Rotary Response and Racing  Engines Page

Moving  most  Engines internal parts to specific application pages 

This page will be Universal / Common parts and assembled engines

Apex seals  Corner Seals  Gaskets/Orings  Misc engine parts (tension bolts, dowel pins etc)

Please contact by email for info and purchase 

           All engines shipped truck freight only           

This page:

13B FD3S Flow ported RRR engine

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

13B REPU Cosmo 74 78  block

13B TII 1987 complete - Modified for Pre 86 installation any

Engine parts- See specific application pages

Rebuilt REPU/Cosmo ribcase 5 speed $995 plus shipping 

Counter weights - rear

"piston engine goes /\/\/\"

Miscellaneous Engine parts 

Gaskets - O rings 

Condition: BL*  Factory Mazda New - no aftermarket
N2Y0-10-502  1979-1991 Rotary all (the good ones)		22.54
N3A1-10-502 93- Rotary FD3S		27.71
0813-10-555A rear stationary gear oring		5.75
0813-10-555A	bag of 5	25.00

*BL- Blue Label

Apex Seals 

**  Mazda Rotary Engine Apex seals  ** 

Factory Mazda parts used 12A 13B 

Wear ranges 7.25mm to 8.40mm

some with side pieces    some used springs

Condition: Used   All years and variations   1974 to 1985 Email Prices vary by wear. $25 to $100 each   many matched sets of 3 and 6 7.00 is Mazda's replacement criteria
12A  3mm   Apex seals
M - email do not come with side pieces or springs		A  $420 set of six		E  $225 set of 3		I   $125 set of 3
		B  $420 set of six		F  $120 set of 3		J  $360 set of six
		C  $420 set of six		G  $120 set of 3		K  $145 set of 3
		D  $450 set of six		H  $120 set of 3		L  $145 set of 3
Click on images to enlarge
3 sets with side pieces	New $105 each	W $410  with side seals	X $440	Y $420 with side seals	Z $410 SOLD	ZA $95 each	ZB $90 each
	aa $260 three with side seals	bb $420	cc $360  with side seals	dd $360  with side seals	ee $360  with side seals	ff $300 Three	gg $75/85 each email
13B Apex seals 3mm   used   7.60mm to 8.10mm
measured height ranges 7.50 to 8.40 mm 13B   3mm   Seal on left of image are the lightest  seals on right of image heaviest Some used side pieces and springs
see enlarged image for measured height and code Seal on left of image are the lightest do not come with side pieces or springs		A $120   set of 3		F $225   set of 3		L  $200   set of 3
		B $150   set of 3		H $100   set of 3		M $200   set of 3
		C $150   set of 3		I  $100   set of 3		N $420   set of 6
		D $200   set of 3		J  $150   set of 3
		E $210   set of 3		K $150   set of 3
a1		a2		a3
Click on images to enlarge
13B 3mm   7.51mm to 8.40mm
see enlarged image for measured height and code seals on right of image heaviest do not come with side pieces or springs		O  $100  Set of 3		R $300 Set of 6		U $300 Set of 3
		P  $100  Set of 3		S $250 Set of 6
		Q  $100 Set of 3		T $300 Set of 3
Loose side pieces
Many matched sets
Don't forget to click on images to enlarge

Corner Seals 

**  Mazda Rotary Engine Corner seals 67/73 ** 

Factory Mazda parts used 6MM

0820-11-321   $6.50 each new from Mazda

Only one Set of 12 available

Condition: Used  No side seal damage
set of 12 with wire springs - usable  $68.00	0820-11-321 x 12
don't forget to click on images to enlarge

**  Mazda Rotary Engine Corner seals 74/78 NIB** 

Factory New Mazda parts not aftermarket

1011-11-321   $6.50 each new from Mazda

One Set of 12 new available 

Condition: Mazda factory new in bag
one set of 12 (Not pictured)
don't forget to click on images to enlarge

**  Mazda Rotary Engine Corner seals 74/78 ** 

Factory Mazda parts used 3MM solid

1011-11-321   $6.50 each new from Mazda 

only 2 Sets of 12 available 

Condition: Used  No side seal damage
set of 12 with wire springs - usable  $44.00	$44.00
don't forget to click on images to enlarge

**  Mazda Rotary Engine Corner seals 79/85 ** 

Factory Mazda parts used

N225-11-321   $6.50 each new from Mazda

Many Sets of 12 available

Condition: Used  No side seal damage
set of 12 with wire springs - usable   $42.00	N221-11-321 x 12  $62.00
don't forget to click on images to enlarge

Used within factory specification apex and side seals available - inquire

Rear counterweights-

1974 - 1985		13B
RX4 Cosmo RePu RX7
8182-23-103 early 74 no outer oil control ring relief		1-A  1-B  1-C  2-D	No longer available new EMAIL
8182-23-103 late  outer oil control ring relief 75/78 two need bearings		2-C  1-D  1-E	No longer available new EMAIL
N304-23-103 84/85 13B GSL-SE <15,000 miles		$425 15K each C,D	C D

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.

Please make inquires through email- sales@rotaryresponse.com

Rotary Engines

**  FD3S Flow ported US Federal RRR engine ** 

* Reconditioned with - 5 new housings  *

* New Factory Mazda seals o'rings and gaskets *

* RRR Flow ported intake *

* RRR matched ported intake*

Modified Oil system

*  IM240 Compliant * 

Less than 10,000 miles on rebuild

Capable of 435hp

drop in ready

$14,467.00 Complete as shown

(internal USA shipping included until 02/20/2012)

• US Fed computer

• Intake, EFI

• Sequential Turbos

• AP, Alt, AC

• Intake ducting

• Bonez downpipe

• SI radiator hoses

• Duro-blu vacuum tubing

• Factory Mazda NEW engine harness 

Engine only -  $9695.00

Plus Freight shipping

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

*  74/78 for vintage  *  

ported to SP specifications

Street application 1974/1978 RX-3 SP

$Inquire - make offer$

Distributor not included

Distributor not included

Distributor not included

R5 steel plates.

 Carbon apex seals

MDR rotors

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 $575

sales@rotaryresponse.com

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

Like new virtually no wear .02mm on steel housings

Rotor housing like new

$Inquire - Make offer$

All new rotor seals and springs

R5 steel housings - REPU specific porting

Front/rear steel plates .025mm wear

Intermediate housing .03mm

MDR rotors

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 $575

sales@rotaryresponse.com

** Resealed 1987 Mazda 13B TII engine**

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

Needs ECUs

$6295

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 $575

sales@rotaryresponse.com

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contact at sales@rotaryresponse.com

October 12, 2010 18:23:05 -0400