1983
Engine
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PULLEY ECCENTRIC, 79-92 2 BELT ALUMINUM
Racing Beat 2 Belt Aluminum Eccentric Pulley, 79-92
O.D.: 3 7/8″
SKU: 11469 -
PULLEY ECCENTRIC, SINGLE BELT ALUMINUM
Racing Beat Aluminum Single Belt Eccentric Pulley 74-92
O.D.: 3 7/32″
SKU: 11473 -
REAR COUNTERWEIGHT 83-85 12A
Rear counterweight for 83-85 12A Engines — they have the “N” on the rotors
These were discontinued by Mazda — We are having them made.
We took a few pair of 83-85 12A rotors, weighed them all for an average, set the bobweights for those weights on a 12A eccentric shaft then we re-balance NEW 13B rear counterweights to match.
SKU: 11-751A-N226-MOD Manufacturer SKU: N226-11-751A-MOD -
REAR COUNTERWEIGHT, —NLA— DUAL PATTERN MAZDA COMPETITION
REAR COUNTERWEIGHT, DUAL PATTERN MAZDA COMPETITION
Sorry, this item has been discontinued by Mazda.
SKU: 01-9152-0000 Manufacturer SKU: 0000-01-9152 -
REAR COUNTERWEIGHT, 13B 74-85
Rear Counterweight, 13B 74-85
SKU: 11-751A-1029 Manufacturer SKU: 1029-11-751A -
REAR MAIN OIL SEAL, ALL UP TO -95
Rear Main Oil Seal, All up to 95
SKU: 10-556A-1668 Manufacturer SKU: 1668-10-556A -
Rotary Engine 3-Window Main Bearing (RACING BEAT)
Rotary Engine 3-Window Main Bearing
Racing Beat offers a replacement 3-Window Rear Main Bearing for the Racing Beat Type I 12A Rear and Type I 13B Rear Special-Deep Grooved stationary gears. This Mazda-OEM bearing is modified by Racing Beat to allow greater lubrication to the bearing when combined with a special Racing Beat-modified “deep groove” stationary gear.
SKU: 11114 -
ROTARY ENGINE ROTOR BEARING 74 -92 & 3 ROTOR
Rotary Engine Rotor Bearing 74 -92 & 3 Rotor
Also RX8 Auto
Browse our 3 Rotor Engine Parts Catagory.
SKU: 11-1110-1011 Manufacturer SKU: 1011-11-111 -
ROTARY ENGINE ROTOR BEARING, RACE (COMP)
Rotary Engine Rotor Bearing, Race (Competition)
SKU: 11-1110-4801 Manufacturer SKU: 4801-11-111 -
ROTOR 12A 83-85 FRONT—NLA—
ROTOR 12A 83-85 FRONT
Sorry, this item has been discontinued by Mazda.
Note: The image is a generic used one from around our shopWeight: 9.6 lbs
Compression: 9.4These FRONT rotors have an “F” on it for front, and the “N” tells you it is an 83-85 one.
SKU: 23-1030-N225 Manufacturer SKU: N225-23-103 -
ROTOR 12A 83-85 REAR —NLA—
ROTOR 12A 83-85 REAR
Sorry, this item has been discontinued by Mazda.
Note: The image is a generic used one from around our shopWeight: 9.6 lbs
Compression: 9.4These REAR rotors have an “R” on it for rear, and the “N” tells you it is an 83-85 one.
SKU: 23-1130-N225 Manufacturer SKU: N225-23-113 -
ROTOR HOUSING 12A 74-85
ROTOR HOUSING 12A 74-85
MAZDA discontinued all 12A rotor housings. These are actually 13B housings we have machined down to 12A width and the water seal grooves cut in.
SPECIAL ORDER – 3-5 weeks to make.SKU: 10-100MZ-N249 Manufacturer SKU: N249-10-100MZ -
ROTOR HOUSING, —NLA— 12A 83-85
ROTOR HOUSING, 12A 83-85
Sorry, this item has been discontinued by Mazda.
SKU: 10-1000-N249 Manufacturer SKU: N249-10-100 -
ROTOR KIT, 12A 74-85
ROTOR KIT, 12A 74-85
All parts that go on the rotors — for a 2 rotor engine.
Includes the following parts:
6 Apex Seal N201-11-300B
6 Apex Seal Spring 1011-11-304B
4 Rotor Oil Seal Pair N3Z1-11-S10A
4 Rotor Side Oil Seal 1202-11-343
4 Rotor Side Oil Seal 0820-11-341
12 Corner Seal N225-11-321
12 Corner Seal Rubber N201-11-322
12 Corner Seal Spring NF01-11-C24
2 Side Oil Seal Spring N225-11-351
2 Side Oil Seal Spring 1011-11-353A
2 Side Oil Seal Spring N225-11-361
2 Side Oil Seal Spring 1011-11-363A
12 Side Seal Spring 0820-11-317
12 Side Seal 1011-23-151APicture of product is a generic picture.
SKU: MZTX-12-ROTOR -
ROTOR SIDE OIL SEAL PAIR, 79-11 INCLUDING RX8
Rotor Oil Seal Pair, 79-11 Including RX8
This is one PAIR of Oil Control Rings for all engines. Four pair are needed per 2-rotor engine and six pair for 3-rotor engines.Browse our 3 Rotor Engine Parts Catagory.
SKU: 11-S10A-N3Z1 Manufacturer SKU: N3Z1-11-S10A -
ROTOR SIDE OIL SEAL, 70-95 O-RING LARGE
Rotor Side Oil Seal, 70-95 Large O-Ring
Side Oil Control Ring O-Ring, Large for Outer Rings, for all through 95.
Four needed for a 2-Rotor engine, six for a 20BBrowse our 3 Rotor Engine Parts Catagory.
SKU: 11-3430-1202 Manufacturer SKU: 1202-11-343 -
ROTOR SIDE OIL SEAL, 74-95 O-RING SMALL
Oil Control Ring O-Ring, Inner Small for all 70-95
SKU: 11-3410-0820 Manufacturer SKU: 0820-11-341 -
SEAL WATER INNER, 74-85 (ORANGE)
Water Seal Inner, 74-85 (Orange) each.
We recommend you purchase the complete O-Ring Kit 1757-23-040BSKU: 10-171A-1757 Manufacturer SKU: 1757-10-171A -
SEAL WATER OUTER, 74-85 (BLACK)
Outer Water Seal, 74-85 (Black)
We recommend you use the complete O-Ring Set 1757-23-040BSKU: 10-1720-1480 Manufacturer SKU: 1480-10-172 -
Side Oil Seal Spring, 74-95 Front Inner
Side Oil Seal Spring – Front, Inner for all through 95 including 20B’s
Browse our 3 Rotor Engine Parts Catagory.
SKU: 11-3510-N225 Manufacturer SKU: N225-11-351