1991 CHEVROLET Harmonic Balancers

Crankshaft Hub Steel With Inner Shell SBC OEM Front

Part Number: ATI-916951

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer Bolts, Replacement, Steel, Black E-Coat, 7/16 in.-20 Thread, 2.8 in. Long, 12-Point Head, Washer included, Chevy, 4.6-6.6L, Each

Part Number: HLY-97-320

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Hex Head, 7/16 in.-20 Thread Size, Steel, Black, Chevy, Small Block, Each

Part Number: ATI-950231

3.6 out of 5 stars ( 5 )

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 Bolt, 12-point, 180,000 PSI, 1/2-20 in., 1.550 in. UHL, Each

Part Number: PQX-1042396

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer, SFI-Rated Racing Series, Lightweight, Internal Balance, Steel, Black, Chevy, Small Block, W-Engine, Each

Part Number: PQX-2432740

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer Bolt, Steel, Black, Hex Head, Chevy, Small Block, Each

Part Number: MRG-7845

Not Yet Reviewed

Estimated Ship Date: Today

Harmonic Balancer Bolt, Steel, Zinc Plated, Hex Head, Chevy, Big Block, Each

Part Number: MRG-946G

Not Yet Reviewed

Estimated Ship Date: Today

Harmonic Balancer Bolt, Steel, Gold Iridite, Hex Head, Universal, 7/16 in.-20 RH in., 2.75 in., Length, Each

Part Number: CTR-76-527

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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

Part Number: ATI-917410

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer Repair Sleeves, Steel, Chevrolet, Pontiac, L4, L6, V6, V8, Each

Part Number: FEL-16202

4.91 out of 5 stars ( 23 )

Estimated Ship Date: Today

Harmonic Balancer Bolts, Replacement, Steel, Black E-Coat, 1/2 in.-20 Thread, 2.5 in. Long, 12-Point Head, Washer included, Chevy, 6.5-8.1L, Each

Part Number: HLY-97-321

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: ATI-917010

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Balancer Bolt, 7/16-20 in. Thread, 2.000 in. Length, Chevy, Small Block, Each

Part Number: MIL-84530

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

SPACER - CRANK HUB - CHEVY BB - .093

Part Number: ATI-916310

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-917320

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ATI-917232

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer, Super Damper, Internal Balance, Steel, 7.074 in. Diameter, Shell Only, Each

Part Number: ATI-916360-10

2.0 out of 5 stars ( 2 )

Estimated Ship Date: May 7, 2026 if ordered today

• Drop Ship
• Special Order

Replacement Hub, Steel, Black Zinc Chromate, Chevy, Small Block, Each

Part Number: ATI-916040

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Balancer Bolt, 1/2-20 in. Thread, 1.375 in. Length, Chevy, Big Block, Each

Part Number: MIL-84532

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Today

Harmonic Balancer, Internal Balance, 7.990 in. Diameter, Nodular Iron, Black, Chevy/GMC, Small Block, Each

Part Number: PIO-DA-3502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Harmonic Balancer, Dual Keyway, Internal Balance, Steel, Black, , Chevy Small Block, Each

Part Number: ATI-917780K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ATP-102047

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: ATI-917784

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer, Red Series, Internal Balance, Steel, Black Powdercoated, 6.200 in. O.D., SFI 18.1, Chevrolet, Big Block, Each

Part Number: RMA-NA0207

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping