This Aeroflow Performance billet thermostat housing is specifically designed to suit Nissan RB20
These nuts are precision machined which are used for building custom length brake lines
RWF-820-04BK
75 INCH INTERNAL DIAMETER
Head Bolts: ARP 134-3601 or Aeroflow AF37-2100
Fuel Block, Y-Type, Billet Anodised, 1/2in. in. NPT Inlet, 1/2 in. NPT outlets Water This Aeroflow Performance billet thermostatPart Number : pfe451 10b Proflow Fuel Block, Y Type, Billet Aluminium, Anodised, 1 2in. in. NPT Female Inlet, 1 2 in. NPT Female Outlets, 1 8in. NPT Gauge Port Proflow 451 Series billet Y blocks feature AL6061 T6 aluminium construction with a corrosion resistant double anodised finish. This unit has NPT female ports and a 1 8 NPT port on the top for accessories, as well as two pre machined holes for easy mounting.