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Shop performance parts and upgrades for Subaru builds, including engine, fuel, turbo, cooling and suspension components suited to WRX, STI, BRZ, Liberty and EJ/FA platforms.

Main Bolt Kit, 2-Bolt Main Pro Series Subaru EJ20,22,25 SOHC/DOHC Crankcase Through Bolt Kit (AR260-5401)

ARP
Original price $1,088.13 - Original price $1,088.13
Original price
$1,088.13
$1,088.13 - $1,088.13
Current price $1,088.13

fits Subaru EJ20,22,25 SOHC/DOHC Crankcase Through Bolt Kit Part Number : AR260-5401 Far superior to any other main bolt kit offered ...

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Original price $1,088.13 - Original price $1,088.13
Original price
$1,088.13
$1,088.13 - $1,088.13
Current price $1,088.13

Competition Wheel Studs Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) (AR100-7729)

ARP
Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

fits Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) Part Number : AR100-7729 A= .565L1=2.535L2= .270L3=...

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Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

Competition Wheel Studs Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) (AR100-7728)

ARP
Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

fits Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) Part Number : AR100-7728 A= .565L1=1.950L2= .270L3=...

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Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

Competition Wheel Studs Toyota BRZ & Subaru WRX (Stock Replacement), M12 x 1.25 (5 Pack) (AR100-7727)

ARP
Original price $84.29 - Original price $84.29
Original price
$84.29
$84.29 - $84.29
Current price $84.29

fits Toyota BRZ & Subaru WRX (Stock Replacement), M12 x 1.25 (5 Pack) Part Number : AR100-7727 A= .565L1=1.750L2= .270L3=N/A

Original price $84.29 - Original price $84.29
Original price
$84.29
$84.29 - $84.29
Current price $84.29

Callies Compstar Series H-Beam Conrod Set - 5.138" Length Suit Subaru EJ20/25, 1.890" Pin, 0.905" Small End With ARP2000 Bolts (CACSS5138HS8IBAH)

ARP
Original price $762.72 - Original price $762.72
Original price
$762.72
$762.72 - $762.72
Current price $762.72

Suit Subaru EJ20/25, 1.890" Pin, 0.905" Small End With ARP2000 Bolts Part Number : CACSS5138HS8IBAH Compstar engineering leads the way...

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Original price $762.72 - Original price $762.72
Original price
$762.72
$762.72 - $762.72
Current price $762.72

Flywheel Bolt Kit Subaru 2.0L (FA20) 10mm x .925" UHL (AR260-2801)

ARP
Original price $108.09 - Original price $108.09
Original price
$108.09
$108.09 - $108.09
Current price $108.09

fits Subaru 2.0L (FA20) 10mm x .925" UHL Part Number : AR260-2801 Flywheel and Flexplate bolts play an important role in the performan...

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Original price $108.09 - Original price $108.09
Original price
$108.09
$108.09 - $108.09
Current price $108.09

Competition Wheel Studs Toyota BRZ & Subaru WRX (Stock Replacement), M12 x 1.25 (5 Pack) (AR100-7727)

ARP
Original price $84.29 - Original price $84.29
Original price
$84.29
$84.29 - $84.29
Current price $84.29

fits Toyota BRZ & Subaru WRX (Stock Replacement), M12 x 1.25 (5 Pack) Part Number : AR100-7727 A= .565L1=1.750L2= .270L3=N/A

Original price $84.29 - Original price $84.29
Original price
$84.29
$84.29 - $84.29
Current price $84.29

Competition Wheel Studs Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) (AR100-7728)

ARP
Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

fits Toyota BRZ & Subaru WRX (Extended Length With Nose), M12 x 1.25 (5 Pack) Part Number : AR100-7728 A= .565L1=1.950L2= .270L3=...

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Original price $82.23 - Original price $82.23
Original price
$82.23
$82.23 - $82.23
Current price $82.23

Aeroflow Panel Filter Subaru Brz AF2031-2300

Aeroflow
Original price $48.04 - Original price $48.04
Original price
$48.04
$48.04 - $48.04
Current price $48.04

Suit Toyota 86 & Subaru BRZ 2005-2019 Equivalent to A1481 Toyota/Subaru Engine Air Filter 2005-2019 L 289mm x W 147mm x T 27mm Application: 201...

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Original price $48.04 - Original price $48.04
Original price
$48.04
$48.04 - $48.04
Current price $48.04

Aeroflow Subaru Expansion Tank Wrx Sti AF77-2045BLK

Aeroflow
Original price $165.01 - Original price $165.01
Original price
$165.01
$165.01 - $165.01
Current price $165.01

Suit WRX, STI, Forester & Liberty 2002-2008 Fabricated WRX & STi Expansion Tank. Aeeroflow Performance has constructed this durable, TIG-we...

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Original price $165.01 - Original price $165.01
Original price
$165.01
$165.01 - $165.01
Current price $165.01

Aeroflow Subaru Expansion Tank Wrx Sti AF77-2045

Aeroflow
Original price $165.01 - Original price $165.01
Original price
$165.01
$165.01 - $165.01
Current price $165.01

Suit WRX, STI, Forester & Liberty 2002-2008 Fabricated WRX & STi Expansion Tank. Aeeroflow Performance has constructed this durable, TIG-we...

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Original price $165.01 - Original price $165.01
Original price
$165.01
$165.01 - $165.01
Current price $165.01

Aeroflow Subaru Ej20 Ej25 Thermostat AF49-1136

Aeroflow
Original price $28.76 - Original price $28.76
Original price
$28.76
$28.76 - $28.76
Current price $28.76

160°F Opening Temperature Rating, Made From Copper/Steel Thermostats play a vital role in engine management. Thermostats can fail in 2 possible man...

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Original price $28.76 - Original price $28.76
Original price
$28.76
$28.76 - $28.76
Current price $28.76

Aeroflow Nippon Denso Alternator Plug AF49-1704

Aeroflow
Original price $7.74 - Original price $7.74
Original price
$7.74
$7.74 - $7.74
Current price $7.74

Fitted in Some Toyota, Honda, Jeep, Mazda, Holden, Ford, Subaru & Lexus Models The Aeroflow range of OEM alternator plug connectors are high qu...

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Original price $7.74 - Original price $7.74
Original price
$7.74
$7.74 - $7.74
Current price $7.74

Aeroflow Toyota Subaru Alternator Plug AF49-1703

Aeroflow
Original price $7.74 - Original price $7.74
Original price
$7.74
$7.74 - $7.74
Current price $7.74

Fitted in Some Toyota, Subaru & Mitsubishi Models The Aeroflow range of OEM alternator plug connectors are high quality reproduction plugs that...

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Original price $7.74 - Original price $7.74
Original price
$7.74
$7.74 - $7.74
Current price $7.74

Aeroflow Etc Harness Citroen Lexus AF49-6502

Aeroflow
Original price $36.79 - Original price $36.79
Original price
$36.79
$36.79 - $36.79
Current price $36.79

Designed to Plug into AF49-6500 ETC Unit Electronic Throttle Controller (ETC) harness which ONLY works with the AF49-6500 unit. (please check and e...

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Original price $36.79 - Original price $36.79
Original price
$36.79
$36.79 - $36.79
Current price $36.79

Aeroflow Subaru Ej20 Ej25 Twist Mount AF8245-1200

Aeroflow
Original price $171.32 - Original price $171.32
Original price
$171.32
$171.32 - $171.32
Current price $171.32

Suits T3 GT30-GT35 Turbochargers & 45mm External Wastegate Model - Subaru with EJ20/EJ25 Engine turbo Twist Mount Adapter. Adapter Flange - Fac...

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Original price $171.32 - Original price $171.32
Original price
$171.32
$171.32 - $171.32
Current price $171.32

Aeroflow Turbo Bag Blanket Carbon Wrx AF91-8801

Aeroflow
Original price $244.73 - Original price $244.73
Original price
$244.73
$244.73 - $244.73
Current price $244.73

Suit EJ20 and EJ25 Engine with Stock VF Internal Gate Turbocharger The Aeroflow Performance turbo bag / blanket range provides high quality materia...

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Original price $244.73 - Original price $244.73
Original price
$244.73
$244.73 - $244.73
Current price $244.73

Aeroflow Titanium Turbo Bag Blanket AF91-8001

Aeroflow
Original price $227.86 - Original price $227.86
Original price
$227.86
$227.86 - $227.86
Current price $227.86

Suit EJ20 and EJ25 Engine with Stock VF Internal Gate Turbocharger The Aeroflow Performance turbo bag / blanket range provides high quality materia...

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Original price $227.86 - Original price $227.86
Original price
$227.86
$227.86 - $227.86
Current price $227.86

Aeroflow Turbo Bag Blanket AF91-1001

Aeroflow
Original price $203.91 - Original price $203.91
Original price
$203.91
$203.91 - $203.91
Current price $203.91

Suit EJ20 and EJ25 Engine with Stock VF Internal Gate Turbocharger The Aeroflow Performance turbo bag / blanket range provides high quality materia...

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Original price $203.91 - Original price $203.91
Original price
$203.91
$203.91 - $203.91
Current price $203.91

Aeroflow Subaru Ej Fuel Rail Injector AF59-2258

Aeroflow
Original price $28.76 - Original price $28.76
Original price
$28.76
$28.76 - $28.76
Current price $28.76

Suit Subaru EJ20 and EJ25 (4 Pack) Fuel Injector Inserts For Subaru EJ20 and EJ25. Fuel injector seat adapters for use with Factory Subaru EJ20 and...

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Original price $28.76 - Original price $28.76
Original price
$28.76
$28.76 - $28.76
Current price $28.76

Aeroflow Ej20 Ej25 Fuel Injector Insert AF59-2061

Aeroflow
Original price $61.16 - Original price $61.16
Original price
$61.16
$61.16 - $61.16
Current price $61.16

Fuel Injector Seat Adapters. These adapters allow you to use an aftermarket injector with aftermarket fuel rails.

Original price $61.16 - Original price $61.16
Original price
$61.16
$61.16 - $61.16
Current price $61.16

Aeroflow Subaru Ej20 Ej25 Fuel Rail AF64-2258BLK

Aeroflow
Original price $449.69 - Original price $449.69
Original price
$449.69
$449.69 - $449.69
Current price $449.69

Suit 14mm 3/4" Length Fuel Injectors, -8ORB Ports The Aeroflow Performance Subaru conversion fuel rail kit is specifically designed to suit early S...

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Original price $449.69 - Original price $449.69
Original price
$449.69
$449.69 - $449.69
Current price $449.69

Aeroflow Subaru Ej20 Ej25 Fuel Rail AF64-2258R

Aeroflow
Original price $435.23 - Original price $435.23
Original price
$435.23
$435.23 - $435.23
Current price $435.23

Suit 14mm 3/4" Length Fuel Injectors, -8ORB Ports The Aeroflow Performance Subaru conversion fuel rail kit is specifically designed to suit early S...

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Original price $435.23 - Original price $435.23
Original price
$435.23
$435.23 - $435.23
Current price $435.23

Aeroflow Toyota 86 Brz Fuel Rail Kit AF64-2131

Aeroflow
Original price $395.31 - Original price $395.31
Original price
$395.31
$395.31 - $395.31
Current price $395.31

Suit Standard Fuel Injectors, -8ORB Ports Aeroflow Performance fuel rails that are specifically designed for the Subaru BRZ, Toyota 86 and Scion FR...

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Original price $395.31 - Original price $395.31
Original price
$395.31
$395.31 - $395.31
Current price $395.31

Frequently Asked Questions

What Subaru models do these parts suit?
This collection covers performance parts for Subaru builds, with many products suited to WRX, STI, BRZ, Liberty and EJ/FA platforms. Always check each product listing for exact fitment before ordering.
Are these Subaru parts suitable for street and motorsport use?
Yes, the range typically includes parts for everything from fast street cars to drag, drift and circuit-focused Subaru builds. The best choice depends on your goals, power level and intended use.
Do I need to check fitment for my Subaru before buying?
Yes. Fitment can vary by chassis, engine, year model and even factory trim. Confirm the exact platform details in the product listing, especially if your Subaru has been engine swapped or heavily modified.
Will supporting mods or tuning be needed on my Subaru?
Often, yes. Fuel, turbo, ignition, cooling or ECU upgrades on a Subaru commonly work best with supporting parts and the right tune to keep the combination reliable.
What are common upgrade paths for Subaru builds?
Popular Subaru upgrades usually start with intake, exhaust, cooling and fuel support, then move into turbo or engine upgrades, suspension, braking and driveline improvements depending on the build direction.