Speedmaster®

Chevy BBC 454 Rear Seal Adpater Gen V &VI Block 1PC to 2PC Rear Main Seal

US $106.40
Single Points Earn 106 Points

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MPN PCE536.1001 UPC840136556978

Product Information

Overview

These Speedmaster rear main seal adapter kits are designed to install an early 2-piece style crankshaft into a late model, 1-piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation.

Specs

Brand:Speedmaster
Part Number:PCE536.1001
Part Type:Rear Main Seal Adapter
Rear Main Seal Adapter Type:1-piece to 2-piece
Rear Main Seal Adapter Material:Billet aluminum
Rear Main Seal Adapter Finish:Red anodized
Mounting Hardware Included:No
Quantity:Sold individually.
Notes:For use with Gen V &VI Block.

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.

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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.