Description
13B-T FC3S Primary and Secondary Fuel Rail
The diffusers must be removed.
Includes Lower O-Ring Inserts
Black Color Only
48mm Primary Fitment Only
Fits: 86-91 Mazda RX7 (S4 and S5 13B-T) w/ Aftermarket Top Feed Injectors (14mm o-ring, 48mm length)
Injector Dynamics Fitment
RX-7 87-92 (14mm)
1050.14.48.14
1300.14.48.14
1750.14.48.14
2600.14.48.14
13B-T FC3S Secondary Fuel Rail
Fits: 86-91 Mazda RX7 (S4 and S5 13B-T) w/ Aftermarket Top Feed Injectors (14mm o-ring, 48 or 60mm length)
Injector Dynamics FitmentÂ
RX-7 S4 87-88Â (14mm)
1050.14.60.14 with FD Blue Lower Insert
1300.14.60.14 with FD Blue Lower Insert
1750.14.60.14 with FD Blue Lower Insert
2600.14.60.14 with FD Blue Lower Insert
RX-7 S5 89-92Â (14mm)
1050.14.48.14 with FC Purple Lower Insert
1300.14.48.14 with FC Purple Lower Insert
1750.14.48.14 with FC Purple Lower Insert
2600.14.48.14 with FC Purple Lower Insert
1/2″ Bore – Suited for high horsepower needs
O-ringed end fittings – No more Teflon tape/worn threads!
Centering Spacers – Ensuring injectors are centered for no air/fuel leaks
Stainless Hardware – High strength/corrosion resistant
13B-T’s require different lengths/combinations depending on S4 or S5.
Save and add Injector Dynamics injectors!
Injectors supplied with our o-ringed lower inserts when purchased with rail.