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

Name: Chevy BBC 454 Rear Seal Adpater Gen V /VI Block 1PC to 2PC Rear Main Seal
Brand: SPEEDMASTER
SKU: 746-PCE536.1001
Price: 106.40 USD
Availability: InStock

^$106⁴⁰

Ships on 09/15/2026

Lowest Price Guarantee

These Procomp Electronics 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.

Secure Seal to Prevent Oil Leakage

A Speedmaster Rear Main Seal Retainer will properly clamp and hold the rear main seal during high crank pressures.

Part TypeCrankshaft Rear Main Seal Adapter

Product LineSpeedmaster Rear Main Seal Retainer

BrandSPEEDMASTER

Package Height4.8

Package Width6.4

Package Length6.5

Weight0.94 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberPCE536.1001

Package Qty1

Package TypeEA

No Questions

No Reviews

Some parts are not legal for use in California or other states with similar laws / regulations

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

Secure Seal to Prevent Oil Leakage

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords