TH350 Posi-Shift Valve Body Kit For GM 1969-1979 Non-Lockup 31001-2

Superior/Fairbanks TH350 Posi-Shift 2 Stage Pac Valve Body Kit

Part Number: 31001-2

Upgrade a compatible 1969–1979 GM Turbo-Hydramatic TH350 non-lockup automatic transmission with a Posi-Shift 2 Stage Pac valve body kit. This performance-oriented kit is designed for customers seeking firmer, more-positive 1–2 and 2–3 shift feel.

Features two selectable calibration levels:

• Heavy Duty

• Street & Strip

Kit benefits include:

• Firms 1–2 and 2–3 shifts

• Includes an oil transfer plate to support third-gear holding capacity

• Replaces the original separator plate with a specially designed plate

• Helps improve overall TH350 shift performance

• Suitable for installation with the transmission in or out of the vehicle when installed according to the supplied instructions

• Ideal for transmission service, rebuild, towing, street, and street/strip applications

Fitment:

• Fits GM Turbo-Hydramatic TH350 transmissions

• Fits 1969–1979 applications

• For non-lockup TH350 units only

• Does not fit TH350C lockup transmissions

Important: Verify the transmission model and lockup/non-lockup configuration before purchase. Use the correct manufacturer-specified automatic transmission fluid for the application. Lubegard ATF additive may be used as appropriate during transmission fluid service.