fits make: Chevy.

( Brand: Ati Performance Products ), ( Manufacturer Part Number: A4219618 ), ( Part Type: Torque Converter )
The A4219618 ATI Racing Torque Converter for Chevrolet TH350/TH400 is a high-performance upgrade that is designed to provide increased torque capacity and improved shift quality for your vehicle. This torque converter is specifically engineered for use in high-horsepower applications, making it an excellent choice for performance enthusiasts looking to enhance the power and longevity of their Chevy TH350 or TH400 transmission.
The ATI Racing Torque Converter features a robust, 3-piece, high-strength steel impeller and stator design, which helps to reduce stress and improve heat dissipation. This design also allows for increased torque capacity, up to 1200 ft-lbs, making it suitable for use with high-horsepower engines. The unit is also equipped with a billet steel housing, which provides added strength and durability, as well as a 3-piece, high-strength steel turbine, which helps to ensure smooth and efficient operation.
The ATI Racing Torque Converter is also designed with performance in mind, featuring a high stall speed of 3500 RPM, which helps to provide smooth and consistent power delivery. It also has a 3-disc, high-performance friction material clutch pack, which helps to reduce slip and improve shift quality. The converter is also equipped with a billet steel, 10-spline output shaft, which provides added strength and durability, as well as a 1-piece, high-strength steel 10-bolt input hub, which helps to ensure a secure and reliable fit.
The ATI Racing Torque Converter is also designed with ease of installation in mind, featuring a compact design and a standard 3-bolt mounting pattern. It is also compatible with a wide range of transmission fluid options, including synthetic and conventional types, making it a versatile choice for a variety of performance applications.
In summary, the A4219618 ATI Racing Torque Converter for Chevrolet TH350/TH400 is a high-performance upgrade that is designed to provide increased torque capacity and improved shift quality for your vehicle. With its robust, 3-piece, high-strength steel impeller and stator design, high stall speed, and high-performance friction material clutch pack, this torque converter is an excellent choice for performance enthusiasts looking to enhance the power and longevity of their Chevy TH350 or TH400 transmission.
Pros of buying a A4219618 ATI Racing Torque Converter for Chevy TH350/TH400:1. Enhanced Performance: This torque converter is designed to increase horsepower and torque, providing a smoother and faster acceleration for your vehicle.
2. Durability: ATI Racing products are known for their high-quality materials and robust construction, ensuring long-lasting performance even under heavy use.
3. Compatibility: The A4219618 is designed to fit Chevy's TH350 and TH400 automatic transmissions, making it a reliable choice for many classic and modern vehicles.
4. Warranty: ATI Racing offers a limited warranty on this product, giving you peace of mind in case of any manufacturing defects.
Cons of buying a A4219618 ATI Racing Torque Converter for Chevy TH350/TH400:1. Cost: High-performance torque converters like this one can be quite expensive compared to standard options.
2. Installation Requires Expertise: Installing a high-performance torque converter can be a complex task that requires specialized tools and knowledge. It's recommended to hire a professional mechanic for installation.
3. Potential Shaft Damage: If not properly matched to the engine and transmission, there's a risk of damaging the transmission shaft, which can lead to additional costs.
Recommendation:The A4219618 ATI Racing Torque Converter is a great option for Chevy TH350/TH400 owners looking to enhance their vehicle's performance. Its durability, compatibility with Chevy vehicles, and limited warranty make it a reliable choice. However, the cost and installation complexity should be considered before making a purchase. If you're confident in your mechanical skills or have a trusted mechanic, this product may be a worthwhile investment for improved acceleration and overall performance.
421 Sb with 600 hp. This is a new Ati 8 racing torque converter. It was made for me. Stall speed is around I paid 900 for this converter.
Less horsepower and it should stall lower,more higher.You can call Ati and give them the part A4219618 to see if it would work for your combo. Thanks and good luck buying.