Subaru WRX STI 2.0 2.5 EJ20 EJ25 Supertech intake valve SIVN-1010 STD

Part number SIVN-1010 (STD)
Supertech black nitrided (high flow version) intake valve
Subaru WRX, STI - 2.0 2.5 (EJ20, EJ25)

22,00 €

Доступность:2 шт.

Информация

Product detailed specification
Model number	SIVN-1010
Head diameter	36.00mm
Stem diameter	5.96mm
Length	104.35mm
Material	Black nitrited
Fits for	Sbaru WRX - 2.0 2.5 (EJ20, EJ25)

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Subaru WRX STI 2.0 2.5 EJ20 EJ25 Supertech black nitrided intake valve...

Product detailed specification
Model number	SIVN-1012
Head diameter	36.50mm
Stem diameter	5.96mm
Length	104.35mm
Material	Black nitrided stainless steel
Fits for	Sbaru WRX - 2.0 2.5 (EJ20, EJ25)

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Subaru WRX STI EJ20 / EJ25 Supertech valve spring kit SPRK-TS1015-SU4

Springs data:

Seat pressure - 82lbs @ 34.25mm
Open (lift) pressure - 220lbs @ 11.5mm
Spring coil bind - 20.70mm
Rate - 12.10lbs/mm
Max lift - 13.50mm
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm

Set includes:

Dual springs: 16 pcs. SPR-TS1015/SU4
Titanium retainers: 16 pcs. RET-TS60/WRX1
Seats: 16 pcs. SEAT-TS/SUB4

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Subaru WRX 16V EJ20 / EJ25 Ferrea intake valve STD

The 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures and roller cams, at a budget price. They have higher fatigue resistance and tensile strengths than our competitor’s best offerings.

To manufacture the valves we use our exclusive two-step slow forging process using EV8 stainless steel on both intake and exhaust valves.We provide a special heat-treatment and stress relieving process, along with hard chrome stems and friction-welded hard tips. We finish with a swirl polished head. The valves feature flow improvements to deliver the power needed for today’s sophisticated racing engines.

33,88 €