2025 EVO turbos come pre-tapped to accommodate an adapter for larger 0.70a/r 4" inlet compressor housings. Use this kit to convert your existing 3" inlet housing turbo to 4" to support more flow!
Includes:
- 4" Inlet, 2.5" Outlet 0.70a/r Compressor Housing
- 2-piece Adapter Ring
- 4x Torx Bolts
- 6x Compressor Housing Nuts
- 6x Compressor Housing Studs
- Compressor Housing O-Ring