Tomioka Racing Alternator Pulley - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

This Tomioka Racing Alternator Pulley has been designed to reduce the overall rotational mass of the factory alternator pulley for improved engine response.

Tomioka Racing Alternator Pulley

Highlights

• Made from CNC machined billet lightweight aluminum materials
• Anodized gold finish
• Over 60% lighter than the factory pulley
• Weighs a total of 0.15lbs
• 100% bolt-on

Fine tuning an engine requires modification of every little aspect of the engine, so don't over look the Tomioka Racing Lightweight Alternator Pulley for Subaru BRZ ,Scion FRS and Toyota FT-86! This high quality aluminum pulley help alleviate engine load by reducing the rotational mass of the engine by reducing the alternator pulley weight by over 60%. Factory alternator pulley weight is 0.40LBS (181g) and TR alternator weight is 0.15LBS (794g). Every little bit helps when you are building a faster engine!