- Eliminates the two rear valve cover PCV hose connections as well as the PCV hose and PCV valve.
- Improves crankcase ventilation and decreases the quantity of oil and contaminants that make it into your intake.
- Direct bolt-on for 2001-02 LS1 engines. Earlier LS1 engines require some minor cutting of a boss in the engine valley that interferes with the cover baffle.
Questions & Answers (1)
Questions and answers of the customers
- Q Chevrolet Performance- LS6 Lifter Valley Plate Upgrade For Factory LS1 PCV System (12577927) DOES... answer nowAsked by GEORGE on April 3, 2018 12:34 pmAnswered by the admin 2006 should still have the knock sensors in the valley, and if so - yes, this will fit. 2007 was the change over year.