TH350 Shift Kit 1969-Up
Overview
This is a shift correction and reprogramming kit for the GM, Chevrolet, GMC, Cadillac TH350 automatic transmission (1969-Up). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade TH350 repair or rebuild. Every TH350 order ships fast and is backed by our support team.
What's Included
- recalibrated valve-body springs and valves
- checkballs and separator-plate components as applicable
- step-by-step installation instructions
Fitment
Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the TH350 automatic transmission, 1969-Up. Please confirm your transmission model and year before ordering to ensure correct fitment.
Common Symptoms & When to Use
Consider this TH350 part when you experience:
- soft, mushy or delayed shifts
- slipping or shift flare between gears under load
- harsh or erratic shifts and shift-related codes
- clutch and band burnup on towing or high-power builds
Specifications
- Transmission: TH350
- Year Range: 1969-Up
Quality & Service
In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70 to the lower 48 states. Backed by Core Transmission Parts — your source for TH350 transmission parts.
Complete your TH350 repair
- TH350 High-Performance Friction Clutch Kit — $51.99
- TH350 Pan Gasket High Durometer — $21.99
- TH350 Transmission Filter 1969-1986 TF-37 — $22.99
- TH350 Thrust Washer Kit — $27.99
- TH350 Valve Body 1969-1986 321001 TCI — $508.99
