Brand: ATI Performance Products Manufacturer's Part Number: ATI204983 Part Type: Automatic Transmission Gears Product Line: ATI High-Impact Gear Sets Automotive Fittings Part Number: ATI-204983 UPC: 800157050039 Gear Set Type: Front carrier Gear Set Material: Steel First Gear Ratio: 1.74:1 Notes: Rated to 1,500 HP. Straight cut gear set, 18 in. length input shaft, 14 DP. Quantity: Sold as a set. Description: Those drivers who insist on conducting three or four stall tests in the pits and conducting three or four dry burnouts prior to staging at wide-open throttle should use the heavier planetary. If you're using more than 500 hp, you're going to want to equip your performance vehicle with ATI's high-impact gear sets. These precision-balanced carriers are manufactured from 9310 material for added strength and durability and are designed to provide heavy-duty output.