Rotary Response and Racing

Engines and internal parts 

Used rotor housings have their own page

Please contact by email for info and purchase 

           All motors shipped truck freight only           

This page:

12A SA 1978/80 thermal reactor motor, like new block or complete ready to drop in

12A 74/78 based IT/RS large port  block

13B REPU Cosmo 74 78  block

13B TII 1987 complete   

Engine parts- steel housings, rotors 

Salvaged Rotor housings all 

Counter weights - rear

 


The parts pages:

  Main Catalog    FD3S     FC3S

   Cosmo Repu

     Cars for sale  Used rotor housings 


The web pages:

  Rotary Tech and Info 

  RX7 eBay store   Webrings & Links  Home

"piston engine goes /\/\/\"


Rear counterweights-

year motor part number available buy
79-82 12A 1881-11-751A 3 @ 75 each asdf
83-85 12A   N226-11-751A -  
74-85 13B  1029-11-751A 4 @ 75 each asdf
86-88 13B N327-11-751A -  
89-95 13B N351-11-5210 2 @ 95 each asdf

 


71/73  Twin distributor 12A    RX2   RX3 

 

apex seal set of six for early 12A  -  6mm carbon

 0839-23-131 X 6

Factory Mazda Newapexseal083.jpg (95952 bytes)

 $450

       

Rotors  Complete all seals   ready to install - spec'd to new parts  Matched set of rotors

73rotors01opt.jpg (267154 bytes) $600 
Rotors  All seals except apex seals      Seals spec new or less than 10% wear  - Matched set of rotors 73rotors02opt.jpg (283274 bytes) $400 
Steel housings <50% wear     $35 each 
Rotor housings   $200 each 
Rotors    $25 

 

1976 - 1982     12A    RX2 - RX3 - RX7   Rotors

 
 

 

148023rotors.jpg (647877 bytes)  

MSRP  $637.42 

sale price $600

1480-23-103 Front  "C"

148023113.jpg (647537 bytes) $600 
1480-23-113 Rear "C" 148023103.jpg (652504 bytes) $600 

 


1984-1985 

13B rotor housing 

N304-10-100C 

TWO AVAILABLE

13BRHSE1.jpg (75302 bytes) 13BRHSE0.jpg (85439 bytes) MSRP $533.40 each 

Special - $495.40 each $965.00 pair 

$495.40

 

$965.00

12A intermediate steel housing 8341-10-400     MSRP $398.47

$375



FD3S 13B Twin Turbo  
Mazda Factory New 

 N3YA-11-B10 

 FD rotor NIB.jpg (36665 bytes)

TWO AVAILABLE 

 Mazda 13B FD3S Rotor

FD rotor NIB (1).jpg (625647 bytes) FD rotor NIB (2).jpg (565609 bytes) FD rotor NIB (3).jpg (563434 bytes)

   Mazda Suggested Retail Price - $888.44 each 

sale price $800 each 

$1500 pair

$800 One

$1500 Pair

Mazda Factory New

3G1-11-D00 

Mazda 13B FD3S Eccentric Shaft MSRP $542.25 sale price $499

 $499

       
  

New No Longer Available Motor Parts

No Longer Available from Mazda 



** NIB   Mazda 1978-1980 12A rear steel housing  NIB **

8871-23-095

MVC-892Fopt.jpg (33986 bytes)MVC-890Fopt.jpg (60633 bytes)MVC-895Fopt.jpg (54225 bytes)MVC-896Fopt.jpg (47710 bytes)MVC-891Fopt.jpg (18076 bytes)MVC-894Fopt.jpg (12029 bytes)

Shipping weight - 35 lbs

Last known Mazda Price $382.24 1997

 

 

 
 

 

   



Salvaged good to use - 

Many used housings available in various states of wear. 78/85- many good rotor sets with eccentric shaft. A few light weight sets.  Some NIB housings 85 GSL-SE.

647W0397opt.jpg (142990 bytes)

All like new usable rotor housings $300.


Steel housings: Wear less than half of 

Mazda Replacement Criteria 

   
Pre Nitride <1974 25 available 20 each  
1974/1978 15 available 15 each  
1979/1985 21 available 15 each  
1986/1991 4 available 75 each  
1993 FD3S 6 available 95 each  
       

Please make inquires through email- sales@rotaryresponse.com


Rotary Engines


**  Resealed 12A Like new housings 1978/1980 ** 

*  Thermal Reactor motor  *

* No chips, cracks, scores, grooves on rotor housings *

* Steel plates <.002mm wear *

* All new seals/springs/o'rings *

This is as close to a brand new motor that you can get 

No porting

Street application 1978/1980  SA RX7 

comes just like mana motor

$2800 motor only

or

$3995 ready to drop in

dsc01226_edited.jpg (25152 bytes)  dsc01227_edited.jpg (58210 bytes)

Condition 10 housings

All new seals - springs - orings

Water pump, Thermostat, oil pan, flywheel just like a mana motor

Resealed metering pump

Complete package will come with: Carburetor, distributor, belts, oil filter, thermal reactor, air pump, emissions rail, front mount, good low mile clutch (not shown)

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


**  Resealed RX-3 12A for Improved Touring or RS 1971/1978 ** 

*  74/78 for vintage  *  

No porting

Street application 1974/1978 RX-3 SP

$2400

Distributor not included

MVC-467Fopt.jpg (46651 bytes) MVC-468Fopt.jpg (43234 bytes)

Distributor not included

MVC-469Fopt.jpg (56003 bytes) MVC-470Fopt.jpg (62630 bytes)

Distributor not included

R5 steel plates.

 Carbon apex seals.

Oil system modifications.

 New water pump and thermostat.

6hr Centerforce clutch, fresh disc. 

Blocked injector ports.

Manifold included. 

No wear on 74 rotor housings

Resealed metering pump

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


** Reconditioned 13B for 1974 1978 Mazda RePU 13B **

Like new virtually no wear on housings

$2600

MVC-473Fopt.jpg (48796 bytes) MVC-474Fopt.jpg (49414 bytes) MVC-475Fopt.jpg (57289 bytes) MVC-476Fopt.jpg (49625 bytes)

All new rotor seals and springs

R5 steel housings - REPU specific porting

Front/rear steel plates .0025mm wear

Intermediate housing .003mm

No chipping or scoring on rotor housings

Water pump and thermostat

Oil pan

resealed metering pump

no flywheel 

 

 

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


** Resealed 1987 Mazda 13B TII motor**

Modified to fit in a REPU, SA or FB series RX-7

Needs ECUs

$4500

MVC-466Fopt.jpg (61569 bytes)MVC-463Fopt.jpg (72156 bytes)MVC-465Fopt.jpg (64330 bytes)

Low mileage before reseal - < 20K

Modified front mount housing for turbo oil system

REPU oil pan

 

             This will have to be shipped truck freight            

Shipping weight - 400 lbs US. rough estimate on shipping costs $375

sales@rotaryresponse.com


 Core housings that can be sent to Rotor Housing Resurfacing Company $150. Steel housings with nitride coating still intact $200


return to    front page:

contact at sales@rotaryresponse.com

August 20, 2008 13:15:28 -0400                                                                                              Hit Counter