Turbo 400 TH400 TH375 M40 Transmission Shift Improver Kit - Stage 2 Pinit $33.70 SKU: PCE222.1007 Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift. Quantity -+ Add to Cart Details Brand:SpeedmasterPart Number:PCE222.1007Part Type:Automatic Transmission Shift KitFilter Included:NoGaskets Included:YesFull Manual:NoQuantity:Sold as... DetailsBackDetailsBrand:SpeedmasterPart Number:PCE222.1007Part Type:Automatic Transmission Shift KitFilter Included:NoGaskets Included:YesFull Manual:NoQuantity:Sold as a kit.Notes:Does not fit transmissions built after 1987.See MoreSee Less