, off‑road adventures, or show‑room display, the adjustable design ensures proper driveshaft alignment, reducing vibration and wear. It fits seamlessly into both stock and modified frames, making it a versatile choice for restoration shops, hobbyists, and performance shops alike.

Why Choose Us

ISINSWIFT combines decades of automotive engineering expertise with meticulous manufacturing standards. Each crossmember undergoes rigorous quality checks, guaranteeing dimensional accuracy and structural integrity. The black powder‑coated finish not only enhances aesthetics but also protects against rust in harsh environments. Our product ships with all necessary hardware, pre‑drilled holes, and a detailed installation guide, eliminating the guesswork and reducing installation time. Backed by a solid reputation in the aftermarket, ISINSWIFT provides confidence that your transmission mount will perform reliably for years to come.

Key Features

• Heavy‑duty high‑strength steel construction with black powder‑coat for corrosion resistance.
• Adjustable center tab allows height tuning to maintain factory transmission angles.
• Fits Powerglide, TH‑350, TH‑400 and 700R4 automatic transmissions without additional drilling.
• Pre‑drilled mounting holes and complete hardware package for quick, bolt‑on installation.
• Designed for 1963‑1987 C10, C20, Blazer and Suburban trucks, supporting both lifted and lowered setups.

FAQ

Will this crossmember fit a truck that has been lifted 2 inches?

Yes. The adjustable center tab provides enough range to accommodate lifts up to 2 inches while keeping the transmission at the correct angle for proper driveshaft alignment.

Do I need to modify my frame to install this mount?

No. The crossmember comes with pre‑drilled holes that align with the factory mounting points, so you can replace the original part without any additional drilling or welding.

Is this mount compatible with a TH‑350 transmission?

Absolutely. The design is engineered to accept Powerglide, TH‑350, TH‑400 and 700R4 automatic transmissions, making it a versatile solution for a range of classic GM drivetrains.

What hardware is included with the product?

The package includes all necessary bolts, nuts, washers, and a detailed installation guide. Everything you need to complete the swap is provided.

How does the powder‑coat finish hold up in harsh climates?

The black powder‑coat is specifically formulated for automotive applications, offering excellent resistance to rust, chips, and UV exposure, ensuring the mount remains protected in both hot and cold environments.