Speedmaster®

Valve Seat 4/ Set - Chevy BBC 454 | Exhaust +0.010 | (3021)

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Speedmaster® PCE283.1003 Valve Seat 4/ Set - Chevy BBC 454 | Exhaust +0.010 | (3021)
US $40.40 US $47.50
You Save US $7.10 (15%)
Single Points Earn 40 Points
Free shipping on orders over $150

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10M+ Items Shipped Worldwide

MPN PCE283.1003 UPC840136532644

Product Information

Overview

These replacement valve seats are just like the originals. Made from premium materials and built to exacting tolerances, they replace your existing worn or damaged valve seats.

Specs

Brand:Speedmaster
Part Number:PCE283.1003
Part Type:Valve Seat
Valve Seat Location:Exhaust Seat
Quantity:Sold as a set.

Warranty Information

12-Month Limited Worldwide Warranty

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Installation Guide

Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.

Get Installation Guide

This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.