Early Rotary & 1979-85 Mazda RX-7 : Ring & Pinion Differential

Ring and Pinion Gear Set

Ring and Pinion Gear Set :: 4.111 Ratio

The Mazda 4.111 ratio ring and pinion set is suitable use on the following rotary and Miata Applications: RX-2, RX-3 SP, 1979-85 RX-7, and the 1994-01 Miata. Alternate axle ratios are available for special applications. These ratios interchange exactly ...

Part Number: 13001Our Price $680.00 Add to Cart

Ring and Pinion Gear Set

Ring and Pinion Gear Set :: 4.444 Ratio

The Mazda 4.444 ratio ring and pinion set is suitable use on the following rotary and Miata Applications: RX-2, RX-3 SP, 1979-85 RX-7, and the 1994-01 Miata. Alternate axle ratios are available for special applications. These ratios interchange exactly ...

Our Price $680.00 More Information Part Number: 13005

Crush Tube

Crush Tube :: 1971-85 Rotary ALL

We have available the Mazda OEM Crush Tube for all 1971-85 Rotary differentials (1 required). When replacing the pinion in any differential, it is wise to replace the pinion bearings, locknut and seal, and mandatory to change the crush tube. The parts we ...

Part Number: 13512Our Price $12.82 Add to Cart

Differential Side Bearing

Differential Side Bearing :: 71-92 All Non-Turbo

We have available the Mazda OEM Differential Side Bearings for all 1971-92 Rotary (Non-Turbo) differentials. (2 required) Changing from the standard differential to the limited slip differential is a fairly easy job. This modification requires only a few ...

Part Number: 13509Our Price $49.76 Add to Cart

Differential Front Seal

Differential Front Seal :: 1971-82 Rotary All

We have available the Mazda OEM Differential Front Seal for all 1971-82 Rotary differentials. (1 required) When placing the pinion in any differential, it is wise to replace the pinion bearings, locknut and seal, and mandatory to change the crush tube. ...

Part Number: 13513Our Price $11.62 Add to Cart

Differential Front Seal

Differential Front Seal :: 83-85 Rotary ALL

We have available the Mazda OEM Differential Front Seal for all 1983-85 Rotary differentials (1 req.). When replacing the pinion in any differential, it is wise to replace the pinion bearings, locknut and seal, and mandatory to change the crush tube. The ...

Part Number: 13514Our Price $12.68 Add to Cart

Competition Transmission Mount

Competition Transmission Mount :: 79-85 RX-7

We offer the Mazda Competition Parts Department competition transmission mount for the 1979-85 RX-7 (all models). This mount features rubber material that is approximately 40% stiffer than the stock mount. One required.

Part Number: 12050Our Price $70.00 Add to Cart

Front Pinion Bearing

Front Pinion Bearing :: 71-92 Rotary Non-Turbo

We have available the Mazda OEM Front Pinion Bearing for all 1971-92 Rotary (Non-Turbo) differentials (1 required) When replacing the pinion in any differential, it is wise to replace the pinion bearings, locknut, and seal, and mandatory to change the ...

Part Number: 13510Our Price $43.90 Add to Cart

Rear Pinion Bearing

Rear Pinion Bearing :: 71-85 Rotary ALL

We have available the Mazda OEM Rear Pinion Bearing for all 1971-85 Rotary differentials (1 required) When replacing the pinion in any differential, it is wise to replace the pinion bearings, locknut and seal, and mandatory to change the crush tube. The ...

Part Number: 13511Our Price $39.89 Add to Cart

Pinion Lock Nut

Pinion Lock Nut :: 71-95 RX-7 ALL / RX-8

Pinion Lock Nut 1971-85 ALL & 1986-92 Non Turbo - When replacing the pinion in any differential, it is wise to replace the pinion bearings, locknut, and seal, and it is mandatory to change the crush tube. The parts we offer are Mazda OEM Factory parts...

Part Number: 13515Our Price $7.48 Add to Cart


Kaminari Front Air Dam
81-85 RX-7

Kaminari Air Dam for the 1981-85 RX-7 - All models. Kaminari has been producing aero parts and body kits for a wide ...

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Our Price: $295.00

ULTRA Ignition Wires
71-85 12A & 13B

Racing Beat's ULTRA 8mm wire sets for street-application 1971-1985 12A and 13B engines are constructed with zinc-...

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Our Price: $149.00

Power Pulse PR-Extreme RX-7 Muffler - Universal
79-85 RX-7

In response to numerous requests from customers demanding a very low restriction“street capable” muffler, ...

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Our Price: $320.00

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