TH350 2 STAGE PAC SUPERIOR NUMBER 31001-2 1969-1979 TH350 SHIFT KIT.
Offers 2 levels of Performance: 1. Heavy Duty 2. Street & Strip
Improves Your Automatic Transmission! * Firms up 1-2 and 2-3 shifts * Includes oil transfer plate to give the best holding capacity in 3rd gear possible * Improves overall performance 1. The Posi Shift 2 Stage Pac’s are by far the easiest available way to step up transmission performance. 2. Replaces worn out separator plate with the new special design plate.