SBC 1986-UP Rear Main Seal 1-Piece

The SBC 1986-UP Rear Main Seal 1-Piece from SCE GASKETS is specifically designed for Small Block Chevrolet engines, addressing a critical leak point at the crankshaft rear main bearing surface. This product is ideal for those rebuilding classic Chevy motors, upgrading street rods, or maintaining performance builds, as it effectively prevents oil seepage that can lead to engine issues.

The one-piece design of this rear main seal simplifies installation by eliminating the complications associated with split-seal setups. Crafted from premium elastomer materials, it offers superior thermal stability and resistance to oil degradation, making it suitable for both stock and modified engines. This construction ensures a reliable seal that minimizes installation variables and the risk of leaks.

Engine builders, restoration shops, and weekend fabricators will find this rear main seal beneficial for its straightforward installation during full engine assembly. It accommodates the specific geometry of SBC crankshaft flanges from 1986 onward, ensuring a consistent and lasting fit across various engine variants and displacement sizes.