1978 Harmonic Balancers

Square Drive Damper Bolts, Oldsmobile, 1/2" Square Drive

Part Number: ARP-180-2502

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Harmonic Balancer, Street Performance, Internal, External Balance, Nodular Iron, Black, Ford, 429, 460, Each

Part Number: PIO-872017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Harmonic Balancer, OEM, External Balance, Nodular Iron, Natural, Chevy, Small Block, 400, Each

Part Number: PRO-66513

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Harmonic Balancer, External Balance, Steel, Clearcoated, Chevy, 454, Each

Part Number: SUM-B64268

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Harmonic Balancer Bolts, Ultimate-Duty, 1/2 in.-20 Threads, 1 1/2 in. Underhead Length, with Washer, Steel, Black Oxide, Big Block Chevy, Each

Part Number: MOR-38775

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Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-727

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Ford, 289, 302, 351W, Each

Part Number: ATI-918917

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Estimated Ship Date: Apr 10, 2026 if ordered today

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

Part Number: ATP-102017

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Estimated Ship Date: Apr 14, 2026 if ordered today

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MOPAR BALANCER BOLT

Part Number: STG-8995

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black, Chevy, Small Block, Each

Part Number: ATI-917411

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: ATP-102122

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Bolt, Harmonic Damper Hardware, Hex Head, 1/2 in. Thread Size, Chromoly, Black Oxide, Washer, Chevy, Big Block, Each

Part Number: ATI-950232

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer, External Balance, 6.500 in. Diameter, Nodular Iron, Black, Ford, Cleveland, Each

Part Number: PIO-DA-3515

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-725

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Harmonic Balancer, PQx, Internal or External Balance, Black, Dodge, Plymouth, Chrysler, Big Block, Each

Part Number: PQX-2444041

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Estimated Ship Date: May 29, 2026 if ordered today

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Harmonic Balancer, PQx FluidGel, Internal Balance, Black, Pontiac, V8, Each

Part Number: PQX-2545501

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Harmonic Balancer, External Balance, 6.510 in. Diameter, Nodular Iron, Ford/Lincoln/Mercury, Small Block, Each

Part Number: PIO-DA-3022

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Harmonic Balancer Bolts, Internal Allen/12-point Head, 5/8 in.-18 Thread Size, Chromoly, Black Oxide, Ford, Set of 8

Part Number: ATI-950230

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: RNB-594-006

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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

Part Number: RNB-594-023

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Harmonic Balancer, Internal Balance, Nodular Iron, Chrysler/Dodge/Plymouth, V6/V8, Each

Part Number: ATP-102003

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Harmonic Balancer, PQx, Internal Balance, Black, Pontiac, V8, Each

Part Number: PQX-2438940

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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BOLT, HARMONIC BALANCER, Mopar 318-440, 12-point, 5/8" wrenching, 5/8"-18 x 2.20" UHL

Part Number: PQX-1042440

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Estimated Ship Date: Today

Harmonic Balancer, Internal Balance, 6.750 in. Diameter, Nodular Iron, Black, Chevy/GMC, Inline 6, Each

Part Number: PIO-DA-2503

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Harmonic Balancer Components, Crank Trigger Adapter, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: FLU-400309

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Estimated Ship Date: Apr 29, 2026 if ordered today

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