The Remflex 2048 is a 100% graphite exhaust header gasket for GM LS V8 engines from 4.8L to 6.0L (LS1) running wide-body headers. It handles exhaust temperatures up to 3,000 degrees F and its built-in 50% crush seals against uneven 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: GM LS 4.8L-6.0L LS1 V8, wide-body headers
- Part number: 2048
FAQ
What does the 2048 gasket fit?
It fits GM LS V8 engines from 4.8L to 6.0L (LS1) with wide-body headers.
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.

