Go Fast Bits GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Aluminum Water Pump Pulley - 2223 $125.00 $112.50 It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...
Perrin Performance Perrin 15-18 Subaru WRX / 13-20 BRZ / 14-18 Forester XT FA/FBCrank Pulley - Blue - PSP-ENG-101BL $128.00 $108.80 Perrin 15-18 Subaru WRX / 13-20 BRZ / 14-18 Forester XT FA/FBCrank Pulley - Blue
Perrin Performance Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue (w/AC) - PSP-ENG-100BL $128.00 $108.80 Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue Add to Cart