View our April Specials! Coupon Code: SaveIn2024
Fluidampr Harmonic Balancer Sale
X
Vehicle Set: Click here to shop All Subaru WRX STI parts.

Subaru WRX STI Pulleys - Crank, Underdrive

Looking for aftermarket parts to modify or upgrade your Subaru WRX STI with pulleys - crank, underdrive? At Tunersports.com we carry a huge selection of the top name brand performance pulleys - crank, underdrive parts and accessories for your WRX STI.

Whether you have a 2015 or 2020 Subaru WRX STI in Base to Type RA trim we have you covered. We have 8 pulleys - crank, underdrive available to mod your WRX STI. All parts have free shipping to the Continental US 48 States.

All WRX STI Pulleys - Crank, Underdrive Parts:

Only show in-stock parts

Gates Idler Pulleys

Gates
Gates Idler Pulleys T42024
OUT OF STOCK
T42024
Gates Subaru EJ20 2.0L EJ25 2.5L Cam Idler Sprocket
2015-2015 Subaru WRX STI Base / Launch Edition / Limited
$89.66

Gates Timing Idler Pulley

Gates
Gates Timing Idler Pulley T41239
OUT OF STOCK
T41239
Gates Subaru EJ20 2.0L EJ25 2.5L Right Hand Cam Timing Idler Pulley
2015-2015 Subaru WRX STI Base / Launch Edition / Limited
$67.16
Gates Timing Idler Pulley T42194
OUT OF STOCK
T42194
Gates Subaru EJ20 2.0L EJ25 2.5L Lower & Upper Left Cam Timing Idler Pulley 2 Required
2015-2015 Subaru WRX STI Base / Launch Edition / Limited
$87.81

Go Fast Bits Pulley Kits

Go Fast Bits
Go Fast Bits Pulley Kits 2014
IN STOCK
2014
GO FASTER ? ADD LIGHTNESS. GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine....
GFB 08+ WRX/STi / 09+ Forester / 03-09 LGT 3 pc Underdrive/Non-Underdrive Pulley Kit
2015-2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
2018-2018 Subaru WRX STI Type RA
2020-2020 Subaru WRX STI S209
$315.00
Details

Go Fast Bits Pulleys

Go Fast Bits
Go Fast Bits Pulleys 2009
IN STOCK - DROPSHIPS
2009
GO FASTER ? ADD LIGHTNESS. GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine....
GFB 02-10+ WRX/STI Crank Pulley (Not Under-Drive)
2015-2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
2018-2018 Subaru WRX STI Type RA
2020-2020 Subaru WRX STI S209
$154.80
Details

Torque Solution Alternator Pulleys

Torque Solution
Torque Solution Alternator Pulleys TS-SU-440BK-K
IN STOCK - LOW
TS-SU-440BK-K
Torque Solution Reversed Intake Manifold Alternator Relocation Bracket Kit: 02-14 Subaru WRX
2015-2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
$144.83
Details

Torque Solution Crank Pulleys

Torque Solution
Torque Solution Crank Pulleys TS-SU-207A
OUT OF STOCK
TS-SU-207A
Torque Solution Lightweight Crank Pulley: Subaru Impreza/WRX/STi/Legacy/Forester
2015-2015 Subaru WRX STI Launch Edition
2015-2017 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
$98.99
Torque Solution Crank Pulleys TS-SU-207b
OUT OF STOCK
TS-SU-207b
Torque Solution Lightweight Crank Pulley & Install Kit: Subaru Impreza 08-11/ WRX & STi 2008+
2015-2015 Subaru WRX STI Launch Edition
2015-2017 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
$131.99