Speedmaster®
Chevy SBC 350 Rear Main Seal Adapter Late 1pc to 2pc Aluminum
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 aluminum and require no drilling or welding for installation. Replaces ALL26126
Specs
| Brand: | Speedmaster |
| Part Number: | PCE536.1003 |
| 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: | Natural |
| Mounting Hardware Included: | No |
| Quantity: | Sold individually. |
| Notes: | For use with 1986 and later to blocks. Converts to 2pc. RMS Early Model |
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.