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Holley Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point 97-321
$22.99
Replacement harmonic balancer bolt with thick washer for Big Block Chevy Mid-Mount Accessory drive system. 12-Point, 1/2" Wrench Size, 1/2"-20 x 2.500" Under Head Length, Washer diameter 1.5" x 0.200" Thick.
Specifications:
| 1908 | 10.9 |
| Brand | Holley |
| Category | Engine |
| 17 | Black |
| Emission Code | 6 |
| Engine | Chevy Big Block V8 |
| Finish | Black E-Coat |
| 3390 | Performance |
| Head Drive Type | 12 Point |
| Head Style | 12-Point |
| 14 | 2.5 |
| 10 | Steel |
| part type | Engine Harmonic Balancer Bolt |
| Product Type | Harmonic Balancer Bolts |
| PSI Rating | 180,000 |
| Reusable | Yes |
| Sub Category | Hardware, Fasteners and Fittings |
| Thread Diameter | 1/2 |
| Thread Pitch | 20 |
| Thread Size | 1/2-20 |
| Under Head Length | 2.500" |
| 3145 | Universal |
| Warning | California Proposition 65 |
| Washer Size | .200" Thick x 1.5" Diameter |
| Washer(s) Included | Yes |
| Wrench Size | 1/2" |
| Description_INV | BBC CRANK DAMPER BOLT BBC MID-MOUNT |
| Description_ASC | Torque Harmonic Balancer Bolt to 85 ft/lbs. |
| Description_DES | Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point |
| Description_EXT | Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK |
| Description_MKT | Replacement harmonic balancer bolt with thick washer for Big Block Chevy Mid-Mount Accessory drive system. 12-Point, 1/2" Wrench Size, 1/2"-20 x 2.500" Under Head Length, Washer diameter 1.5" x 0.200" Thick. |
| Description_FAB | 180,000 PSI Rating (Grade 9) |
| Description_FAB | Made from Steel |
| Description_FAB | Black E-Coat Finish |
| Description_FAB | 1/2" Wrench Size |
| Description_FAB | 12-Point Bolt Head |
| Description_FAB | Large Diameter Extra Thick Washer - .200" Thick x 1.5" Diameter |
| Description_FAB | Reusable - Not Torque-To-Yield |