CLUTCH SLAVE HOSE, 71-80 1.25 THREAD

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  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

  $322.24
  Add to cart
• 

  CLUTCH DISC RACE, ALL ROTARY -82

  Racing Beat Race Clutch Disc, All Rotary up to 82, 4 puck

  The 4-Puck 215mm Race Clutch Disc is designed for drag and road race use with all 1971-82 12A & 13B Applications (except Rotary Pick-Up). The disc incorporates four (4) sintered copper pucks and a rigid hub for quick, positive engagement, greater fatigue resistance, and improved heat dissipation. The sharpened engagement/disengagement characteristics of this disc require careful driver attention – this disc is not intended for street use.

  Time Saving Tip: We strongly recommend replacing the throw-out bearing during any clutch work to ensure trouble free performance. Also, we recommend replacing the transmission front and rear seal kit when re-installing the transmission to reduce the possibility of leakage.

  Safety Note: None of the Racing Beat, Exedy, Mazda OE, or any aftermarket flywheel or clutch replacement components should ever be allowed to exceed 10,500 RPM under any condition. You must use an engine RPM-limiter to prevent excessive RPM. If your engine is capable of exceeding 8,500 RPM you must install a transmission scatter shield or ballistic blanket. Failure to implement the above may result in serious injury or even death.

  Actual disc not shown in photo.

  SKU:

  12521

  $267.75
  Add to cart
• 

  FLYWHEEL STEEL, 74-82 WITHOUT COUNTERWEIGHT

  Flywheel Steel, 74-82 Without Counterweight

  Does NOT include Counterweight!!

  Applications
  Designed to retain enough mass for comfortable standing starts this flywheel is ideal for street use, yet it is sufficiently lighter to afford a noticeable improvement in low speed acceleration and to make shifting much smoother. For street use our lightweight steel flywheel not only allows the engine to accelerate more rapidly, but it also eliminates much of the rubbery feel that occurs at clutch engagement while shifting.  

  Precision Machining
  Precision CNC-machined from high strength steel, our flywheel assembly is mated to the Mazda OEM ring gear, then surfaced hardened using a ferritic carburizing heat-treating process, creating an extremely durable disc wear surface. The ring gear is thermally-mated to the flywheel and bolted in place for added security to prevent slippage during engagement of the starter motor.

  Weight Comparison
  The weight of the stock flywheel is 23 lbs., compared to 13 lbs for this Flywheel. The actual reduction in inertia from stock is much greater than the weights suggest, since the stock flywheel is 1 to 2 inches thick at its outside edge.

  Retaining Critical Engine Balance
  The installation of an aftermarket flywheel requires the use of a Mazda rear counterweight unit to ensure critical balance of the internal rotating assembly (engine rotors). As produced by Mazda, the original stock rotary flywheel features a pronounced balancing mass included in the flywheel casting. This balancing mass, combined with the stock front counterweight unit, provides the correct balance required for the optimal rotational operation of the engine rotors.

  To allow an aftermarket flywheel to be used on several different rotary engine applications, this balancing mass is eliminated from the design of the rotary flywheel. However, this critical balancing mass must be replaced with an alternative balance weight or risk severe engine damage due to an “unbalanced” engine. A convenient alternative is to install an appropriate rear counterweight from an automatic transmission-equipped RX-7. We offers this counterweight separately if needed.

  Rear Counterweight (Required)
  All aftermarket flywheels require the use of an automatic transmission rear counterweight for correct operation.

  Installation Hardware

  Our Flywheel kits include the flywheel unit and the appropriate mounting hardware, which includes the appropriate tensile-strength hardware to attach the pressure plate to the flywheel.  DO NOT use other aftermarket flywheel mounting kits with the our flywheels. 

  We strongly recommend replacing the throwout bearing during any clutch work to ensure trouble free performance. Also, we recommend replacing the transmission front and rear seal kit when re-installing the transmission to reduce the possibility of leakage.

  Safety Warning
  None of the flywheel or clutch components shown in this site should ever be allowed to exceed 10,500 RPM under any condition. This same RPM limit applies to stock components. You must use an engine RPM-limiter to prevent excessive RPM. If your engine is capable of exceeding 8,500 RPM you must install a transmission scatter shield, or ballistic blanket. Failure to implement the above may result in serious injury or even death.

  SKU:

  11436

  $450.00
  Add to cart
• 

  FLYWHEEL RING GEAR, RX7 NON TURBO

  

  Flywheel Ring Gear, RX7 Non Turbo

  SKU:	11-7020-0866
  Manufacturer SKU:	0866-11-702

  $88.09
  Add to cart
• 

  FLYWHEEL HARDWARE, ALUMINUM 74-82

  Aluminum Flywheel Hardware Kit 74-82 (nuts and bolts)

  SKU:

  95178

  $43.36
  Add to cart
• 

  CLUTCH COVER, ALL ROTARY -82

  

  Clutch Cover, All Rotary up to 82
  Stock/Original Equipment

  SKU:	16-410A-1769
  Manufacturer SKU:	1769-16-410A

  $98.54
  Add to cart