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ATI Performance -- High Performance Racing Transmissions

ATI Performance Overview

ATI manufactures a multitude of high performance parts including Competition Transmissions, Treemaster Converters, Torsional Super Dampers, Compu-Flow Valve Bodies, Flexplates, and Adapter Kits as well as a wide variety of performance enhancing internal components. ATI's commitment to racing has allowed the company to maintain a prominent position on the cutting edge of high performance component design and manufacturing.

Hot ATI Performance Parts

A transmission with built-in safety liners. These ATI Performance aluminum Powerglide SuperCases feature SFI certification, a bellhousing. Developed to eliminate all weak points found in the original Powerglide case, the rugged SuperCase and bellhousing are SFI-approved for competition, and feature a steel safety inner liner that weighs only . . . More

Install your damper properly. These ATI damper puller and installers will allow you to remove or install a harmonic balancer the easy way. They feature a CNC-machined puller plate that will accept a variety of bolt patterns and stud sizes. Also included are the puller mandrel, studs, and a plastic storage case to keep everything organized. More

Reduce harmful harmonic vibrations. Looking for maximum engine protection and performance for your serpentine belt application? These ATI Super Damper serpentine harmonic balancers contain grooves for serpentine belts machined into the outer damper shell. The dampers come standard with six outer grooves for standard OEM drive systems. . . . More

Get quick, consistent reaction times. Quick, consistent reaction times are essential to winning races, and there's nothing better suited to the task than these highly efficient MRT (Minimum Reaction Time) torque converters from ATI. They are computer-mated to your combination to take full advantage of your engine's torque curve. Specific . . . More

Reduce harmful harmonic vibrations. Looking for maximum engine protection and performance for your serpentine belt application? These ATI Super Damper serpentine harmonic balancers contain grooves for serpentine belts machined into the outer damper shell. The dampers come standard with six outer grooves for standard OEM drive systems. . . . More

A torque converter made for supercharged engines. These ATI Fuel & Blown torque converters are designed for the ultimate in high-horsepower holding for big cubic inch nitrous or supercharged engines. They feature a special 22-element sprag with double cage construction to simultaneously control each sprag element. The sprag sits in . . . More

ATI compu-flow valve bodies provide the most accurate and efficient hydraulic controls possible for automatic transmissions. Years of research and testing have enabled ATI to design optimum oil circuitry for all popular transmission applications. COMPU-FLOW STREET/STRIP VALVE BODIES While any of ATI's Compu-Flow Valve Bodies are . . . More

The SuperCase is a SFI certified Powerglide racing transmission case, bell housing, and tail housing, cast from 356T6 cast aluminum. Developed to eliminate all weak points found in the original GM Powerglide transmission case, the rugged ATI SuperCase and bell housing are SFI approved for competition, and feature a steel safety inner liner . . . More

Race-quality flexplates from ATI. Made in the USA on state-of-the-art CNC equipment, ATI's SFI flexplates are double MIG/TIG welded with certified American-made materials that far exceed SFI specs for safety. They're manufactured and toleranced from actual OEM drawings to ensure precise fit and location. Each is quality-inspected to exceed . . . More

Get rid of damaging harmonic vibrations. These Super Damper standard harmonic balancers from ATI are specifically designed for high-rpm engines. Their proven elastomer is designed and tuned to eliminate harmful crankshaft harmonics that cause parasitic horsepower loss. They are actually two dampers in one--a 4 in. diameter inner damper and a . . . More

A transmission made for drag racing. These ATI ProGlide Powerglide transmissions are perfect for bracket racing or the "Super" categories. They use an instant-releasing external solenoid brake that moves the release valve with a whopping 44 lbs. of spring load.Features include:* Steel drum* Torsional input shaft* Hard chrome rings* . . . More

Powerful protection. These Supercharged series dampers place the powerful protection of ATI's Super Damper inside of the crankshaft blower pulley. Available in 66 to 77-tooth 8mm pitch, and 40 to 51-tooth 14mm pitch, these balancers eliminate torsional crankshaft vibrations and feature dual-keyway hubs. These balancers exceed SFI 18.1 specs, . . . More

Get rid of damaging harmonic vibrations. These Super Damper standard harmonic balancers from ATI are specifically designed for high-rpm engines. Their proven elastomer is designed and tuned to eliminate harmful crankshaft harmonics that cause parasitic horsepower loss. They are actually two dampers in one--a 4 in. diameter inner damper and a . . . More

The SuperCase is a SFI certified Powerglide racing transmission case, bell housing, and tail housing, cast from 356T6 cast aluminum. Developed to eliminate all weak points found in the original GM Powerglide transmission case, the rugged ATI SuperCase and bell housing are SFI approved for competition, and feature a steel safety inner liner . . . More

Reduce harmful harmonic vibrations. Looking for maximum engine protection and performance for your serpentine belt application? These ATI Super Damper serpentine harmonic balancers contain grooves for serpentine belts machined into the outer damper shell. The dampers come standard with six outer grooves for standard OEM drive systems. . . . More

A transmission made for drag racing. These ATI ProGlide Powerglide transmissions are perfect for bracket racing or the "Super" categories. They use an instant-releasing external solenoid brake that moves the release valve with a whopping 44 lbs. of spring load.Features include:* Steel drum* Torsional input shaft* Hard chrome rings* . . . More

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