TransGo Gear Command Automatic Transmission Reprogramming Kit - TorqueFlite TF-1 COM12-506-5 They are modified with either

They are modified with either a Deep Sump or Kicked-Out Sump for increased capacity to improve oil control under hard acceleration and to help the engine run cooler

2001-2003 Pontiac Aztek

1979-1980 Chevrolet C10 Suburban Silverado CID 350 Naturally Aspirated GAS

Fits engine blocks designed to accept oil filters with a 3/4"16 thread and 2-5/8" diameter sealing O-ring

TransGo Gear Command Automatic Transmission Reprogramming Kit - TorqueFlite TF-1 COM12-506-5 They are modified with eitherTransGo Gear Command Automatic Transmission Reprogramming Kit TorqueFlite Smooth, crisp shifts with improved durability Product Description: Automatic Transmission Shift Kit Gear Command Valve Springs Spacers Shims Separator Plate Gaskets TorqueFlite From stock type replacement parts to substantial performance upgrades, TransGo offers kits and components to make automatic transmissions shift better, handle more power, and improve reliability. TransGo