Holley Engines & Components

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 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

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Accessory Bracket Components, Replacement, LSA Supercharged Accessory Drive, Bolt Kit, Steel, Nickel Finish, Chevy, 6.2L, Kit

Part Number: HLY-97-263

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Drop Ship
• Special Order

Engine Accessory Bracket Components, Replacement, Hardware, Steel, Nickel Finish, LSA Alternator and Power Steering Accessory Drive, Chevy, 6.2L, Kit

Part Number: HLY-97-238

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Drop Ship
• Special Order