Engine Builds
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![Perrien Performance Jack Pad Set (5pc) - Black [Universal] - JDMuscleTools and AccessoriesperPSP-BDY-040BK](//jdmuscleusa.com/cdn/shop/files/perrien-performance-jack-pad-set-5pc-black-universal-2951141.jpg?v=1770321262&width=220)
![Perrien Performance Jack Pad Set (5pc) - Black [Universal] - JDMuscleTools and AccessoriesperPSP-BDY-040BK](//jdmuscleusa.com/cdn/shop/files/perrien-performance-jack-pad-set-5pc-black-universal-5149745.jpg?v=1770321262&width=220)
Up to $17.55 off
In StockPerrien Performance Jack Pad Set (5pc) - Black
Fits: Universal
Regular price $99.45Sale price $99.45 Regular priceUnit price per$117.00 -
![Perrin [22 - 26 WRX] Diverter Valve - Red - JDMuscleValvesperPSP-TAC-616RD](//jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-diverter-valve-red-7420035.jpg?v=1770327579&width=220)
![Perrin [22 - 26 WRX] Diverter Valve - Red - JDMuscleValvesperPSP-TAC-616RD](//jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-diverter-valve-red-2727854.jpg?v=1770327579&width=220)
Up to $29.55 off
In StockPerrin Diverter Valve - Red
Fits: 22-26 WRX
Regular price $167.45Sale price $167.45 Regular priceUnit price per$197.00 -
![Go Fast Bits [22 - 26 WRX] DV+ Diverter Valve w/ Integrated Solenoid Black - JDMuscleValvesgfbT9383](//jdmuscleusa.com/cdn/shop/files/go-fast-bits-22-26-wrx-dv-diverter-valve-w-integrated-solenoid-black-8521333.jpg?v=1770327641&width=220)
![Go Fast Bits [22 - 26 WRX] DV+ Diverter Valve w/ Integrated Solenoid Black - JDMuscleValvesgfbT9383](//jdmuscleusa.com/cdn/shop/files/go-fast-bits-22-26-wrx-dv-diverter-valve-w-integrated-solenoid-black-1938877.jpg?v=1770327641&width=220)
Up to $28.05 off
In StockGo Fast Bits DV+ Diverter Valve w/ Integrated Solenoid Black
Fits: 22-26 WRX
Only 10 leftRegular price $252.45Sale price $252.45 Regular priceUnit price per$280.50 -
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](//jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023.jpg?v=1614517904&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](//jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023-2.jpg?v=1614675514&width=220)
In StockGrimmSpeed Blow Off Valve Flange Gasket | 020023
Fits: 02-07 WRX, 04-21 STI
Regular price $14.00Sale price $14.00 Regular priceUnit price per$14.00 -
![Perrin [02-25 WRX, 04-21 STI] Crank Pulley | PSP-ENG-101](//jdmuscleusa.com/cdn/shop/products/perrin-crank-pulley-wrx-2015-2018-scion-fr-s-2013-2016-subaru-brz-2013-2018-impreza-2012-2013-crosstrek-psp-eng-101bk-psp-eng-101rd-pulleys-perrin-performance.jpg?v=1737769429&width=220)
![Perrin [02-25 WRX, 04-21 STI] Crank Pulley | PSP-ENG-101](//jdmuscleusa.com/cdn/shop/products/perrin-crank-pulley-wrx-2015-2018-scion-fr-s-2013-2016-subaru-brz-2013-2018-impreza-2012-2013-crosstrek-psp-eng-101bk-psp-eng-101rd-pulleys-perrin-performance-black-papsp-eng-101bk-2.jpg?v=1737769429&width=220)
Up to $32.40 off
In StockPerrin Crank Pulley
Fits: 02-26 WRX, 04-21 STI
Regular price From $124.95Sale price From $124.95 Regular priceUnit price per$147.00 -
Up to $85.22 off
In StockFluidampr Balanced Damper
Fits: 02-14 WRX, 04-21 STI
Regular price $482.92Sale price $482.92 Regular priceUnit price per$568.14 -
Up to $10.53 off
In StockARP Head Studs 11mm Subaru Turbo Models | 260-4701
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $293.00Sale price $293.00 Regular priceUnit price per$303.53 -
![Perrin Performance [15 - 25 Subaru Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] Pulley Cover | Short Version - Works w/AOS System - Red - JDMusclePulleysperPSP-ENG-154RD](//jdmuscleusa.com/cdn/shop/products/perrin-performance-15-25-subaru-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-pulley-cover-short-version-works-waos-system-red-1290110.jpg?v=1770327155&width=220)
![Perrin Performance [15 - 25 Subaru Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] Pulley Cover | Short Version - Works w/AOS System - Red - JDMusclePulleysperPSP-ENG-154RD](//jdmuscleusa.com/cdn/shop/products/perrin-performance-15-25-subaru-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-pulley-cover-short-version-works-waos-system-red-5201374.jpg?v=1770327155&width=220)
Up to $14.55 off
In StockPerrin Performance Pulley Cover | Short Version - Works w/AOS System - Red
Fits: 15-25 Subaru Impreza, 18-25 Crosstrek, 20-25 Legacy, 22-25 WRX and Outback
Only 8 leftRegular price $82.45Sale price $82.45 Regular priceUnit price per$97.00 -
![Perrin Performance Pulley Cover | Short Version - Works w/AOS System - Neon Yellow [15 - 25 Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] - JDMusclePulleysperPSP-ENG-154NY](//jdmuscleusa.com/cdn/shop/products/perrin-performance-pulley-cover-short-version-works-waos-system-neon-yellow-15-25-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-9922307.jpg?v=1770327155&width=220)
![Perrin Performance Pulley Cover | Short Version - Works w/AOS System - Neon Yellow [15 - 25 Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] - JDMusclePulleysperPSP-ENG-154NY](//jdmuscleusa.com/cdn/shop/products/perrin-performance-pulley-cover-short-version-works-waos-system-neon-yellow-15-25-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-2057112.jpg?v=1770327155&width=220)
Up to $15.75 off
In StockPerrin Performance Pulley Cover - Short Version - Works w/AOS System - Neon Yellow
Fits: 22-25 WRX/Outback, 15-25 Impreza, 18-25 Crosstrek, 20-25 Legacy
Only 8 leftRegular price $89.25Sale price $89.25 Regular priceUnit price per$105.00 -
Up to $14.05 off
In StockMishimoto Cooling System Pressure Tester / Vacuum Purge Kit 28pc Universal | MMTL-CPT-28
Only 10 leftRegular price $141.95Sale price $141.95 Regular priceUnit price per$156.00 -
![Perrin [22 - 26 WRX] FA/FB Alternator Pulley Black | PSP - ENG - 121BK - JDMusclePulleysperPSP-ENG-121BK](//jdmuscleusa.com/cdn/shop/products/perrin-22-26-wrx-fafb-alternator-pulley-black-psp-eng-121bk-2259997.jpg?v=1770330199&width=220)
![Perrin [22 - 26 WRX] FA/FB Alternator Pulley Black | PSP - ENG - 121BK - JDMusclePulleysperPSP-ENG-121BK](//jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-fafb-alternator-pulley-black-psp-eng-121bk-4977898.jpg?v=1770330199&width=220)
Up to $9.15 off
In StockPerrin FA/FB Alternator Pulley Black | PSP-ENG-121BK
Fits: 22-26 WRX
Only 8 leftRegular price $51.85Sale price $51.85 Regular priceUnit price per$61.00 -
Gates Micro-V Belt Alternator & Power Steering Belt
Fits: 02-14 WRX, 04-21 STI
Regular price $32.00Sale price $32.00 Regular priceUnit price per$32.00 -
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](//jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-7733264.jpg?v=1770322212&width=220)
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](//jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-4083617.png?v=1770322212&width=220)
HKS Fine Tune V-Belt/ Serpentine Belt | 24996-AK035
Fits: 15-21 WRX
Regular price $76.00Sale price $76.00 Regular priceUnit price per$76.00 -
In StockGrimmspeed 04-21 STI / 02-07 WRX V2 Bypass Valve Black | 126032BLK
Regular price $352.00Sale price $352.00 Regular priceUnit price per$352.00 -
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-5015025.jpg?v=1770329775&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-4264246.jpg?v=1770329775&width=220)
Up to $18.45 off
In StockPerrin Lightweight Water Pump Pulley Black | PSP-ENG-111BK
Fits: 15-21 WRX, 14-18 Forester, 18-20 Crosstrek, 17-22 Impreza
Only 11 leftRegular price $104.55Sale price $104.55 Regular priceUnit price per$123.00 -
![Perrin [22 - 25 WRX, 19 - 22 Forester, 20 - 22 Legacy, 21 - 22 Crosstrek] Water Pump Pulley Red | PSP - ENG - 112RD - JDMusclePulleysperPSP-ENG-112RD](//jdmuscleusa.com/cdn/shop/products/perrin-22-25-wrx-19-22-forester-20-22-legacy-21-22-crosstrek-water-pump-pulley-red-psp-eng-112rd-2674628.jpg?v=1770334523&width=220)
![Perrin [22 - 25 WRX, 19 - 22 Forester, 20 - 22 Legacy, 21 - 22 Crosstrek] Water Pump Pulley Red | PSP - ENG - 112RD - JDMusclePulleysperPSP-ENG-112RD](//jdmuscleusa.com/cdn/shop/products/perrin-22-25-wrx-19-22-forester-20-22-legacy-21-22-crosstrek-water-pump-pulley-red-psp-eng-112rd-5603378.jpg?v=1770334523&width=220)
Up to $18.45 off
In StockPerrin Water Pump Pulley Red
Fits: 22-25 WRX, 19-22 Forester, 20-22 Legacy, 21-22 Crosstrek
Only 5 leftRegular price $104.55Sale price $104.55 Regular priceUnit price per$123.00
![Perrien Performance Jack Pad Set (5pc) - Black [Universal] - JDMuscleTools and AccessoriesperPSP-BDY-040BK](http://jdmuscleusa.com/cdn/shop/files/perrien-performance-jack-pad-set-5pc-black-universal-2951141.jpg?v=1770321262&width=220)
![Perrien Performance Jack Pad Set (5pc) - Black [Universal] - JDMuscleTools and AccessoriesperPSP-BDY-040BK](http://jdmuscleusa.com/cdn/shop/files/perrien-performance-jack-pad-set-5pc-black-universal-5149745.jpg?v=1770321262&width=220)
![Perrin [22 - 26 WRX] Diverter Valve - Red - JDMuscleValvesperPSP-TAC-616RD](http://jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-diverter-valve-red-7420035.jpg?v=1770327579&width=220)
![Perrin [22 - 26 WRX] Diverter Valve - Red - JDMuscleValvesperPSP-TAC-616RD](http://jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-diverter-valve-red-2727854.jpg?v=1770327579&width=220)
![Go Fast Bits [22 - 26 WRX] DV+ Diverter Valve w/ Integrated Solenoid Black - JDMuscleValvesgfbT9383](http://jdmuscleusa.com/cdn/shop/files/go-fast-bits-22-26-wrx-dv-diverter-valve-w-integrated-solenoid-black-8521333.jpg?v=1770327641&width=220)
![Go Fast Bits [22 - 26 WRX] DV+ Diverter Valve w/ Integrated Solenoid Black - JDMuscleValvesgfbT9383](http://jdmuscleusa.com/cdn/shop/files/go-fast-bits-22-26-wrx-dv-diverter-valve-w-integrated-solenoid-black-1938877.jpg?v=1770327641&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023.jpg?v=1614517904&width=220)
![GrimmSpeed [02-07 WRX, 04-21 STI] Blow Off Valve Flange Gasket | 020023](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-intercooler-bov-gasket-wrx-2002-2005-sti-2004-2020-020023-gaskets-grimmspeed-grm020023-2.jpg?v=1614675514&width=220)
![Perrin [02-25 WRX, 04-21 STI] Crank Pulley | PSP-ENG-101](http://jdmuscleusa.com/cdn/shop/products/perrin-crank-pulley-wrx-2015-2018-scion-fr-s-2013-2016-subaru-brz-2013-2018-impreza-2012-2013-crosstrek-psp-eng-101bk-psp-eng-101rd-pulleys-perrin-performance.jpg?v=1737769429&width=220)
![Perrin [02-25 WRX, 04-21 STI] Crank Pulley | PSP-ENG-101](http://jdmuscleusa.com/cdn/shop/products/perrin-crank-pulley-wrx-2015-2018-scion-fr-s-2013-2016-subaru-brz-2013-2018-impreza-2012-2013-crosstrek-psp-eng-101bk-psp-eng-101rd-pulleys-perrin-performance-black-papsp-eng-101bk-2.jpg?v=1737769429&width=220)
![Perrin Performance [15 - 25 Subaru Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] Pulley Cover | Short Version - Works w/AOS System - Red - JDMusclePulleysperPSP-ENG-154RD](http://jdmuscleusa.com/cdn/shop/products/perrin-performance-15-25-subaru-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-pulley-cover-short-version-works-waos-system-red-1290110.jpg?v=1770327155&width=220)
![Perrin Performance [15 - 25 Subaru Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] Pulley Cover | Short Version - Works w/AOS System - Red - JDMusclePulleysperPSP-ENG-154RD](http://jdmuscleusa.com/cdn/shop/products/perrin-performance-15-25-subaru-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-pulley-cover-short-version-works-waos-system-red-5201374.jpg?v=1770327155&width=220)
![Perrin Performance Pulley Cover | Short Version - Works w/AOS System - Neon Yellow [15 - 25 Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] - JDMusclePulleysperPSP-ENG-154NY](http://jdmuscleusa.com/cdn/shop/products/perrin-performance-pulley-cover-short-version-works-waos-system-neon-yellow-15-25-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-9922307.jpg?v=1770327155&width=220)
![Perrin Performance Pulley Cover | Short Version - Works w/AOS System - Neon Yellow [15 - 25 Impreza, 18 - 25 Crosstrek, 20 - 25 Legacy, 22 - 25 WRX and Outback] - JDMusclePulleysperPSP-ENG-154NY](http://jdmuscleusa.com/cdn/shop/products/perrin-performance-pulley-cover-short-version-works-waos-system-neon-yellow-15-25-impreza-18-25-crosstrek-20-25-legacy-22-25-wrx-and-outback-2057112.jpg?v=1770327155&width=220)
![Perrin [22 - 26 WRX] FA/FB Alternator Pulley Black | PSP - ENG - 121BK - JDMusclePulleysperPSP-ENG-121BK](http://jdmuscleusa.com/cdn/shop/products/perrin-22-26-wrx-fafb-alternator-pulley-black-psp-eng-121bk-2259997.jpg?v=1770330199&width=220)
![Perrin [22 - 26 WRX] FA/FB Alternator Pulley Black | PSP - ENG - 121BK - JDMusclePulleysperPSP-ENG-121BK](http://jdmuscleusa.com/cdn/shop/files/perrin-22-26-wrx-fafb-alternator-pulley-black-psp-eng-121bk-4977898.jpg?v=1770330199&width=220)
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](http://jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-7733264.jpg?v=1770322212&width=220)
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](http://jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-4083617.png?v=1770322212&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-5015025.jpg?v=1770329775&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-4264246.jpg?v=1770329775&width=220)
![Perrin [22 - 25 WRX, 19 - 22 Forester, 20 - 22 Legacy, 21 - 22 Crosstrek] Water Pump Pulley Red | PSP - ENG - 112RD - JDMusclePulleysperPSP-ENG-112RD](http://jdmuscleusa.com/cdn/shop/products/perrin-22-25-wrx-19-22-forester-20-22-legacy-21-22-crosstrek-water-pump-pulley-red-psp-eng-112rd-2674628.jpg?v=1770334523&width=220)
![Perrin [22 - 25 WRX, 19 - 22 Forester, 20 - 22 Legacy, 21 - 22 Crosstrek] Water Pump Pulley Red | PSP - ENG - 112RD - JDMusclePulleysperPSP-ENG-112RD](http://jdmuscleusa.com/cdn/shop/products/perrin-22-25-wrx-19-22-forester-20-22-legacy-21-22-crosstrek-water-pump-pulley-red-psp-eng-112rd-5603378.jpg?v=1770334523&width=220)