With the stock valve stem seal, oil falls when revving continuously to 9,000 or higher. HKS valve stem seal was designed to ensure oil does not fall even up to 10, 000rpm testing with the HKS Drag GT-R. 
The valve stem seal is included in HKS Head System Step Pro. Using this item alone with the stock cylinder head is also effective.

HKS Valve Stem Seal RB26DETT

$230.00Price

    Intec Racing

    25911 104th Ave SE Kent, WA 98030

    Contact: 253.872.0872

    Fax: 253.872.0778

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