Maruha ITB Individual Throttle Body for NA6 Miata (ECU not included)
Maruha has done extensive design and testing  to come up with their latest ITB offering for Miata lovers. Nothing beats the sound and throttle response of ITBs. This full kit is designed to overpower other ITB kits on the market as well as offer the complete, well thought out package. This kit is ready to install the moment you unpack it.
The kit includes:
Slim type 45mm throttle body
Intake manifold
4 x Funnels with custom machining
4 x Venturi adapters (choice of inner diameter)
4 x Pipercross funnel socks
Idle block
Throttle position sensor (TPS)
Custom Matte black air balance plate
Custom fuel rail
Fuel and oil hoses
All fittings and PCV valves
This item is a special order from Japan. Wait time is approximately 2 months. 
Venturi adapter choice can be specified if needed.
Default 38mm.
40mm
36mm