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Collection: EJ20 / EJ25

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451 products

Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1.0mm Short Stainless Black Nitride Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1.0mm Short Stainless Black Nitride Exhaust Valves Set of 8

Regular price $ 5,846.00

Regular price Sale price $ 5,846.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 32.5mm +0.5mm Inconel Short Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 32.5mm +0.5mm Inconel Short Exhaust Valves Set of 8

Regular price $ 8,834.00

Regular price Sale price $ 8,834.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Sodium Filled Inconel Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Sodium Filled Inconel Exhaust Valves Set of 8

Regular price $ 14,198.00

Regular price Sale price $ 14,198.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 32.5mm +0.5mm Inconel Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 32.5mm +0.5mm Inconel Exhaust Valves Set of 8

Regular price $ 8,834.00

Regular price Sale price $ 8,834.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Sodium Filled Inconel Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Sodium Filled Inconel Exhaust Valves Set of 8

Regular price $ 14,198.00

Regular price Sale price $ 14,198.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Inconel Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Inconel Exhaust Valves Set of 8

Regular price $ 8,829.00

Regular price Sale price $ 8,829.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Inconel Short Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Inconel Short Exhaust Valves Set of 8

Regular price $ 8,834.00

Regular price Sale price $ 8,834.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Stainless Black Nitrided Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 32mm STD Stainless Black Nitrided Exhaust Valves Set of 8

Regular price $ 5,791.00

Regular price Sale price $ 5,791.00
Unit price per
Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Inconel Exhaust Valves Set of 8

Supertech Subaru WRX EJ205 EJ255 STi EJ257 33mm +1mm Inconel Exhaust Valves Set of 8

Regular price $ 8,834.00

Regular price Sale price $ 8,834.00
Unit price per
Supertech Subaru EJ205 EJ257 82lb Dual Valve Springs Retainer

Supertech Subaru EJ205 EJ257 82lb Dual Valve Springs Retainer

Regular price $ 18,665.00

Regular price Sale price $ 18,665.00
Unit price per
Supertech Subaru EJ205 EJ257 70lb Dual Valve Springs Retainer

Supertech Subaru EJ205 EJ257 70lb Dual Valve Springs Retainer

Regular price $ 18,665.00

Regular price Sale price $ 18,665.00
Unit price per
Supertech Subaru EJ205 EJ257 64lb Dual Valve Springs Retainer

Supertech Subaru EJ205 EJ257 64lb Dual Valve Springs Retainer

Regular price $ 18,665.00

Regular price Sale price $ 18,665.00
Unit price per
GSC Power Division Intake, 37mm head+1mm Head EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Intake, 37mm head+1mm Head EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 20,667.00

Regular price Sale price $ 20,667.00
Unit price per
GSC Power Division Exhaust, 33mm head +1mm Head EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Exhaust, 33mm head +1mm Head EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 34,346.00

Regular price Sale price $ 34,346.00
Unit price per
GSC Power Division Intake, 36mm head STD Head EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Intake, 36mm head STD Head EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 20,667.00

Regular price Sale price $ 20,667.00
Unit price per
GSC Power Division Exhaust, 32mm head STD Head EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Exhaust, 32mm head STD Head EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 34,346.00

Regular price Sale price $ 34,346.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ207 JDM STI 2.0L

GSC Power Division Cam Set. Use with Upgraded Turbo Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ207 JDM STI 2.0L

Regular price $ 27,240.00

Regular price Sale price $ 27,240.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 600-800whp, Upgraded Springs Required Subaru EJ207 JDM STI 2.0L

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 600-800whp, Upgraded Springs Required Subaru EJ207 JDM STI 2.0L

Regular price $ 27,240.00

Regular price Sale price $ 27,240.00
Unit price per
GSC Power Division Can Set, Use with stock or upgraded turbo 300-500whp, fast spooling no loss of bottom end power, upgraded spring required Subaru EJ207 JDM STI 2.0L

GSC Power Division Can Set, Use with stock or upgraded turbo 300-500whp, fast spooling no loss of bottom end power, upgraded spring required Subaru EJ207 JDM STI 2.0L

Regular price $ 27,240.00

Regular price Sale price $ 27,240.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

GSC Power Division Cam Set. Use with Upgraded Turbo Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

Regular price $ 27,832.00

Regular price Sale price $ 27,832.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 600-800whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 600-800whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

Regular price $ 27,832.00

Regular price Sale price $ 27,832.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-600whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-600whp, Upgraded Springs Required Subaru EJ257 WRX STI 08+

Regular price $ 27,832.00

Regular price Sale price $ 27,832.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

Regular price $ 26,271.00

Regular price Sale price $ 26,271.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-750whp, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-750whp, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

Regular price $ 26,271.00

Regular price Sale price $ 26,271.00
Unit price per
GSC Power Division Cam set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

GSC Power Division Cam set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ257 WRX STI 04-07

Regular price $ 26,271.00

Regular price Sale price $ 26,271.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-750whp, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 500-750whp, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

Regular price $ 27,438.00

Regular price Sale price $ 27,438.00
Unit price per
GSC Power Division Cam Set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

GSC Power Division Cam Set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

Regular price $ 27,438.00

Regular price Sale price $ 27,438.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ205 WRX 02-05

GSC Power Division Cam Set. Use with Upgraded Turbo, Built head and Motor 750-1000whp, Upgraded Springs Required Subaru EJ205 WRX 02-05

Regular price $ 24,519.00

Regular price Sale price $ 24,519.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo 500-750whp, Upgraded Springs Required (Cam Trigger on Gear) Good for 2.5 hybrid build Subaru EJ205 WRX 02-05

GSC Power Division Cam Set. Use with Upgraded Turbo 500-750whp, Upgraded Springs Required (Cam Trigger on Gear) Good for 2.5 hybrid build Subaru EJ205 WRX 02-05

Regular price $ 24,519.00

Regular price Sale price $ 24,519.00
Unit price per
GSC Power Division Cam Set. Use with Upgraded Turbo 350-550whp, Fast Spooling (Cam Trigger on Gear) Subaru EJ205 WRX 02-05

GSC Power Division Cam Set. Use with Upgraded Turbo 350-550whp, Fast Spooling (Cam Trigger on Gear) Subaru EJ205 WRX 02-05

Regular price $ 24,519.00

Regular price Sale price $ 24,519.00
Unit price per
GSC Power Division Conical spring kit with Ti Retainer and Spring Seat EJ series motors

GSC Power Division Conical spring kit with Ti Retainer and Spring Seat EJ series motors

Regular price $ 13,614.00

Regular price Sale price $ 13,614.00
Unit price per
GSC Power Division Dual Conical EJ series motors

GSC Power Division Dual Conical EJ series motors

Regular price $ 16,832.00

Regular price Sale price $ 16,832.00
Unit price per
GSC Power Division EJ HP Conical spring, Ti ret, and seat EJ Series Motors

GSC Power Division EJ HP Conical spring, Ti ret, and seat EJ Series Motors

Regular price $ 13,614.00

Regular price Sale price $ 13,614.00
Unit price per
GSC Power Division Single Beehive Spring and Titanium Retainer EJ series motors

GSC Power Division Single Beehive Spring and Titanium Retainer EJ series motors

Regular price $ 10,514.00

Regular price Sale price $ 10,514.00
Unit price per
GSC Power Division Intake or Exhaust Valve Guide / Set of 8 EJ20-25 SOHC

GSC Power Division Intake or Exhaust Valve Guide / Set of 8 EJ20-25 SOHC

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Intake Valve Guide traditional / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Intake Valve Guide traditional / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Exhaust Valve Guide traditional / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Exhaust Valve Guide traditional / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Intake Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Intake Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 33,696.00

Regular price Sale price $ 33,696.00
Unit price per
GSC Power Division Intake Valve Guide Stopper style / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Intake Valve Guide Stopper style / Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Exhaust Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Exhaust Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 33,696.00

Regular price Sale price $ 33,696.00
Unit price per
GSC Power Division Exhaust Valve Guide Stopper style /Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

GSC Power Division Exhaust Valve Guide Stopper style /Set of 8 EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Intake / Exhaust Valve Guide Stopper style /Set of 8 EJ series SOHC EJ25

GSC Power Division Intake / Exhaust Valve Guide Stopper style /Set of 8 EJ series SOHC EJ25

Regular price $ 1,155.00

Regular price Sale price $ 1,155.00
Unit price per
GSC Power Division Bulk (Bag of 500) EJ20/EJ25 Subi Valve Seal EJ Series Valve seal BULK

GSC Power Division Bulk (Bag of 500) EJ20/EJ25 Subi Valve Seal EJ Series Valve seal BULK

Regular price $ 7,039.00

Regular price Sale price $ 7,039.00
Unit price per
GSC Power Division Valve stem seal set EJ Series Valve seal kit

GSC Power Division Valve stem seal set EJ Series Valve seal kit

Regular price $ 375.00

Regular price Sale price $ 375.00
Unit price per
GSC Power Division Valve Spring Seat Set, OEM Replacement EJ Series Valve Spring Seat Set

GSC Power Division Valve Spring Seat Set, OEM Replacement EJ Series Valve Spring Seat Set

Regular price $ 590.00

Regular price Sale price $ 590.00
Unit price per
GSC Cam Set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

GSC Cam Set. Use with Stock or Upgraded Turbo 300-500whp, Fast Spooling no loss of bottom end power, Upgraded Springs Required Subaru EJ25 Single AVCS w/Oil Drive

Regular price $ 27,438.00

Regular price Sale price $ 27,438.00
Unit price per
GSC Intake Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

GSC Intake Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 33,696.00

Regular price Sale price $ 33,696.00
Unit price per
GSC Exhaust Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

GSC Exhaust Valve Guide Stopper style / bulk EJ series EJ205, EJ207, EJ257, EJ257B

Regular price $ 33,696.00

Regular price Sale price $ 33,696.00
Unit price per

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