SamcoSport silicone hoses Brand SamcoSport (UK) Website SamcoSport.com Part number Various Silicone hoses can withstand higher temps. and pressures than other rubbers. I'm currently using the following SamcoSport hoses: Part number Part Size (mm*) Remarks SCH80 Straight coupler 80.0 Airflow meter (AFM) to straight intake SHL12.7 Straight hose 13.0 Positive crankcase ventilation (PCV) to oil catch tank, straight intake to catch tank and Idle speed control (ISC) valve SR80-70 Straight reducer 80.0 > 70.0 Straight intake to turbo STP51 T-hose 51.0 Turbo to intercooler + blow-off valve TCS169/C Coolant set 32.0 ST185 specific coolant set, 3 pc. VT4B-2W/3m Vacuum line 4.0 Vacuum to blow-off valve and boost controller solenoid, intercooler overflow VT6.3B-2.5W/3m Vacuum line 6.3 Radiator overflow, boost controller solenoid to turbo VT8B-3W/3m Vacuum line 8.0 Inlet manifold to HKS idle stabiliser * Inner diameter (ID). Related links Modifications - Engine Top