Collection: Engine Upgrades For Subaru Impreza G4 GK
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Fel-Pro Crankshaft Seal Kit | Subaru WRX / BRZ / Scion FR-S / Toyota 86 (07-23)
Vendor:Fel-ProRegular price $55.05 USDRegular priceUnit price / perSale price $55.05 USD -
Banks Power Pedal Fits Monster Stand-Alone Throttle Controller 64325
Vendor:Banks PowerRegular price $295.00 USDRegular priceUnit price / per$327.78 USDSale price $295.00 USDSale -
Radium 08-21 Subaru Fuel Hanger Plumbing Kit - Microglass
Vendor:Radium EngineeringRegular price $455.95 USDRegular priceUnit price / per$479.95 USDSale price $455.95 USDSale -
Radium Subaru Fuel Hanger For Walbro GSS342 or AEM 50-1200 - Pumps Not Included
Vendor:Radium EngineeringRegular price $493.95 USDRegular priceUnit price / per$519.95 USDSale price $493.95 USDSale -
Radium 08-21 Subaru Fuel Hanger Plumbing Kit - Stainless
Vendor:Radium EngineeringRegular price $474.95 USDRegular priceUnit price / per$499.95 USDSale price $474.95 USDSale -
Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not Included
Vendor:Radium EngineeringRegular price $512.95 USDRegular priceUnit price / per$539.95 USDSale price $512.95 USDSale -
Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not Included
Vendor:Radium EngineeringRegular price $512.95 USDRegular priceUnit price / per$539.95 USDSale price $512.95 USDSale -
Fel-Pro Engine Coolant Thermostat Housing Gasket | Subaru BRZ (14-23) / Forester (16-23) / Crosstrek (16-23) (36161)
Vendor:Fel-ProRegular price $2.14 USDRegular priceUnit price / perSale price $2.14 USD -
Fel-Pro Engine Valve Stem Oil Seal Set | Subaru WRX/BRZ/Scion FR-S/86 (SS729331)
Vendor:Fel-ProRegular price $36.66 USDRegular priceUnit price / perSale price $36.66 USD -
Fel-Pro Engine Crankshaft Seal Kit | Subaru WRX (13-20) / BRZ (13-20) / Scion FR-S (13-16) / Toyota 86 (17-20) (BS40748)
Vendor:Fel-ProRegular price $13.66 USDRegular priceUnit price / perSale price $13.66 USD -
Fel-Pro Fuel Pump Gasket | Subaru BRZ / Crosstrek / Forester (12-25) (73441)
Vendor:Fel-ProRegular price $16.15 USDRegular priceUnit price / perSale price $16.15 USD -
DeatschWerks 02-12 WRX / 07-12 STi / 07-12 Legacy GT 1000cc Bosch EV14 Injectors
Vendor:DeatschWerksRegular price $469.00 USDRegular priceUnit price / per$469.00 USDSale price $469.00 USD -
Cometic 100mm Bore MLS Headgasket .040" | Subaru 90-01 Impreza/Legacy 2.0/2.5L (H1631SPK040S)
Vendor:Cometic GasketRegular price $47.38 USDRegular priceUnit price / per$57.59 USDSale price $47.38 USDSale -
aFe Pro GUARD D2 Oil Filter | Nissan Trucks (99-14) / Honda Cars (01-14) (44-LF016)
Vendor:aFeRegular price $15.61 USDRegular priceUnit price / per$16.00 USDSale price $15.61 USDSale -
aFe Pro GUARD D2 Oil Filter (4 Pack) | Nissan Trucks (99-14) / Honda Cars (01-15) (44-LF016-MB)
Vendor:aFeRegular price $54.00 USDRegular priceUnit price / per$54.00 USDSale price $54.00 USD -
ACT Pilot Bearing | Toyota Tacoma 2002 (PB1004)
Vendor:ACTRegular price $7.00 USDRegular priceUnit price / per$9.00 USDSale price $7.00 USDSale -
Perrin Pulley Cover Red | Subaru Impreza/ Crosstrek/ Legacy/ Outback (PSP-ENG-154RD)
Vendor:Perrin PerformanceRegular price $60.63 USDRegular priceUnit price / per$97.00 USDSale price $60.63 USDSale -
Perrin Pulley Cover Black | Subaru 17-25 Impreza/Crosstrek/Legacy/Outback (PSP-ENG-154BK)
Vendor:Perrin PerformanceRegular price $60.63 USDRegular priceUnit price / per$97.00 USDSale price $60.63 USDSale -

Perrin Pulley Cover Hyper Pink | Subaru 17-25 Impreza/Crosstrek/Legacy/Outback (PSP-ENG-154HP)
Vendor:Perrin PerformanceRegular price $65.63 USDRegular priceUnit price / per$105.00 USDSale price $65.63 USDSale -

Perrin Pulley Cover Neon Yellow | Subaru 17-25 Impreza/Crosstrek/Legacy/Outback (PSP-ENG-154NY)
Vendor:Perrin PerformanceRegular price $65.63 USDRegular priceUnit price / per$105.00 USDSale price $65.63 USDSale
Engine Upgrades for Subaru Impreza G4 GK: Enhance Power and Reliability
Unlock the full potential of your Subaru Impreza G4 GK with our specialized engine upgrades. Designed to improve horsepower, throttle response, and engine durability, these parts are tailored to fit your model precisely. Whether you’re after performance intakes, exhaust components, or advanced tuning solutions, our collection helps you optimize your engine’s performance without sacrificing daily drivability.
What are the key benefits of upgrading your Impreza G4 GK’s engine components?
Upgrading your engine parts can significantly enhance your vehicle’s power delivery and overall driving experience. Performance intakes and exhaust systems improve airflow, which boosts efficiency and throttle response. Additionally, durable aftermarket components help maintain engine reliability under increased stress, making them ideal for both spirited driving and everyday use.
- Improved horsepower and torque through optimized airflow
- Enhanced throttle response for quicker acceleration
- Increased engine reliability with high-quality materials
- Better exhaust sound without compromising drivability
How to choose the right engine upgrades for your Subaru Impreza G4 GK?
Selecting the right engine upgrades depends on your performance goals and driving style. Start by identifying whether you want to focus on power gains, sound enhancement, or reliability improvements. Consider complementary modifications such as tuning solutions that maximize gains from intake and exhaust upgrades. Always ensure parts are specifically designed for the G4 GK platform to guarantee fitment and function.
Why shop engine upgrades for your Subaru Impreza G4 GK at WheelFlip?
At WheelFlip, we curate engine upgrades that meet the exacting standards of Subaru enthusiasts. Our selection prioritizes fitment confidence and measurable performance improvements, helping you refine your Impreza’s engine without guesswork. Explore our collection to find quality parts that align with your build goals and elevate your driving experience.














