ACC Performance® 49452 - Night Stalker Level 2 Torque Converter

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$458.68
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Product Details

Night Stalker Level 2 Torque Converter (49452) by ACC Performance®. Diameter: 12". Stall Speed: 2200-2800. The Night Stalker Series is designed to handle as much as 500 horsepower. Comparable lines will only handle up to 300 horse power.

Specifications

12" Diameter
30 Spline
2200-2800 RPM Stall

Features

  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made of high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements

ACC Performance puts the much larger Torrington type incased bearings throughout the converter where needed. These bearings will handle more raw power and abuse that the higher horsepower engines produce. Some of the competition uses a smaller needle type bearing. Needle bearings are not incased, which makes them susceptible to picking up trash or debris from the transmission fluid, which can lead up to heat build up and failure. ACC Performance also weld up and four-corner tack-weld their turbine and impeller fins in order to maintain the highest strength and quality. ACC Performance has custom engineered their turbine hubs. Many competitors use a chromemoly steel hub that does not weld very well. If improperly welded, the hub could cause converter failure and or damage to your transmission. The stators are built with high flow vents and channels for greater cooling in order to handle the greater power and heat ranges.

ACC Performance converters are engineered with a single bolt pattern for the rotating mass. This makes ACC Performance Torque Converters surprisingly light, keeping the weight of the converter off of the rotating mass of the motor. This will free up your motor and allow it to rev-up through the RPM range quicker, helping your engine put more power to the ground. Some of the competitors use a dual bolt pattern converter to eliminate multiple part numbers, i.e./ th350 & 400’s. These transmissions using the same converter with a dual bolt pattern, will add 3 to 4 pounds of weight to the converter. This adds weight to the rotating mass of the engine, costing you nothing but horsepower & torque. We at ACC are in the performance business and try to maximize horsepower at every level. We think you do too!

The Torque Converter is considered to be the most mysterious mechanical component in today’s vehicle. It functions like a clutch, which keeps the motor running even when the vehicle comes to a halt. By designing the stall speeds to matchboth the engine and desired stall speed, an ACC Performance converter will help low-end idle speeds, improve performance and acceleration. We can drastically change the output of the vehicle. ACC Performance can even improve your gas mileage by modifying your torque converter. ACC Performance Torque Converters feature several uses in different industries like industrial power transmissions, automatic transmissions, trucks, buses, and many other applications that include everything from race vehicles to rock crawlers. Proper installation, maintenance, and protection are needed for the torque converter to obtain the longest life possible. A default in the maintenance or heat protection of the torque converter can result in damage such as overheating, stator clutch breakage, fin damage, ballooning, and stator clutch seizure. It is imperative that a transmission cooler be added with any torque converter that is rated over a stock stall.

In a high performance application the so called “transmission cooler" that runs through the radiator is in all actuality a transmission fluid heater. The internal radiator transmission cooler will raise the temperature to normal operating temperature much faster. This make the transmission fluid flow much easier throughout the transmission giving you better fuel mileage. However, the temperatures that the radiator hits does not allow for the proper cooling properties that are needed with today’s high performance transmissions. Most radiators have an operating temperature of about 200 degrees. There must be a 34.7 degree variance in temperature before an acceptable amount of cooling can occur. The proper way to insure that the correct amount of cooling is taking place would be to by-pass the radiator and go through an external transmission cooler. ACC Performance suggests a minimum of a 3/4" X 10" X 12" size cooler. The addition of an external transmission cooler can drop the transmission fluid temperature more than 10 degrees which can more than double the life of your transmission.

All torque converters operate off of the twisting force of the engine and fluid pressure versus the weight of the vehicle. Do you remember back when you put dual exhaust on a truck and it got a little better gas mileage and engine performance? Well, the reason is: It freed up the exhaust to a point that it would expand the RPM range with the better exhaust flow. It would even give you better midrange and upper RPM power. It also lowered the torque between idle and 2,400 RPM. This change in the pressure on the transmission fluid would lock up the sprag in the stator earlier. You would have to say that the converter locking up earlier allowed the vehicle to move with less RPM. This in turn will give the vehicle better mileage and upper RPM performance.

ACC Performance® is proud to offer you a complete line of high-performance and specialty torque converters. Whether you are looking for a heavy-duty, street or racing converter, the company has the solution to fit your specific needs. Since its inception back in 1970, ACC Performance has been dedicated to quality and craftsmanship. The company uses world class manufacturing methods and NASA style welding practices to provide you with the parts that outperform the competition in every way. ACC torque converters are welded at the fins not brazed, to eliminate the erosion after time. Plus, they use industrial bearings that give them the ability to handle not hundreds, but thousands of pounds of torque. These converters also come with aircraft-quality aluminum washers instead of those old fiber washers that other companies use to put more horsepower and torque directly to the ground. All ACC converters are hand-built and tested to ensure that they are the best converters money can buy!

Part Number:
49452
UPC:
678118494525

Vehicle Fitment

This part is universal
  • Fits Following Transmissions: GM 4L60E.

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ACC Performance® 49452 - Night Stalker Level 2 Torque Converter
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