Turblown Cast FC3S Lower Intake Manifold – 13B Turbo
Turblown Cast FC3S Lower Intake Manifold – 13B Turbo
AVAILABILITY & LEAD TIME
In-stock items are normally dispatched promptly. Products not currently in stock may require additional supplier lead time before dispatch.
If you need an item urgently, please contact RSG before ordering to confirm current availability.
The Turblown Cast FC3S Lower Intake Manifold is a performance-focused upgrade for Mazda RX-7 FC3S 13B turbo engines, developed to improve airflow balance between rotors. Its large equal-length, equal-bend runners help balance volumetric efficiency, while the tapered runner design maintains air velocity and response.
Available for standard 4-port side-port or Semi Peripheral Port (Semi PP) engines, with additional injector provisions and a dedicated billet -8AN high-flow fuel rail included.
Choose Version
4-Port / Side-Port
- 4 injector positions
- Billet -8AN fuel rail
Semi PP
- 6 injector positions
- Billet -8AN fuel rail
Key Features
- Cast aluminium construction
- Equal-length / equal-bend runners
- Tapered runner design
- 4-Port & Semi PP options
- Additional injector positions
- Billet -8AN fuel rail included
- O-ringed flange for improved sealing
- Material available for match-porting
- Integrated heat-shield mounting provisions
- Designed for high-power FC3S applications
Important: The injector locations are specific to the Turblown design, so other aftermarket fuel rails are not compatible.
PRODUCT SPECIFICATIONS
Manufacturer: Turblown
Part Number:
Condition: New
Country of Origin: USA
RETURNS & REFUNDS
Returns are accepted in accordance with our Returns & Refund Policy.
Items must meet the applicable return conditions.
Please contact Rotary Secret Garage before returning any item.
SHIPPING & DELIVERY
Worldwide shipping with FedEx.
Rotary Secret Garage ships international orders using FedEx tracked courier services, providing reliable door-to-door delivery and shipment tracking.
Orders outside the European Union are shipped by FedEx Express.
Available shipping services and costs are calculated at checkout.
DUTIES & IMPORT TAXES
Orders shipped outside the European Union may be subject to import duties, taxes and customs fees imposed by the destination country.
These charges are the responsibility of the recipient and are not included in the product price or shipping cost, unless explicitly stated otherwise.
PARTS & FITMENT
Compatible Vehicle / Engine:
Please verify the vehicle application and part number before ordering.
If you are unsure whether a part is suitable for your vehicle, engine or specific setup, contact Rotary Secret Garage before placing your order.
RSG can assist with product selection and compatibility for parts supplied through our store.
PRODUCT SUPPORT
Technical product support is available from Rotary Secret Garage for parts supplied through our store.
If you need assistance with product selection, installation or application, contact RSG and include your order number and relevant vehicle, engine or setup details.