B & D Series Billet Thermostat Coolant Housing
Precision Works B-Series D-Series Thermostat Housing
Replace your factory cast thermostat housing with this Precision Works billet housing!
Applications: Honda B-Series & D-Series Engines
- Direct bolt-on replacement
- Standard 1.25" radiator hose fitting
- Optional AN fitting. Uses a -16AN fitting.
- 1/8 NPT port with plug for accessory or temp. gauge
- Billet 6061 aluminum
- Precision CNC machined
- May not fit with some scatter shields
- May require modification for some transmission