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1986-92 13B Rebuild Parts

The following parts are recommended for all 1986-92 13B rebuilds..

The parts in the top blue section may be ordered as one part number K-8688-3B-STK. Parts need to be ordered individually if ordering ceramic apex seals. We do not sell 2mm carbon apex seals.

DESCRIPTION PART NUMBER QTY NOTES
APEX SEAL - STOCK N351-11-C00C 6 Click here for optional Apex Seals & Springs
APEX SPRING - INNER N326-11-C04A 6  
APEX SPRING - OUTER N326-11-C06C 6  
CORNER SEAL N326-11-C20A 12 Includes rubber plug (N326-11-C22A)
CORNER SEAL SPRING NF01-11-C24 12 Washer type from 3rd gen RX-7
SIDE SEAL N3Y1-11-C11 12  
SIDE SEAL SPRING N326-11-C17 12  
OIL SEAL SET (STEEL) N3Z1-11-S10A 4 1 set is 1 inner and 1 outer. Needs 4 sets per engine.
O-RING - OIL SEAL OUTER 0820-11-341 4 Green
O-RING - OIL SEAL INNER 1202-11-343 4 Green - do not use 8341-11-343 black o-rings.
SPRING - OIL SEAL FRONT INNER N225-11-351 2  
SPRING - OIL SEAL REAR INNER N225-11-361 2  
SPRING - OIL SEAL FRONT OUTER 4352-11-353 2 Competition part. Heavy-duty spring provides increased pressure
SPRING - OIL SEAL REAR OUTER 4352-11-363 2 Competition part. Heavy-duty spring provides increased pressure
ENGINE GASKET SET 8DF1-10-271A 1 86-88 GASKET SET If intake and exhaust gaskets don't matter, then this is the set to use, even for 89-92. 89-92 N/A and all 87-92 Turbo kits are no longer available.
MAIN SEAL, FRONT 0820-10-605 1  
MAIN SEAL, REAR 1668-10-556A 1  
PILOT BEARING N326-11-D03 1  
PILOT BEARING SEAL 1881-11-404A 1  
       
OPTIONAL INSTALLS
DESCRIPTION PART NUMBER QTY NOTES
APEX SEAL - CERAMIC 1 PC 2mm 0000-01-9103 2 Comes with precut dual apex seal springs. 3 seals per box.
APEX SEAL - CERAMIC 2PC 2mm 0000-01-9113 2 Comes with precut dual apex seal springs. 3 seals per box.
APEX SEAL - CERAMIC 1PC 3mm 0000-01-9105 2 Comes with precut dual apex seal springs. 3 seals per box.
APEX SEAL - CERAMIC 2PC 3mm 0000-01-9115 2 Comes with precut dual apex seal springs. 3 seals per box.
We do not carry 2mm carbon apex seals    
ROTOR BEARINGS - STOCK N3A1-11-B11 2 3.0mm (-0.005 to -0.010)
  N3A2-11-B11 2 3.0mm (0.00 to -0.005)
  N3A3-11-B11 2 3.0mm (+0.005 to 0.000)
ROTOR BEARINGS - COMPETITION 4801-11-111 2 Competition bearings have 0.01 inch deeper oil groove and provide 0.0005 inch more clearance than stock bearings. Thinner overlay material improves bearing service life.

 

      
MAIN BEARINGS - STOCK 0820-10-502B 2  
MAIN BEARING - COMPETITION REAR 4801-10-502 1 Use in place of stock rear bearing. 3-window type. Recommended for any engine used at 8000 rpm and above. Increases oil flow to the inside of eccentric shaft and to rotors.
       
ECCENTRIC SHAFT N326-11-D00C 1 Stock
COUNTERWEIGHT - REAR N351-11-521 1 From A/T for use with lightened flywheels
       
ROTOR HOUSINGS      
Front N326-10-B10   86-88 N/T
Rear N326-10-B50C   86-88 N/T
Front N332-10-B10   87-88 TURBO
Rear N332-10-B50B   87-88 TURBO
Front N350-10-B10A   89-92 N/T
Rear N350-10-B50A   89-92 N/T
Front N318-10-B10A   89-91 TURBO
Rear N318-10-B50C   89-91 TURBO
       
 Search online catalog for intermediate housings.     

 

 

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