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74-88 13B
74-88 13B Stationary Gears
Sort by:Recommended
69-95 Rx7 Rear Main Seal (1668-10-556A)
This seal was used up until the 95 Rx7, after that they switched to the brown rear main seal for the Rx8.
Both seals will work fine, this one just costs more.
72-02 Rx7 Rear Stationary Gear O-Ring (0813-10-555A)
72-02 Rx7 Rear Gear O-Ring, fits all 12A/13B/20B engines.
74-88 13B Rx7 Rear Stationary Gear & Bearing (3648-10-550A) - NLA
Out of stockNo Longer Available.
Fits all 74-88 13B rotary applications.
Includes main gear bearing (0820-10-502B) and rear main seal, both installed.
74-88 13B Rx7 Front Stationary Gear & Bearing (3648-10-500)
74-88 13B Front Stationary Gear.
Includes new installed main bearing.
76-91 13B Rx7 Front Type I Hardened Stationary Gear (10013) - NLA
Out of stockOur Racing Beat Type I Modified 13B Front Stationary Gears are strongly recommended for engines which are regularly running near or above 8,500 RPM. These gears have had several machining modifications performed, as well as heat-treating of the teeth to improve fatigue resistance and yield strength.
Includes new stock bearing.
74-91 Rx7 13B Rear Type I Hardened Stationary Gear (10015) - NLA
Out of stockNo Longer Available.
Our Racing Beat Type I Modified 13B Rear (Special-Grooved) Stationary Gears are strongly recommended for engines which are regularly running near or above 8,500 RPM. These gears have had several machining modifications performed, as well as heat-treating of the teeth to improve fatigue resistance and yield strength.
Includes a 3 Window Main Bearing.
69-11 Rotary Front & Rear Main Seal (ARE81.5)
Fits all rotary engines.
If you prefer the orange rear main seal, then this is the kit you want.
86-11 Rx7 & Rx8 Front Stationary Gear Roll Pin (9922-20-612)
Fits:
- 86-95 Rx7
- 04-11 Rx8
Dowel pin on the back of the front main gear.
These are no longer available from Mazda, so we have sourced them aftermarket, but they work just fine.
They are a spring pin and by design need to be compressed to go in the hole.
You might have better luck installing them by smashing them a bit in a vise first.
74-11 Rx7 & Rx8 Front Stationary Gear Bolt (9080-12-825)
Bolts the front gear to the front cast iron.
Six of these bolts per front stationary gear.
74-11 Rx7 & Rx8 Rear Stationary Gear Bolt (9078-12-820)
Six per rear stationary gear.
Also fits 90-95 Cosmo.
76-91 13B Rx7 Front Type II Hardened Stationary Gear (10016)
Out of stockType II Modified Stationary Gears are based on the 93-95 Rx7 Front gears, with the same Racing Beat modifications found on the Type I Stationary Gears, and are intended for 13B engines only. Additionally, the Type II modified gears include gas nitriding and screw lock bearings, a machined step to accommodate the large diameter thrust bearings and related compenents, and an improved bearing with a matching oil groove.
These are no longer available from Racing Beat, but we have some left.