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ATI harmonic Super Dampers add horsepower and torque to race, street and truck engines.

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ATI Harmonic Balancers - SBC
ATI Super Damper has become one of the industry's standards in harmonic vibration control, combining two dampening surfaces in one unit. At 6000 RPM, digital vibration tests proved the ATI Super...More Details »
Automatic Transmission Cases
PitStopUSA.com offers a variety of Automatic Transmission Cases from the biggest brands in drag racing including ATI Automatic Transmission Cases, J.W. Performance Transmission Automatic...More Details »
Automatic Transmission Expansion Tanks
PitStopUSA.com offers a variety of Automatic Transmission Expansion Tanks from the biggest brands in drag racing including ATI Automatic Transmission Expansion Tanks, CSR Performance Products...More Details »
Automatic Transmission Servo Covers
PitStopUSA.com offers a variety of Automatic Transmission Servo Covers from the biggest brands in drag racing including ATI Automatic Transmission Servo Covers, J.W. Performance Transmission...More Details »
Automatic Transmission Servo Kits
PitStopUSA.com offers a variety of Automatic Transmission Servo Kits from the biggest brands in drag racing including ATI Automatic Transmission Servo Kits and more at low everyday prices.
Automatic Transmission Tailhousings
PitStopUSA.com offers a variety of Automatic Transmission Tailhousings from the biggest brands in drag racing including ATI Automatic Transmission Tailhousings, J.W. Performance Transmission...More Details »
Automatic Transmission Valve Bodies
PitStopUSA.com offers a variety of Automatic Transmission Valve Bodies from the biggest brands in drag racing including ATI Automatic Transmission Valve Bodies, Performance Automatic Automatic...More Details »
Crankshaft Hubs
Pit Stop USA is The Online Motorsports Superstore! We feature Crankshaft Hubs at low everyday prices.
Flexplate Adapters
PitStopUSA.com offers a variety of Flexplate Adapters from the biggest brands in drag racing including ATI Flexplate Adapters, Hughes Performance Flexplate Adapters, J.W. Performance Transmission...More Details »
GM Powerglide Service Parts
PitStopUSA.com offers a variety of GM Powerglide Service Parts from the biggest brands in drag racing including ATI GM Powerglide Service Parts, Hughes Performance GM Powerglide Service Parts, J.W....More Details »
GM Powerglide Transmissions
Stock automation transmissions just don't cut it for drag racing, circle track or your high performance street machine. Drag Parts USA offers high performance and racing transmissions including...More Details »
Items 1-12 of 29

ATI Products

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Items 1-25 of 58
Description: Ford 429-460 Adapter Kit, Internal Balance To GM, TH350/TH400/Powerglide
Item #: ATI915242
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Oversized / Overweight Item! Ships from Michigan.
Price: $604.00
Sale: $494.00
Save: 18%
Save: $110.00
Qty:

Description: Aluminum Automatic Transmission Drum, GM TH400
Item #: ATI407056
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
$9.95 Flat Rate Shipping. Oversized / Overweight Item. Ships from Michigan.
Price: $1,049.00
Sale: $904.96
Save: 14%
Save: $144.04
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Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Chevrolet 396/402/427
Item #: ATI917061
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Ships from Michigan.
Price: $440.00
Sale: $350.00
Save: 20%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, External Balance, Steel, Black, Chevrolet 454
Item #: ATI917740
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $425.00
Sale: $343.96
Save: 19%
Save: $81.04
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Description: Super Damper Harmonic Balancer, Supercharged, Internal Balance, Steel, Black, Chevrolet 396/402/427
Item #: ATI918871E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $465.00
Sale: $383.87
Save: 17%
Save: $81.13
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Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Chevrolet 396/402/427
Item #: ATI917060
Condition: New
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $379.00
Sale: $320.96
Save: 15%
Save: $58.04
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Description: Super Damper Harmonic Balancer, Internal Balance, 6-Bolt, Steel, Black, Chevrolet 396/402/427
Item #: ATI917064
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Ships from Michigan.
Price: $430.00
Sale: $340.00
Save: 21%
Save: $90.00
Qty:

Description: Internal Balance Harmonic Balancer, Steel, Black, 7.074" Diameter, GMC, Chevrolet 396/402
Item #: ATI917065
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Ships from Michigan.
Price: $439.00
Sale: $349.00
Save: 21%
Save: $90.00
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Description: Super Damper Harmonic Balancer, Internal Balance, Aluminum, Black, 7.074" , Big Block Chevrolet
Item #: ATI917290
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Ships from Michigan.
Price: $479.00
Sale: $389.00
Save: 19%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Aluminum/Steel, Black, Chevrolet 396/402/427
Item #: ATI917300
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Ships from Michigan.
Price: $454.00
Sale: $364.00
Save: 20%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Chevrolet 396/402/427
Item #: ATI917062
Condition: New
Limited Supply: Only 7 Left!
Same Day Shipping!
Ships from Michigan.
Price: $449.00
Sale: $359.00
Save: 20%
Save: $90.00
Qty:

Description: Dry Sump System Dry Sump Drive Mandrels, Front, Big Block Chevrolet
Item #: ATI916631
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Ships from Michigan.
Price: $159.00
Sale: $119.00
Save: 25%
Save: $40.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Big Block Chrysler , B/RB/Hemi
Item #: ATI917120
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Ships from Michigan.
Price: $424.50
Sale: $334.50
Save: 21%
Save: $90.00
Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Chrysler B/RB/Hemi
Item #: ATI917122E
Condition: New
Same Day Shipping!
Ships from Michigan.
Price: $415.00
Sale: $325.00
Save: 22%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, 7.074" Diameter, Big Block Chrysler/Hemi
Item #: ATI917127E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Ships from Michigan.
Price: $415.00
Sale: $325.00
Save: 22%
Save: $90.00
Qty:

Description: Super Damper Supercharger Harmonic Balancer, Internal Balance, Steel, Black, Chysler Big Block/B/RB/Hemi
Item #: ATI917110E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $430.00
Sale: $350.96
Save: 18%
Save: $79.04
Shipping
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Description: Super Damper Harmonic Balancer, Internal Balance, Aluminum, Black, Chrysler/Plymouth/Dodge Big Block
Item #: ATI917470E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Ships from Michigan.
Price: $429.00
Sale: $339.00
Save: 21%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Ford 429/460
Item #: ATI917620
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Ships from Michigan.
Price: $419.00
Sale: $329.00
Save: 21%
Save: $90.00
Qty:

Description: Big Block Ford Timing Pointer - 429-460
Item #: ATI918945
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
Ships from Michigan.
Price: $69.00
Sale: $52.00
Save: 25%
Save: $17.00
Qty:

Description: Aluminum Center Support, Bronze Bushing, for TH400 Automatic Transmission
Item #: ATI405471
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Ships from Michigan.
Price: $199.00
Sale: $136.96
Save: 31%
Save: $62.04
Qty:

Description: Super Damper Harmonic Balancer, 6.780" , Internal Balance, Aluminum, Black, Chrysler 6.1L Hemi/392 Crate
Item #: ATI918432
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $451.00
Sale: $387.87
Save: 14%
Save: $63.13
Shipping
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Description: Super Damper Harmonic Balancer, Internal Balance, Aluminum, Black, 6.78" , Chrysler/Dodge 2.4L
Item #: ATI917469
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Ships from Michigan.
Price: $486.00
Sale: $396.00
Save: 19%
Save: $90.00
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Aluminum, Black, Chrysler/Dodge/Jeep/6.1L/392 Crate
Item #: ATI918437
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $460.00
Sale: $392.87
Save: 15%
Save: $67.13
Shipping
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Description: Elastomer Kit - 3 Ring 6.385 w/60/60/70
Item #: ATI918980-60
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Ships from Michigan.
Price: $48.99
Sale: $33.75
Save: 31%
Save: $15.24
Qty:

Description: Super Damper Harmonic Balancer, Internal Balance, Steel, Black, Ford Mustang 4.6L
Item #: ATI918038
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $499.00
Sale: $418.87
Save: 16%
Save: $80.13
Shipping
Qty:

Items 1-25 of 58

More About ATI

Pit Stop USA is The Online Drag Racing Superstore! ATI Performance Products is a company founded on innovation, precision and service. ATI and Jim Beattie are synonymous in the field of drag racing. It is common to find ATI equipped vehicles winning races throughout the United States. However, this tremendous success didn't happen overnight. ATI Performance Products is the creation of over 40 years of transmission and performance component manufacturing and racing experience. In the early 1960's, Jim Beattie, ATI's president and owner, left the Navy and opened a general transmission rebuilding shop that has grown into one of the largest suppliers of quality high performance transmissions, torque converters and driveline components in the industry. Jim further enhanced his new company's image by competing as a Sportsman drag racer in the '60's and as the owner and sponsor of the immensely popular original Black Magic Fuel Funny Car, a crowd favorite in the mid-70s. Today, 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. ATI features one of the most advanced machine shops in the industry with a plant equipped with some of the finest CNC lathes, milling machines and machining centers available. ATI has maintained a close relationship with racers and racetracks, no matter what the class, bracket or size of the track. As a major sponsor of the NHRA, IHRA and ARCA, Jim and the entire ATI staff have made a strong commitment to the sport of racing and the tradition of providing the finest performance parts in the industry. We feature ATI Super Dampers and ATI Timing Pointers at low everyday prices!