1966 Harmonic Balancers

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

Part Number: SUM-161350

4.63 out of 5 stars ( 182 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Powerforce, Internal Balance, 6.75 in. Diameter, Nodular Iron, Black, Chevy, Small Block, Each

Part Number: PFS-80000

4.5 out of 5 stars ( 62 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Powerforce Series, 28 oz. External Balance, Nodular Iron, Black, Ford, 260, 289, 302, 351W, Each

Part Number: PFS-80006

4.73 out of 5 stars ( 44 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, OEM Replacement, Chevy, GMC, 454, Each

Part Number: PBB-PB1018N

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Powerforce, Internal Balance, 8.00 in. Diameter, Nodular Iron, Black, Chevy, Small Block, Each

Part Number: PFS-80002

4.19 out of 5 stars ( 26 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Hi-Performance Sportsman Series, Internal Balance, Nodular Iron, Black, Chevy, Small Block, W-Engine, Each

Part Number: PQX-2326540

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, OEM Replacement, Chevy, GMC, Pontiac, 262, 307, 327, Each

Part Number: PBB-PB1012N

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Powerforce Series, Internal Balance, Steel, Black, GM, Chevy, Small Block, Each

Part Number: PFS-80010

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 1/5/2026

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: Monday 1/5/2026

Harmonic Balancer, Restoration Balancer, Internal Balance, Nodular Iron, 6.120 in. Diameter, Chevy Orange, Chevy, Small Block, Each

Part Number: PFS-85000

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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 1/5/2026

Harmonic Balancer, Powerforce Series, Internal Balance, Nodular Iron, Black, GM, Pontiac, 326-455, Each

Part Number: PFS-80020

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Monday 1/5/2026

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

Part Number: ATP-102039

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer, Nodular Iron, 6.750 in. o.d., Buick, Chevy, GMC, Oldsmobile, Pontiac, 4.1L, Each

Part Number: RNB-594-014

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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: Monday 1/5/2026

Harmonic Balancer, External Balance, No Markings, 6.110 in. Diameter, Keyway, Nodular Iron/Elastomer, Natural, Chevy, GMC, Pontiac, Small Block, Each

Part Number: RNB-594-156

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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

Part Number: ATI-916600

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

Harmonic Balancer, Internal Balance, 6.120 in. Diameter, Nodular Iron, Black, Chevy/GMC, Small Block, Each

Part Number: PIO-DA-3270

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Jan 20, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

SHELL - IN - ST - 3RG CHEVY 3 BOLT

Part Number: ATI-916810

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: FLU-400309

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: ATP-102044

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Harmonic Balancer Component, Counterweight, Bolt-On, External Balance, Chevy, Big Block, Each

Part Number: INW-925

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026