For sale is a high-quality extension/tail housing cast made by Allison, a brand known for producing durable auto parts. This housing is compatible with the ALLISON 1000/2000 EARLY 4X4 and comes with a piston. Its OE/OEM part number is 29536409 and its manufacturer part number is 116A770B. The housing is made of aluminum, making it lightweight and corrosion-resistant. This is a great addition to your car's transmission and drivetrain system, especially if you are looking for a long-lasting part that can withstand rough terrains. This product is not a vintage or universal fitment, nor is it a performance part.