1981 GMC Harmonic Balancers

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, SFI-Rated Racing Fluidgel Series, External Balance, Steel, Black, Chevy, Bigl Block, Each

Part Number: PQX-2545401

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Harmonic Balancer, OEM, External Balance, Nodular Iron, Natural, Chevy, Big Block, 454, Each

Part Number: PRO-66512

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Seal, Rotary, 0.875 in., Repair Sleeve, Tool Kit, Each

Part Number: SKF-99087

Not Yet Reviewed

Estimated Ship Date: Today

Harmonic Balancer, PQx FluidGel, Internal Balance, Black, Chevy Small Block, V8, Each

Part Number: PQX-2528300

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Timing Tape, 6 3/4 in. Diameter Balancer, Chevy, Small Block, Each

Part Number: MRG-1588

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Hex Head, Steel, Yellow Zinc Dichromate, Chevy, Small Block, Each

Part Number: SPE-4699

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer, PQx, External Balance, Black, Chevy, Big Block, Each

Part Number: PQX-2445441

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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

Part Number: PRO-66517CC

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, GM, Each

Part Number: RNB-594-009

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: PRO-66517BKC

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Harmonic Balancer Repair Sleeves, Steel, Chevrolet, GMC, Big Block Gen V/Mark IV

Part Number: FEL-16205

5.0 out of 5 stars ( 4 )

Cannot be shipped Internationally

• Restricted

Harmonic Balancer Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66518CC

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Balancer Hub, Internal Engine Balance, Buick, Chevy, GMC, Olds, Pontiac, Chevy Small Block, Each

Part Number: ATI-916951K

Not Yet Reviewed

Estimated Ship Date: Today

Crankshaft, Steel Hub, Chevy, Small Block, with Big Block Snout Dry Sump

Part Number: ATI-916043

Not Yet Reviewed

Estimated Ship Date: Today

Repair Sleeve Various Makes 49-15

Part Number: FWB-SR3506

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026 if ordered today

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Repair Sleeve Various Makes 48-05

Part Number: FWB-SR3466

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Harmonic Balancer Bolt Kit 7/16 - 20 x 2.25", Grade 8 Bolt With Tall Hex Head and Extra Thick Ground Washer With Zinc Dichromate Gold Finish

Part Number: CGT-CF1008

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2027 if ordered today

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Harmonic Balancers, ATI Super Damper Serpentine Series Harmonic Balancers, Internal Balance, SFI 18.1, Steel, Chevy, GMC, Pontiac, Buick, Olds, Each

Part Number: ATI-917781-U

Not Yet Reviewed

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Repair Sleeve Various Makes 48-11

Part Number: FWB-SR3496

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Repair Sleeve Various Makes 61-13

Part Number: FWB-SR3451

Not Yet Reviewed

Estimated Ship Date: Today

Repair Sleeve Various Makes 50-08

Part Number: FWB-SR3511

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Harmonic Damper, SFI 18.1 Rated, Internal Balance, Carbon Steel, Black Paint, Chevrolet 283-350, Each

Part Number: TFS-19000

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

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

Part Number: SUM-B64268

Not Yet Reviewed

Estimated Ship Date: Today

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