---
product_id: 1674605
title: "8225 HEI Ignition Coil"
brand: "msd"
price: "R$2224"
currency: BRL
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.br/products/1674605-8225-hei-ignition-coil
store_origin: BR
region: Brazil
---

# 70:1 turns ratio for max voltage Full power sparks up to 9,000 RPM Direct GM HEI coil-in-cap replacement 8225 HEI Ignition Coil

**Brand:** msd
**Price:** R$2224
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with precision power and race-ready spark!

## Quick Answers

- **What is this?** 8225 HEI Ignition Coil by msd
- **How much does it cost?** R$2224 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/1674605-8225-hei-ignition-coil)

## Best For

- msd enthusiasts

## Why This Product

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

## Key Features

- • **CARB E.O. Approved:** Meets strict emissions standards—performance without compromise.
- • **RPM-Ready Performance:** Maintains full power sparks up to 9,000 RPM for peak engine responsiveness.
- • **High-Voltage Powerhouse:** 70:1 turns ratio and low primary resistance deliver unmatched spark intensity.
- • **Optimized with MSD Module:** Designed to pair perfectly with MSD HEI Module PN 83647 for ultimate ignition synergy.
- • **Seamless GM Compatibility:** Direct drop-in replacement for GM HEI coil-in-cap distributors—no hassle, just power.

## Overview

The MSD 8225 HEI Ignition Coil is a direct performance replacement for GM HEI coil-in-cap distributors, featuring a 70:1 turns ratio and low primary resistance to deliver high voltage output. It sustains full power sparks up to 9,000 RPM when paired with the MSD 83647 HEI Module and is CARB E.O. approved, ensuring top-tier ignition performance with emissions compliance.

## Description

MSD8225 HEI Ignition Coil

## Features

- Direct performance replacement for GM HEI coil-in-cap distributors
- 70:1 turns ratio and lower primary resistance produce high voltage output
- Full power sparks to 9,000 RPM when used with 83647 MSD HEI Module
- Recommended for use with MSD HEI Module PN 83647
- CARB E.O. Approved

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 7.91 x 5.71 x 2.48 inches |
| Package Weight | 0.8 Kilograms |
| Item Weight | 1.7 Pounds |
| Brand Name | MSD |
| Warranty Description | Warranty |
| Model Name | MSD 8225 HEI Ignition Coil |
| Color | No Color |
| Material | Plastic |
| Suggested Users | unisex-adult |
| Manufacturer | MSD Ignition |
| Part Number | MSD-8225 |
| Included Components | MSD 8225 HEI Ignition Coil |
| Size | No Size |

## Images

![8225 HEI Ignition Coil - Image 1](https://m.media-amazon.com/images/I/61GDVfuS7hL.jpg)

## Questions & Answers

**Q: How many volts does this coil produce?**
A: 42,000 maximum volts

**Q: I have an accel brand distributor will this fit?**
A: From my experience, hei in-cap style coils fit various brands of distributor caps. Have not had that exact combo come across my table but I would bet on it fitting. I put this coil in a Mallory distributor, fit fine.

**Q: Will the msd distributer and coil and all that fun stuff work on my 98 gmc Sierra 350 vortec 5.7l**
A: Unless you have an HEI style motor it will not work. I beleive that motor comes with a crab style cap, if that is the case, the distributor wont work but you should be able to wire in the coil.

Thank you.

**Q: Will these fit on 77 firebird?**
A: If you have a GM HEI distributor it will fit.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth the investment.
*by K***N on June 28, 2025*

Why did you pick this product vs others?:Cheaper way to boost a regular distributor spark power on a budget.Quality:GoodWorks well:I’ve used this before along with the msd ignition box. Fired up every single time.

### ⭐⭐⭐⭐⭐ Great coil
*by C***G on June 23, 2023*

Man you can not beat this deal works great and was here almost overnight

### ⭐⭐⭐⭐⭐ Good coil. Very well constructed. Good terminal leads.
*by R***H on May 31, 2025*

Fire to the wire. This delivers what it is supposed to. No complaints from me. Brought my small block back to life. No coughing when you hit the 4 barrel!!

## Frequently Bought Together

- MSD 8225 HEI Ignition Coil
- MSD 8416 Distributor Cap and Rotor HEI, Red
- MSD Ignition 5596 Street Fire Distributor for HEI Module Engine, Black

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**Shop now:** [https://www.desertcart.com.br/products/1674605-8225-hei-ignition-coil](https://www.desertcart.com.br/products/1674605-8225-hei-ignition-coil)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-25*