---
product_id: 46034280
title: "Sealed Power H581CP30 Cast Piston"
brand: "sealed power/speed pro"
price: "£385.96"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/46034280-sealed-power-h581cp30-cast-piston
store_origin: GB
region: Great Britain
---

# 4.280" bore diameter DurOshield coating 30cc domed head Sealed Power H581CP30 Cast Piston

**Brand:** sealed power/speed pro
**Price:** £385.96
**Availability:** ✅ In Stock

## Summary

> 🏁 Elevate Your Ride with Precision Performance!

## Quick Answers

- **What is this?** Sealed Power H581CP30 Cast Piston by sealed power/speed pro
- **How much does it cost?** £385.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/46034280-sealed-power-h581cp30-cast-piston)

## Best For

- sealed power/speed pro enthusiasts

## Why This Product

- Trusted sealed power/speed pro brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Fit:** Compatible with stock length 6.135" rods for easy installation.
- • **Unleash Your Power:** Domed head design with 30cc capacity for optimal performance.
- • **Precision Engineering:** Perfectly crafted with 5/64" and 3/16" ring grooves for enhanced durability.
- • **Versatile Performance:** Ideal for both street and race applications, including nitrous setups.
- • **Engineered for Excellence:** Press-fit or floating pin options to suit your specific needs.

## Overview

The Sealed Power H581CP30 Cast Piston features a domed head design with a 30cc capacity and is engineered for both street and racing applications. With a durable DurOshield skirt coating and precision ring grooves, this piston is designed for optimal performance and compatibility with stock length rods.

## Description

This listing is for (8) Pistonscompatible replacements for Big Block 454 Chevrolet. Domed head .340" high (30cc) w/2-valve reliefs. DurOshield skirt coated pistons. 5/64" 5/64" 3/16" ring grooves For stock length 6.135" rods Press-fit or floating pin. Your Choice of over sizes. This set is for 4.280" Bore Diameter.

## Features

- Domed head .340" high (30cc) w/2-valve reliefs. DurOshield skirt coated piston.
- 5/64" 5/64" 3/16" ring grooves
- Good for street or race/nitrous to 150 sho
- Press-fit or floating pin 4.280" Bore Diameter
- For stock length 6.135" rods

## Images

![Sealed Power H581CP30 Cast Piston - Image 1](https://m.media-amazon.com/images/I/81CKT4q1yvL.jpg)
![Sealed Power H581CP30 Cast Piston - Image 2](https://m.media-amazon.com/images/I/81v3kaGNm-L.jpg)
![Sealed Power H581CP30 Cast Piston - Image 3](https://m.media-amazon.com/images/I/61DMgj1gn5L.jpg)
![Sealed Power H581CP30 Cast Piston - Image 4](https://m.media-amazon.com/images/I/61B1UqH4JPL.jpg)
![Sealed Power H581CP30 Cast Piston - Image 5](https://m.media-amazon.com/images/I/511WJdyA7HL.jpg)

---

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**Shop now:** [https://www.desertcart.co.uk/products/46034280-sealed-power-h581cp30-cast-piston](https://www.desertcart.co.uk/products/46034280-sealed-power-h581cp30-cast-piston)

---

*Product available on Desertcart Great Britain*
*Store origin: GB*
*Last updated: 2026-04-23*