Radium 1/8 NPT Male to Female 90° Fitting (14-0332) Brake Pressure Gauge You'll need one of these

You'll need one of these for each seat

mounting brackets

Suits street

(1) Firewall Grommet

Radium 1/8 NPT Male to Female 90° Fitting (14-0332) Brake Pressure Gauge You'll need one of theseRadium 1 8" NPT male to female 90 fitting is commonly used with fuel pressure gauge installation or for the center port fittings for the MK4 Supra. Includes: (1) Fitting Install Notes: NPT (National Pipe Thread) fittings have tapered threads and sealing is done by the threads themselves. Always use a small amount of PTFE paste or tape on NPT threads and tighten to finger tight, then add another 1. 5 to 3 turns until tight. See more Radium Products