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Engines and Components› Camshafts and Valvetrain
Supertech
Supertech Subaru EJ20/EJ25 Black Nitrided Intake Valve - +1mm Oversize - Set of 8 (Std Length)
SKU: S00P SIVN-1014-8
Advanced — 4+ hours
Overview
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Part #: SIVN-1014-8
Vehicle Symptoms
- Engine misfire at idle or under load
- Loss of power during acceleration
- Rough idle after cold start
- Check engine light flashing or steady
- Excessive valve train noise (ticking)
Diagnostic Codes
- P0300 – Random/multiple cylinder misfire
- P0301 – Cylinder 1 misfire detected
- P0302 – Cylinder 2 misfire detected
- P0303 – Cylinder 3 misfire detected
- P0304 – Cylinder 4 misfire detected
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- P0301 code after head rebuild – bad valve?
- OEM vs Supertech intake valves for reliability
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Supertech |
| Part Number | S00P SIVN-1014-8 |
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