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ATP Graywerks Harmonic Balancers

4.11 out of 5 stars 56 Customer Reviews

ATP Graywerks harmonic balancers offer 55 years of experience mixed with quality materials and workmanship. These units are made to meet or exceed the original equipment quality and SAE material specifications. Nodular iron or steel balancers are available. Each component is precision-machined, and assemblies are dynamically balanced for the best performance. Some models have degree markings and include Woodruff keys and mounting hardware (where necessary). Calm the vibrations in your ride with a new harmonic balancers from ATP, available for a wide range of vehicle and engine applications.

Results 1 - 25 of 125

Harmonic Balancer, Internal Balance, Nodular Iron, Buick, Chevy, GMC, Oldsmobile, Pontiac, Inline 6, Each

Part Number: ATP-102040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC/Olds/Pontiac, Small Block, Each

Part Number: ATP-102075

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC, Big Block, Each

Part Number: ATP-102039

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, External Balance, Nodular Iron, Ford/Lincoln/Mercury, Small Block, Each

Part Number: ATP-102014

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, External Balance, Nodular Iron, Chevy/GMC, Diesel V8, Each

Part Number: ATP-102059

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Ford, Big Block, Each

Part Number: ATP-102011

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy, Small Block, Each

Part Number: ATP-102115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Ford/Mercury, Small Block, Each

Part Number: ATP-102008

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Harmonic Balancer, External Balance, Nodular Iron, AMC, Jeep, V8, Each

Part Number: ATP-102001

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Buick, Cadillac, Chevy, GMC/Hummer/Isuzu, Small Block, Each

Part Number: ATP-102171

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy, GMC, Oldsmobile, V6, Each

Part Number: ATP-102052

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Ford/Mercury, Small Block, Each

Part Number: ATP-102140

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Chevy/GMC, Big Block, Each

Part Number: ATP-102047

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Chevy/GMC, Diesel V8, Each

Part Number: ATP-102051

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC, Small Block, Each

Part Number: ATP-102041

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Cadillac/Chevy/GMC, Small Block, Each

Part Number: ATP-102053

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Jeep, Inline 6, Each

Part Number: ATP-102005

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Pontiac, V8, Each

Part Number: ATP-102037

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Ford, Lincoln, Mercury, V6, Each

Part Number: ATP-102020

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC, Small Block, Each

Part Number: ATP-102042

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Chrysler/Dodge/Plymouth, V6, Each

Part Number: ATP-102114

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/Pontiac, Small Block, Each

Part Number: ATP-102058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, External Balance, Nodular Iron, Buick, Cadillac, Oldsmobile, Pontiac, V8, Each

Part Number: ATP-102122

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, Ford/Mazda, V6, Each

Part Number: ATP-102028

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Harmonic Balancer, Internal Balance, Nodular Iron, AMC, Jeep, Inline 6, Each

Part Number: ATP-102007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today