Pulleys - Crank, Underdrive

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ATI Pulley - Supercharger - 9.00 - 8 Grv - 2014+ LT1 LT4 Dry Sump 10 Percent OD
8% off
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Low stock

ATI

ATI Pulley - Supercharger - 9.00 - 8 Grv - 2014+ LT1 LT4 Dry Sump 10 Percent OD

MPN: ATI916163-10
$238.40
$260.50
ATI Pulley - Supercharger - 8.46 - 8 Grv - 09-15 - CTS-V LSA - 5 Percent OD
9% off
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Low stock

ATI

ATI Pulley - Supercharger - 8.46 - 8 Grv - 09-15 - CTS-V LSA - 5 Percent OD

MPN: ATI916105
$201.92
$221.12
Alta Mini Cooper Lightened Crank Pulley
15% off
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Alta

Alta Mini Cooper Lightened Crank Pulley

MPN: AMP-ENG-500
$124.95
$147.00
Perrin 93+ Impreza (WRX/STi) Crank Pulley - Red (w/AC)
15% off
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Perrin Performance

Perrin 93+ Impreza (WRX/STi) Crank Pulley - Red (w/AC)

MPN: PSP-ENG-100RD
$114.75
$135.00
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Black
15% off
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Black
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Black

Perrin Performance

Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Black

MPN: PSP-ENG-121BK
$49.30
$58.00
Perrin 2022 BRZ/86 / 19-22 Subaru WRX Lightweight Crank Pulley (FA/FB Eng w/Small Hub) - Black
15% off
Perrin 2022 BRZ/86 / 19-22 Subaru WRX Lightweight Crank Pulley (FA/FB Eng w/Small Hub) - Black
Perrin 2022 BRZ/86 / 19-22 Subaru WRX Lightweight Crank Pulley (FA/FB Eng w/Small Hub) - Black

Perrin Performance

Perrin 2022 BRZ/86 / 19-22 Subaru WRX Lightweight Crank Pulley (FA/FB Eng w/Small Hub) - Black

MPN: PSP-ENG-106BK
$169.15
$199.00
Perrin (WRX/STi) EJ Engines (w/o AC) Crank Pulley - Black
15% off
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Low stock

Perrin Performance

Perrin (WRX/STi) EJ Engines (w/o AC) Crank Pulley - Black

MPN: PSP-ENG-102BK
$114.75
$135.00
Perrin 13 Subaru BRZ / 13 Scion FR-S / 12-13 Subaru Impreza Crank Pulley - Black
15% off
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Perrin Performance

Perrin 13 Subaru BRZ / 13 Scion FR-S / 12-13 Subaru Impreza Crank Pulley - Black

MPN: PSP-ENG-101BK
$114.75
$135.00
ATI Pulley - Supercharger - 9.77 - 10 Grv - 09-15 - CTS-V LSA - 25 Percent OD
4% off
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Low stock

ATI

ATI Pulley - Supercharger - 9.77 - 10 Grv - 09-15 - CTS-V LSA - 25 Percent OD

MPN: ATI916159
$201.92
$210.59
ATI Pulley - Supercharger - 8.86 - 8 Grv - 09-15 - CTS-V LSA - 10 Percent OD
9% off
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Low stock

ATI

ATI Pulley - Supercharger - 8.86 - 8 Grv - 09-15 - CTS-V LSA - 10 Percent OD

MPN: ATI916106
$201.92
$221.12
Alta Mini Cooper S Version 2.0 17% Super Charger Pulley
Sold out
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Low stock

Alta

Alta Mini Cooper S Version 2.0 17% Super Charger Pulley

MPN: AMP-ENG-205V2
$118.15
$139.00
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Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Red
15% off
Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Red
Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Red

Perrin Performance

Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Red

MPN: PSP-ENG-118RD
$49.30
$58.00
Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Black
15% off
Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Black
Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Black

Perrin Performance

Perrin 04-06 Subaru WRX STI EJ Engines Alternator Pulley - Black

MPN: PSP-ENG-118BK
$49.30
$58.00
Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue (w/AC)
15% off
Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue (w/AC)
Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue (w/AC)

Perrin Performance

Perrin 93-11 Subaru Impreza / 02-14 WRX / 04-21 STI EJ Crank Pulley - Blue (w/AC)

MPN: PSP-ENG-100BL
$114.75
$135.00
Perrin 93+ Impreza (WRX/STi) Crank Pulley - Black (w/AC)
15% off
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Perrin Performance

Perrin 93+ Impreza (WRX/STi) Crank Pulley - Black (w/AC)

MPN: PSP-ENG-100BK
$114.75
$135.00
Perrin 2022 BRZ/GR86 Alternator Pulley (FA/FB Engines) - Red
15% off
Perrin 2022 BRZ/GR86 Alternator Pulley (FA/FB Engines) - Red
Low stock

Perrin Performance

Perrin 2022 BRZ/GR86 Alternator Pulley (FA/FB Engines) - Red

MPN: PSP-ENG-122RD
$49.30
$58.00
Perrin 15-22 Subaru WRX/Crosstrek / 14-18 FXT Alternator Pulley - Red
15% off
Perrin 15-22 Subaru WRX/Crosstrek / 14-18 FXT Alternator Pulley - Red
Perrin 15-22 Subaru WRX/Crosstrek / 14-18 FXT Alternator Pulley - Red

Perrin Performance

Perrin 15-22 Subaru WRX/Crosstrek / 14-18 FXT Alternator Pulley - Red

MPN: PSP-ENG-121RD
$49.30
$58.00
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Blue
15% off
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Blue
Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Blue

Perrin Performance

Perrin 15-22 Subaru WRX / 14-18 FXT Alternator Pulley - Blue

MPN: PSP-ENG-121BL
$49.30
$58.00
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Blue
15% off
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Blue
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Blue
Low stock

Perrin Performance

Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Blue

MPN: PSP-ENG-119BL
$49.30
$58.00
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Black
15% off
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Black
Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Black

Perrin Performance

Perrin 07-21 Subaru WRX STI EJ Engines Alternator Pulley - Black

MPN: PSP-ENG-119BK
$49.30
$58.00
Perrin 2022 Subaru BRZ/GR86 Water Pump Pulley - Red
15% off
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Low stock

Perrin Performance

Perrin 2022 Subaru BRZ/GR86 Water Pump Pulley - Red

MPN: PSP-ENG-113RD
$99.45
$117.00
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Red
15% off
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Red
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Red
Low stock

Perrin Performance

Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Red

MPN: PSP-ENG-112RD
$99.45
$117.00
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Black
15% off
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Black
Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Black

Perrin Performance

Perrin 15-22 Subaru WRX / 14-18 FXT / 18-21 Crosstrek Lightweight Water Pump Pulley - Black

MPN: PSP-ENG-112BK
$99.45
$117.00
Perrin 15-21 Subaru WRX Lightweight Water Pump Pulley - Red
15% off
Perrin 15-21 Subaru WRX Lightweight Water Pump Pulley - Red
Perrin 15-21 Subaru WRX Lightweight Water Pump Pulley - Red

Perrin Performance

Perrin 15-21 Subaru WRX Lightweight Water Pump Pulley - Red

MPN: PSP-ENG-111RD
$99.45
$117.00

Pulleys - Crank, Underdrive crank pulleys are designed to reduce parasitic power loss from the engine by slowing down the operation of engine accessories. This can provide horsepower gains and improve throttle response, while maintaining functionality of the charging system.  Choosing underdrive pulleys requires considering the specific power needs of your vehicle and electrical system.