FC 13B-T Secondary Fuel Rail


Secondary Rail Injector Fitment

O-ringed Fittings

Add Injector Dynamics Injectors

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13B-T FC3S Secondary Fuel Rail

The diffusers must be removed.

Includes Lower O-Ring Inserts

Fits: 86-91 Mazda RX7 (S4 and S5 13B-T) w/ Aftermarket Top Feed Injectors (14mm o-ring, 48 or 60mm length)

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

Additional information

Weight 1 lbs
Dimensions 12 × 4 × 4 in
FC Secondary Rail Fitment

S4 (86-88), S5 (89-91)