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

ATI Performance Products Categories

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Adapter
At Pit Stop USA, we have a great selection of Adapter Fittings for your automotive plumbing needs. From AN and NPT fittings to fuel line and hose fittings, we offer a wide range of products to...More Details »
Automatic Transmission Bands
Pit Stop USA offers Automatic Transmission Bands at low everyday prices.
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 Catch Cans
PitStopUSA.com offers a variety of Automatic Transmission Overflow Tanks from the biggest brands in drag racing including ATI Automatic Transmission Overflow Tanks, CSR Performance Products...More Details »
Automatic Transmission Center Supports
Pit Stop USA offers Automatic Transmission Center Supports at low everyday prices.
Automatic Transmission Dipsticks
Locking Transmission Dipsticks feature a positive lock to keep in place and keep out moisture and debris. Many Locking Flexible Transmission Dipsticks are NHRA accepted for use in all categories of...More Details »
Automatic Transmission Drums
Pit Stop USA offers Automatic Transmission Drums at low everyday prices.
Automatic Transmission Locking Dipstick Handles
Pit Stop USA offers Automatic Transmission Locking Dipstick Handles at low everyday prices.
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 Servos
Pit Stop USA offers Automatic Transmission Servos at low everyday prices.
Automatic Transmission Shafts
Pit Stop USA offers Automatic Transmission Input Shafts at low everyday prices.
Automatic Transmission Sprags
Pit Stop USA offers Automatic Transmission Sprags 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 Transbrake Kits
Pit Stop USA offers Automatic Transmission Transbrake Kits at low everyday prices.
Automatic Transmission Transbrake Solenoids
PitStopUSA.com offers a variety of Trans-Brake Solenoids from the biggest brands in drag racing including Shifnoid Trans-Brake Solenoids, TCI Automotive Trans-Brake Solenoids and more at low everyday prices.
Axle/Hub Seals
Balancer Tool Adapter
Bellhousings
Looking for a custom or replacement bellhousing? PitStopUSA.com you covered with many different types of bellhousings to fit all of your needs. Whether you need an aluminum Automatic Transmission...More Details »
Crankshaft Hub Spacers
PitStopUSA.com offers a variety of Crankshaft Damper Spacers from the biggest brands in drag racing including Ford Racing Crankshaft Damper Spacers and more at low everyday prices.
Crankshaft Hubs
Designed specifically for circle track racers, this SB Chevy aluminum crank hub is NOT a harmonic damper. Hub is significantly lighter than a harmonic balancer and dramatically reduces rotating...More Details »
Crankshaft Keys
Keep your harmonic balancer or crankshaft hub aligned with crankshaft keys from PitStopUSA.com.
Crankshaft Mandrels
Cylinder Head Dowel Pins
Pit Stop USA is The Online Motorsports Superstore! We feature Cylinder Head Dowel Pins at low everyday prices.
Drill Fixture
Crankshaft pin drill fixture kits are designed to pin the crankshaft for high-rpm, supercharged, turbocharged, or high-horsepower nitrous oxide engines. They include a billet aluminum drill...More Details »
Items 1-25 of 53

ATI Performance Products Products

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Items 126-150 of 216
Description: Flexplate, SFI 29.1, Steel, Internal Balance, Mopar Gen III Hemi, Each
Item #: ATI915685
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $189.00
Sale: $139.82
Save: 26%
Save: $49.18
Description: Idler Pulley Spacer, 0.350 in Thick, Steel, Black Powder Coat, Each
Item #: ATI915993
Condition: New
Limited Supply: Only 4 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $9.88
Sale: $8.54
Save: 14%
Save: $1.34
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Description: Harmonic Balancer Spacer, 0.965 in Thick, Steel, Natural, Jesel Belt Drive, GM LS-Series, Each
Item #: ATI916322
Condition: New
Limited Supply: Only 2 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $39.70
Sale: $27.41
Save: 31%
Save: $12.29
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Description: Harmonic Balancer, Super Damper, 6.780 in OD, SFI 18.1, Aluminum / Steel, Black, External Balance, Toyota JZ-Series, Each
Item #: ATI918562
Condition: New
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Price: $421.84
Sale: $403.85
Save: 4%
Save: $17.99

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Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Dual Keyway, Steel, Black, Internal Balance, Big Block Chevy, Each
Item #: ATI917060K
Condition: New
Limited Supply: Only 8 Left!
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Price: $399.08
Sale: $381.45
Save: 4%
Save: $17.63

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Description: Harmonic Balancer, Super Damper, 7.425 in OD, SFI 18.1, Steel, Black, External Balance, Big Block Chevy, Each
Item #: ATI917741E
Condition: New
Limited Supply: Only 2 Left!
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Price: $530.43
Sale: $504.51
Save: 5%
Save: $25.92

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Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI917785
Condition: New
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Price: $400.40
Sale: $393.27
Save: 2%
Save: $7.13

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Description: Tailshaft Housing, Supercase, Roller Bearing, Aluminum, Natural, TH400, Kit
Item #: ATI401935
Condition: New
Limited Supply: Only 1 Left!
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Price: $249.00
Sale: $234.86
Save: 6%
Save: $14.14
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Description: Transmission Case, T400 Supercase, Bellhousing, Aluminum, Natural, Chevy V8, TH400, Kit
Item #: ATI400011
Condition: New
Limited Supply: Only 3 Left!
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Price: $2,170.99
Sale: $2,148.48
Save: 1%
Save: $22.51

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Description: Supercharger Drive Pulley, Serpentine, 8 Rib, 9.170 in Diameter, Aluminum, Black Anodized, ATI Damper, GM GenV LT-Series, Cadillac CTS-V 2016-18, Each
Item #: ATI916227
Condition: New
Limited Supply: Only 5 Left!
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Price: $221.12
Sale: $208.46
Save: 6%
Save: $12.66
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Description: Flexplate, 168 Tooth, SFI 29.1, Steel, Internal Balance, 2 Piece Seal, Small Block Chevy, Each
Item #: ATI915541
Condition: New
Limited Supply: Only 8 Left!
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Price: $229.00
Sale: $209.86
Save: 8%
Save: $19.14
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Description: Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, Jesel Belt Drive, Small Block Chevy, Each
Item #: ATI917236
Condition: New
Limited Supply: Only 3 Left!
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Price: $429.00
Sale: $412.52
Save: 4%
Save: $16.48

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Description: Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI917261
Condition: New
Limited Supply: Only 1 Left!
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Price: $400.40
Sale: $376.12
Save: 6%
Save: $24.28

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Description: Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Aluminum, Black Paint, Internal Balance, Small Block Chevy, Each
Item #: ATI917480
Condition: New
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Price: $429.00
Sale: $416.76
Save: 3%
Save: $12.24

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Description: Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI917782
Condition: New
Limited Supply: Only 2 Left!
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Price: $400.40
Sale: $374.51
Save: 6%
Save: $25.89

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Description: Timing Pointer, Adjustable, Stainless Hardware, Aluminum, Black Anodized, 6.325 in OD Balancer, Small Block Chevy, Each
Item #: ATI918950
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $59.00
Sale: $46.87
Save: 21%
Save: $12.13
Qty:

Description: Harmonic Balancer, Serpentine Super Damper, 6.780 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, GM LT-Series, Each
Item #: ATI917275
Condition: New
Limited Supply: Only 3 Left!
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Price: $477.39
Sale: $450.07
Save: 6%
Save: $27.32

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Description: Harmonic Balancer, Serpentine Super Damper, 6.780 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, GM LS-Series, Each
Item #: ATI917277
Condition: New
Limited Supply: Only 1 Left!
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Price: $429.00
Sale: $414.42
Save: 3%
Save: $14.58

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Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI917220
Condition: New
Limited Supply: Only 2 Left!
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Price: $429.00
Sale: $415.42
Save: 3%
Save: $13.58

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Description: Timing Pointer, Adjustable, Stainless Hardware, Aluminum, Black Anodized, 7 in OD Balancer, Small Block Chevy, Each
Item #: ATI918954
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $59.00
Sale: $46.87
Save: 21%
Save: $12.13
Qty:

Description: Harmonic Balancer, Supercharged Super Damper, 7.074 in OD, SFI 18.1, Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI918872E
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
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Price: $429.00
Sale: $411.76
Save: 4%
Save: $17.24

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Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Steel, Black, Internal Balance, Small Block Chevy, Each
Item #: ATI917783
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
FREE SHIPPING!
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Price: $400.40
Sale: $379.54
Save: 5%
Save: $20.86

Qty:

Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, Small Block Mopar, Each
Item #: ATI917400E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $400.40
Sale: $383.30
Save: 4%
Save: $17.10

Qty:

Description: Harmonic Balancer, Super Damper, 7.074 in OD, SFI 18.1, Steel, Black, Internal Balance, Small Block Mopar, Each
Item #: ATI918282E
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $409.26
Sale: $390.80
Save: 5%
Save: $18.46

Qty:

Description: Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Aluminum / Steel, Black, Internal Balance, Small Block Ford, Each
Item #: ATI917661
Condition: New
Limited Supply: Only 7 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $429.00
Sale: $410.48
Save: 4%
Save: $18.52

Qty:

Items 126-150 of 216

More About ATI Performance Products

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!