---
product_id: 36270047
title: "PM120S - SBC Small Block Chevy Straight Plug Aluminum Cylinder Heads 64cc"
brand: "proheader"
price: "$495.55"
currency: USD
in_stock: false
reviews_count: 4
url: https://www.desertcart.us/products/36270047-pm120s-sbc-small-block-chevy-straight-plug-aluminum-cylinder-heads
store_origin: US
region: United States of America
---

# 64cc Chamber 2.020 Intake Valve 198cc Runner PM120S - SBC Small Block Chevy Straight Plug Aluminum Cylinder Heads 64cc

**Brand:** proheader
**Price:** $495.55
**Availability:** ❌ Out of Stock

## Summary

> 🏁 Rev Up Your Ride with Proheader's PM120S!

## Quick Answers

- **What is this?** PM120S - SBC Small Block Chevy Straight Plug Aluminum Cylinder Heads 64cc by proheader
- **How much does it cost?** $495.55 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/36270047-pm120s-sbc-small-block-chevy-straight-plug-aluminum-cylinder-heads)

## Best For

- proheader enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Compatibility:** Compatible with both Vortech and conventional SBC intakes for ultimate flexibility.
- • **Enhanced Airflow Dynamics:** Innovative ridge design in the intake pocket promotes superior air swirl for improved combustion.
- • **Durable Design for Performance:** Crafted with a robust .625” deck thickness, ensuring longevity and reliability.
- • **Unleash Your Engine's Potential:** Experience the power of precision-engineered aluminum heads designed for optimal airflow.
- • **Precision Machined for Perfection:** Fully machined surfaces guarantee a perfect fit and maximum performance.

## Overview

The PM120S SBC Small Block Chevy Straight Plug Aluminum Cylinder Heads are engineered for high performance, featuring a 64cc combustion chamber and a 198cc runner. Constructed through a permanent mold casting process, these heads offer durability and precision with fully machined surfaces, making them compatible with various intake styles. Ideal for enthusiasts looking to enhance their engine's efficiency and power.

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Proheader |
| Item Weight | 50 pounds |
| Manufacturer Part Number | PM120S |

## Images

![PM120S - SBC Small Block Chevy Straight Plug Aluminum Cylinder Heads 64cc - Image 1](https://m.media-amazon.com/images/I/41JedLsE1QL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by C***Z on October 6, 2018*

Great Product.. took to Machine Shop to have them checked out and have the Valves installed and they were impressed with the quality Heads.

### ⭐⭐⭐⭐⭐ Runs nice and hard
*by C***Y on March 7, 2018*

I had no issues preparing and installing these heads. Gave them the full torque spec. No cracks. No problem. My daily driver has serious flow now. Runs nice and hard.

### ⭐⭐⭐⭐⭐ Nice
*by R***. on August 10, 2017*

Vrrrrroooom Vrroooom!! Nice heads

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**Shop now:** [https://www.desertcart.us/products/36270047-pm120s-sbc-small-block-chevy-straight-plug-aluminum-cylinder-heads](https://www.desertcart.us/products/36270047-pm120s-sbc-small-block-chevy-straight-plug-aluminum-cylinder-heads)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-21*