---
product_id: 104258689
title: "SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383"
brand: "big-autoparts"
price: "S$20"
currency: SGD
in_stock: true
reviews_count: 8
url: https://www.desertcart.sg/products/104258689-sbc-harmonic-balancer-bolt-small-block-damper-compatible-with-chevy
store_origin: SG
region: Singapore
---

# Split lock washers prevent vibration loosening High hex head for zero socket slippage Extra thick parallel ground washer for uniform torque SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383

**Brand:** big-autoparts
**Price:** S$20
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in performance, unlock your engine’s true potential!

## Quick Answers

- **What is this?** SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383 by big-autoparts
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/104258689-sbc-harmonic-balancer-bolt-small-block-damper-compatible-with-chevy)

## Best For

- big-autoparts enthusiasts

## Why This Product

- Trusted big-autoparts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Slip-Free Adjustment:** High hex head design eliminates socket slippage during valve adjustments or engine rotation.
- • **Race-Ready Durability:** Built to withstand the intense demands of drag racing and circle track performance.
- • **Precision Torque Control:** Extra thick parallel ground washer ensures smoother, more accurate torque application every time.
- • **Vibration-Proof Security:** Includes split lock washers engineered to keep your balancer bolt firmly in place under extreme conditions.
- • **Tailored for Small Block Chevy:** Specifically designed to fit Chevy 280, 305, 350, and 383 engines for perfect compatibility.

## Overview

The SBC Harmonic Balancer Bolt by Big-Autoparts is a precision-engineered component designed specifically for small block Chevy engines (280, 305, 350, 383). Featuring a high hex head to prevent socket slippage, an extra thick parallel ground washer for consistent torque, and split lock washers to resist vibration loosening, this bolt is built for high-performance drag racing and circle track applications.

## Description

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

## Features

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |
| Country of Origin | China |
| Item model number | BA-10802004 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | BA-10802004 |

## Images

![SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383 - Image 1](https://m.media-amazon.com/images/I/61UzXSg8LHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Item
*by D***. on March 1, 2025*

Exactly as advertised! Great item.

### ⭐⭐⭐⭐⭐ Easy to assemble
*by P***L on March 24, 2025*

Fit perfect

### ⭐⭐⭐⭐⭐ Good quality
*by G***N on February 15, 2025*

Good quality definitely use the vendor again decent price

## Frequently Bought Together

- Big-Autoparts SBC Harmonic Balancer Bolt Small Block Damper Compatible With Chevy 280 305 350 383
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**Shop now:** [https://www.desertcart.sg/products/104258689-sbc-harmonic-balancer-bolt-small-block-damper-compatible-with-chevy](https://www.desertcart.sg/products/104258689-sbc-harmonic-balancer-bolt-small-block-damper-compatible-with-chevy)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-05*