---
product_id: 259748913
title: "SBC Harmonic Balancer Bolt Small Block Damper for Chevy 280 305 350 383"
brand: "big-autoparts"
price: "₨16739"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/259748913-sbc-harmonic-balancer-bolt-small-block-damper-for-chevy-280
store_origin: LK
region: Sri Lanka
---

# Grade 8 heat-treated strength Extra thick parallel ground washer for uniform torque High hex head prevents socket slippage SBC Harmonic Balancer Bolt Small Block Damper for Chevy 280 305 350 383

**Brand:** big-autoparts
**Price:** ₨16739
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in power and precision with every turn!

## Quick Answers

- **What is this?** SBC Harmonic Balancer Bolt Small Block Damper for Chevy 280 305 350 383 by big-autoparts
- **How much does it cost?** ₨16739 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/259748913-sbc-harmonic-balancer-bolt-small-block-damper-for-chevy-280)

## 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

- • **Race-Ready Durability:** Grade 8 heat-treated bolt engineered for high-performance drag and circle track racing.
- • **Slip-Free Adjustments:** High hex head design eliminates socket slippage, making valve adjustments and engine rotation effortless.
- • **Precision Torque Control:** Extra thick parallel ground washer ensures smoother, more accurate, and uniform torque application every time.
- • **Vibration-Proof Security:** Includes split lock washers to prevent loosening caused by intense engine vibrations.
- • **Tailored for Small Block Chevy:** Specifically designed to fit Chevy 280, 305, 350, and 383 small block dampers perfectly.

## Overview

The SBC Harmonic Balancer Bolt is a Grade 8 heat-treated, black-plated bolt 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 uniform torque, and split lock washers to resist vibration loosening, this bolt is built for high-performance racing and precision engine tuning.

## Description

SBC Harmonic Balancer Bolt Small Block Damper for 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 |
| Package Dimensions | 10.39 x 5.31 x 3.1 cm; 150 g |
| Item model number | BA-10802004 |
| Manufacturer part number | BA-10802004 |
| Item Weight | 150 g |

## Images

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

## 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.lk/products/259748913-sbc-harmonic-balancer-bolt-small-block-damper-for-chevy-280](https://www.desertcart.lk/products/259748913-sbc-harmonic-balancer-bolt-small-block-damper-for-chevy-280)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-20*