Speedometer Gear Housing with O'ring & Seal Fits for Chevy TH350 Turbo 350 / 350C Transmissions Condition:new Replace part number: 25513247, A44774, 44774, 35227, 345215, 35922 Steel housing measures.875' x 1.75' (7/8' x 1-3/4') Fits tail housings with.890' hole. Replaces often worn pot metal speedometer housings. Fits Turbo Hydra-matic 250 & 350 series Transmissions. Package included: 1 x Steel Speedometer Gear Housing Kit (as the picture shown)