Proform Parts Harmonic Balancers

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 6.75 in. Diameter, Avanti, GM, Chevy, Small Block, Each

Part Number: PRO-66510

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 8.0 in. Dia., Avanti, GM, Chevy, Small Block, Each

Part Number: PRO-66511

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, Chevy, 396, Each

Part Number: PRO-66508

Not Yet Reviewed

Estimated Ship Date: Today

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: Sep 29, 2025 if ordered today

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Engine Harmonic Balancer; Fits CHRYSLER; 360/5.9 LITER; 1971-95

Part Number: PRO-66506

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Engine Harmonic Balancer; Fits Dodge/Chrysler; 360/5.9 Liter; 1994-03; No Pulley

Part Number: PRO-66507

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 6.75 in. Dia., Avanti, GM, Chevy, Small Block Each

Part Number: PRO-66509

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 30, 2025 if ordered today

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