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SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383

★ 4.6 · 425 ratings
$21.85

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SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383, $21.85, Availability unknown. Image 1 of 3.

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SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383
SKU
JC4437
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Source specifications

Manufacturer
‎Big-Autoparts
Brand
‎big-autoparts
Model
‎SBC Harmonic Balancer Bolt Small Block Damper
Item Weight
‎5.3 ounces
Package Dimensions
‎4.09 x 2.09 x 1.22 inches
Item model number
‎BA-10802004
Is Discontinued By Manufacturer
‎No
Manufacturer Part Number
‎BA-10802004
ASIN
B071NJ5NFM
Customer Reviews
4.6 4.6 out of 5 stars (425) 4.6 out of 5 stars
Best Sellers Rank
#19,466 in Automotive ( See Top 100 in Automotive ) #133 in Automotive Replacement Engine Parts
Date First Available
April 27, 2017

The details

About this item

SB-Chevy, 7/16''-20 x 2-1/4'' SBC Balancer Bolt Harmonic Chevy 280 305 350 383 Small Block Damper Grade 8 Material Heat-Treated For Strength Hex Prevents Socket Slippage Accurate and Uniform Torque Black Plated Finish Harmonic Balancer Bolt High hex head prevents socket slippage when adjusting valves or rotating the engine to degree in a cam.; Extra thick parallel ground washer delivers a smoother more accurate more uniform torque.; Block Damper Designed specifically for small block Chevy.; Balancer Bolt Ideal for high performance drag race and circle track applications.; Balancer Bolt Harmonic Comes complete with split lock washers to prevent any loosening caused by vibration. Rated 4.6 out of 5. Customers find the harmonic balancer bolt to be of excellent quality and say it fits perfectly.

  • Harmonic Balancer Bolt High hex head prevents socket slippage when adjusting valves or rotating the engine to degree in a cam.
  • Extra thick parallel ground washer delivers a smoother more accurate more uniform torque.
  • Block Damper Designed specifically for small block Chevy.
  • Balancer Bolt Ideal for high performance drag race and circle track applications.
  • Balancer Bolt Harmonic Comes complete with split lock washers to prevent any loosening caused by vibration.

From the manufacturer

Product details and media

SB-Chevy, 7/16''-20 x 2-1/4'' SBC Balancer Bolt Harmonic Chevy 280 305 350 383 Small Block Damper Grade 8 Material Heat-Treated For Strength Hex Prevents Socket Slippage Accurate and Uniform Torque Black Plated Finish

Highlights: Harmonic Balancer Bolt High hex head prevents socket slippage when adjusting valves or rotating the engine to degree in a cam. Extra thick parallel ground washer delivers a smoother more accurate more uniform torque. Block Damper Designed specifically for small block Chevy. Balancer Bolt Ideal for high performance drag race and circle track applications. Balancer Bolt Harmonic Comes complete with split lock washers to prevent any loosening caused by vibration.

Key details: Brand: ‎big-autoparts | Model: ‎SBC Harmonic Balancer Bolt Small Block Damper | Item Weight: ‎5.3 ounces | Package Dimensions: ‎4.09 x 2.09 x 1.22 inches | Is Discontinued By Manufacturer: ‎No | Manufacturer Part Number: ‎BA-10802004 | Customer Reviews: 4.6 4.6 out of 5 stars (425) 4.6 out of 5 stars

How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.

Customer feedback: 4.6/5 average rating.

Customers say: Customers find the harmonic balancer bolt to be of excellent quality and say it fits perfectly.

Review snippets: Good quality. Harmonic balancer was walking off. This fixed in Read more / Exact fit Read more

Customer feedback

Customer ratings

4.6 out of 5

425 ratings

Customers find the harmonic balancer bolt to be of excellent quality and say it fits perfectly.

Brett C

5.0 out of 5 stars Worked on Chevy in-line 6

Rating: 5

July 18, 2025

Verified purchase

Good quality. Harmonic balancer was walking off. This fixed in Read more

Rockhound

5.0 out of 5 stars Tight

Rating: 5

February 27, 2026

Verified purchase

Exact fit Read more

Don Juan

5.0 out of 5 stars Good deal.

Rating: 5

January 11, 2026

Verified purchase

Good deal! Quick delivery as well. Read more

Jim Cipollone

5.0 out of 5 stars good stuff

Rating: 5

May 9, 2025

Verified purchase

worked fine, fit job perfectly Read more

Johnny Franklin

4.0 out of 5 stars looks good

Rating: 4

November 2, 2023

Verified purchase

seems ok Read more

Ralph Koon

5.0 out of 5 stars buy

Rating: 5

August 21, 2025

Verified purchase

very well made Read more

Gary S.

5.0 out of 5 stars Great product

Rating: 5

April 20, 2024

Verified purchase

This bolt and washer was a perfect fit for my sbc 350, I hand taped the crankshaft threaded hole, used air pressure to blow it out then added Loctite blue to the threads and tightened up the bolt. Worked great, great value for the money. Read more

John s barber

5.0 out of 5 stars Will do business with this vendor again

Rating: 5

July 14, 2025

Verified purchase

As described Read more

Complete product information
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