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Ferrea WRX & STi Drag & Endurance Racing Valvetrain Kits: |
| Ferrea's WRX & STi valvetrain kits include titanium retainers, valve springs, and spring seat locators. Designed as an upgrade for use with stock valves or Ferrea valves, the kits are available with endurance or drag racing valvesprings. Ferrea's titanium retainers are precision CNC machined from aerospace quality alloys. Ferrea's material for the valve springs is a premium grade alloy with special thermal treatment to withstand the high RPM demand from powerful racing engines. |
Superior materials are used and high standards are followed in the production of the spring seat locators, making for a top notch kit for your WRX or STi. Please select endurance or drag racing valve springs when ordering.
Shipping costs are calculated upon checkout |
NOTES:
1. These kits are available with drag or endurance racing springs; choose accordingly below.
2. Kit includes valvesprings, titanium Retainers, & spring seat Locators
FITMENT: 02-05 Subaru WRX, EJ20 2.0L Engine & 04-09 STi 2.5L Engine; Choose accordingly.
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| Description |
Part #: |
MSRP: |
Price: |
Inventory |
|
| 02-05 WRX EJ20 2.0L: Endurance Racing |
-wrx-vtkit-er |
02-05 WRX EJ20 2.0L:
Drag Racing |
-wrx-vtkit-drag |
04-09 STi EJ257 2.5L:
Endurance Racing |
-sti-vkit-er |
04-09 STi EJ257 2.5L:
Drag Racing |
-sti-vtkit-drag |
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Ferrea WRX & STi Competition Plus Valves: |
| Ferrea's Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. Constructed from aerospace quality alloys for high tensile strength, Ferrea valves undergo an exclusive two-step slow forging process to ensure proper grain flow and virtually eliminate any damage to the material structure. The valves are then heat treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip. |
Ferrea's engineering staff spends countless hours conducting flow bench tests to achieve an optimum balance of flow, velocity and efficiency in the design of this valve. As a result, these valves incorporate smoother radiuses and unique undercuts.
Shipping costs are calculated upon checkout |
FITMENT: 02-05 WRX EJ20 & 04-09 STi EJ257; Choose your engine below (scroll down for STi).
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| 2002-2005 WRX EJ20 2.0L Engine Valves & Hardware: |
| Description |
Part #: |
MSRP: |
Price: |
Inventory |
|
02-05 WRX EJ20:
Exhaust Valve, Stock Size |
F1968P |
02-05 WRX EJ20:
Intake Valve, Stock Size |
F1967P |
02-05 WRX EJ20:
Exhaust Valve, 1mm Oversize |
F1966p |
02-05 WRX EJ20:
Intake Valve, 1mm Oversize |
F1965p |
| 02-05 WRX EJ20: Valve Locks (16) |
K10061 |
| 2004-2009 STi EJ257 2.5L Engine Valves & Hardware: |
| Description |
Part #: |
MSRP: |
Price: |
Inventory |
|
04-09 STi EJ257:
Exhaust Valve, Stock Size |
F1520P |
04-09 STi EJ257:
Intake Valve, Stock Size |
F1514P |
04-09 STi EJ257:
Intake Valve, 1mm Oversize |
F1519P |
04-09 STi EJ257:
Exhaust Valve, 1mm Oversize |
F1524P |
| 04-09 STi EJ257: Valve Locks (16) |
K10074 |
04-09 STi EJ257:
Intake Valve Seals (8) |
VS1015 |
04-09 STi EJ257:
Exhaust Valve Seals (8) |
VS1016 |
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