Built to order — every unit is specified in consultation with us.
No two builds are the same. Tell us about your project using the Request a Quote form above — or message us on WhatsApp +61 417 238 033 or sales@billetrotary.com.au — and we'll come back to you with a formal quotation for your exact specification.
Indicative pricing from $29,000 AUD. Final pricing depends on specification, selected options and current component costs.
High-value assemblies are invoiced directly and paid by bank transfer — we don't take five-figure payments through online checkout. Your quote will include payment details, build lead time and worldwide freight options.
13B Cast Iron FC RX-7  Engine Short Block
Due to many different part options/upgrades for these highly complex engines and the cost for such parts continuing to change, we recommend contacting us directly to discuss the requirements for your engine build. 
Do not make a purchase of this product via the website.
Pricing is only listed as a basic approximation guide and will vary.
Mazda Rotary Engine 13B  FC RX7 Style Short Block
What's included
Genuine Mazda Front plate
Genuine Mazda  Intermediate  plate
Genuine Mazda Rear plate
Genuine Mazda Rotor Housings x 2
Genuine Mazda Rotors x 2
Genuine Mazda Stationary Gears
Balanced Rotating assembly
Mazda Front timing cover
Stud Kit
Engine Dowels
Porting options
All Seals and Gaskets
 
Example of Options 
Porting options such as CNC Bridge Porting, Semi  PP or Full Peripheral port
Rotor Modifications, Such as clearancing or lightening 
Rotor Housing modifications 
Eccentric shaft modifications
Billet timing cover options with bearing support for wet and dry sump configurations
Plus any long block requirements can be added