Poncam Single AVCS Camshaft Set 258/266 for 1998-2000 Subaru WRX STI w/ EJ207 by Tomei
With a conventional direct-acting valve train, the maximum lift is usually determined by the size/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface.
Please Note: This product has a number of parts which are required to be used in tandem with these camshafts which are not included in this kit. Below is a comprehensive list based on part type:
Valve Spring: OEM or TA304A-SB01A
Features
- Intake Duration: 258
- Exhaust Duration: 266
- Intake Cam Lift: 9.60
- Exhaust Cam Lift: 9.80
Benefits
- Optimized 'velocity' and 'acceleration'
- Designed for high power setups
- Reduced stress/wear on the valve train
Applications
- 1998-2000 Subaru STI EJ207 w/ Single AVCS only
What's In The Box?
- 1 - Camshaft or Set of Camshafts
References
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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