A must have for every LS1 build. Remove the PCV hoses between the rear of the valve covers and improves vaccum.
ACDelco GM Genuine Parts Lifter Valley Plates
ACDelco GM Genuine Parts lifter valley plates are designed, engineered, and tested to rigorous standards and backed by GM. These true OE parts offer a precise fit for an easier install. For optimal performance, stay with the parts brand your vehicle came with; service your GM vehicle with ACDelco GM Genuine Parts.
Manufacturer's Part Number:
12577927
Notes:
Includes valley gasket. Direct replacement for LS1 engines.
