CHEVROLET 7.4L/454 Harmonic Balancers

Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, Chevy, Big Block, Each

Part Number: ARP-135-2501

4.91 out of 5 stars ( 35 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, Chevy, Big Block, Each

Part Number: ARP-235-2501

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Hex Head, Steel, Black Oxide, 1/2-20 in. Thread, Washer, Chevy, Big Block, Each

Part Number: ATI-951502

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, Chevy, Big Block, Each

Part Number: ARP-235-2502

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Chromoly, Black Oxide, Square Drive, Chevy, Big Block, Each

Part Number: ARP-135-2503

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: MRG-7845

Not Yet Reviewed

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 Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Big Block, Each

Part Number: PRO-141-729

4.25 out of 5 stars ( 4 )

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

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

Part Number: SKF-99087

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 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

Not Yet Reviewed

Estimated Ship Date: Today

Repair Sleeve Various Makes 68-11

Part Number: FWB-SR3475

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: SUM-25264

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

HARM BAL SLEEVE

Part Number: PIO-HB4123

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order