Mazda RX8 Underdrive Engine Pulley Kit

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  • Regular price $159.00
SKU: P5027B
Tax included.

Mazda RX8 Underdrive Engine Pulley Kit

Suits: 04-08 Mazda RX8 1.3L 13B-MSP 

  • Pulley kit 3pcs
  • CNC-machined from 6061-T6 forged aluminum
  • TOTAL Weight only 538grams

- Crank pulley
- Water pump pulley 
- Alternator pulley 

These pulleys increase power by reducing the parasitic drag caused by factory accessory pulleys. 

Our lightweight pulleys reduce rotating weight to maximise efficiency, which nets more horsepower at the wheels. 

*All Belts will need to be upgraded. New Belt part number K050316 & K040292


  • Super Light Weight T6061 T-6 Aircraft Grade Billet Aluminum
  • Computer CNC Machined for Precision Balance
  • Computerized CNC Machined from Solid Aluminum for Structural Integrity to Withstand All Level of RPM
  • 5~15 Horsepower Gain
  • Dyno-Tested & Proven on Race Track
  • Consistent Horsepower Gain at All Engine Speed
  • Hard Anodized Techniques are used to Keep the Colour from Fading & Made to Last
  • Performance & Quality Guaranteed
  • Please check rib count on pulleys before purchasing