Turblown Engineering 13B Rotary Engine Stud Kit – RX-7 / RX-8
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 Engineering 13B Engine Stud Kit is designed for high-power Mazda rotary engines, replacing the factory tension bolts with precision high-strength studs for more consistent clamping force and reduced engine expansion under high boost.
Manufactured from aircraft-quality forged steel with hot-rolled threads, the studs are rated at 195,000 PSI tensile strength and are reusable. No machining is required for installation.
Key Features
- High-strength 13B engine stud conversion
- 195,000 PSI tensile strength
- Aircraft-quality forged steel
- Hot-rolled threads
- Precision-ground construction
- More consistent engine clamping
- Helps reduce engine expansion at high power
- Black oxide finish
- Reusable
- No machining required
- Compatible with OEM & aftermarket flywheels
Compatibility
- 13B-REW – RX-7 FD3S
- 13B-T – RX-7 FC3S
- 13B-RE
- Other 13B applications
- 13B-MSP Renesis – RX-8
The RX-7/13B kit replaces all 16 inner tension bolts, while the RX-8 configuration replaces 13 tension bolts.
PRODUCT SPECIFICATIONS
Manufacturer: Turblown
Part Number: TUR-13B-ENG-STUDKIT
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.