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