Lightweight Aluminium Alternator Pulley MX-5 NA/NB
ProDrive s.r.o.
Product information "Lightweight Aluminium Alternator Pulley MX-5 NA/NB"
The aluminum alternator pulley is the perfect choice whether you’re looking for a bit more shine and style under the bonnet, or chasing performance gains through reduced rotating engine mass.
Options
- Aluminum, uncoated – classic and minimalist
- Aluminum, slip-resistant anodized – premium look with added grip
Benefits
- Significantly lighter than OEM:
- Our pulley weighs only 62 g
- OEM stamped steel pulley: approx. 150 g → Less rotating mass means:
- Improved throttle response
- Faster engine rev-up
- Cleaner deceleration when lifting off the throttle
- Direct replacement:
- Same dimensions as OEM
- Outer diameter: 59 mm (edge), 5 mm (ribs)
- Shaft bore: 17 mm
- No modifications required
- Alternator speed (charging) remains unchanged
Fitment
- Mazda MX-5 NA (Mk1) 1.8 with ribbed alternator belt
- Mazda MX-5 NB (Mk2) and NBFL (Mk2.5) with ribbed alternator belt
Features
- High-quality aluminum – lightweight and durable
- Precisely machined for perfect fitment
- Motorsport-proven and street-ready
Included in delivery:
- 1x Aluminum alternator pulley (uncoated or anodized, depending on selection)