Description
Product Overview
The Alto TH350/TH350C SuperMaster Kit is a Stage 4, full‑overhaul solution designed for the classic 1969‑1986 GM TH350 and TH350C automatic transmissions. Engineered with Alto HEG (High‑Energy Graphite) frictions, hardened steel components, and a complete set of premium gaskets and seals, this kit addresses wear, heat and load challenges typical in truck, towing and high‑performance street applications. Package dimensions are 18 x 3 x 1 inches and the kit includes the full‑ring front band, Alto Red Stripe Modulator, Nylon filter, and all necessary hardware for a leak‑free rebuild.
Usage
Ideal for owners of GM cars and light trucks that rely on the TH350 or TH350C for reliable power delivery. Whether you are restoring a classic pickup, upgrading a work truck for heavy towing, or seeking smoother shifts in a performance build, this kit provides the durability and heat resistance needed for demanding conditions. Install the kit in a standard shop environment or a well‑equipped garage; the components are engineered to fit lockup and non‑lockup variants without modification.
Why Choose Us
Alto has over 35 years of transmission rebuilding expertise, and each kit is hand‑picked by World Wide Parts Outlet specialists. The inclusion of HEG graphite‑coated frictions reduces heat buildup and ensures smooth engagement under load, while the steel components exceed OEM strength specifications. Our quality assurance process includes dimensional checks and material testing, guaranteeing a fit‑and‑finish that outperforms stock parts and minimizes the risk of future leaks.
Key Features
- HEG graphite‑coated friction plates for superior heat resistance and smooth shifts.
- Hardened steel gears and shafts that exceed original equipment strength.
- Full‑ring front band and Red Stripe Modulator for precise torque handling.
- Premium gaskets and seals designed for a leak‑free, long‑lasting rebuild.
- Complete parts list includes filter, band, modulator, seals, gaskets and all necessary hardware.
FAQ
Is this kit compatible with both lockup and non‑lockup TH350 transmissions?
Yes, the kit includes components that fit both lockup and non‑lockup variants without the need for additional modifications.
Can I use this kit on a TH350C transmission?
Absolutely. The SuperMaster Kit is engineered for both TH350 and TH350C models covering model years 1969 through 1986.
What tools are required for installation?
Standard transmission rebuild tools such as a torque wrench, snap ring pliers, seal drivers and a clean work surface are sufficient. No specialty equipment is needed.
How does the HEG graphite friction improve performance?
The graphite coating dissipates heat more effectively than conventional friction materials, reducing wear and providing smoother engagement under high load conditions.
Is there a warranty on the kit?
Alto offers a limited one‑year warranty covering material defects and workmanship when installed according to the provided instructions.
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