The Remflex 2025 is a 100% graphite exhaust manifold gasket for Small Block Chevrolet V8 engines from 262 to 400 cubic inches. It handles exhaust temperatures up to 3,000 degrees F and its built-in 50% crush seals against uneven cast surfaces.
- Material: 100% graphite
- Heat resistant up to 3,000 degrees F
- Built-in 50% crush fills gaps and surface imperfections up to 1/16 inch
- Rebounds against the sealing surfaces, so it never needs re-torquing
- Fits: Small Block Chevy V8, 262-400 cubic inch, stock manifold
- Part number: 2025
FAQ
What does the 2025 gasket fit?
It fits Small Block Chevrolet V8 engines from 262 to 400 cubic inches with stock exhaust manifolds.
Do these gaskets need to be re-torqued?
No. The graphite rebounds against the sealing surfaces, so the gasket does not require re-tightening after installation.
Can it seal a warped or pitted surface?
Yes. The built-in 50% crush lets it fill gaps and surface imperfections up to 1/16 inch.

