This Moroso lifter valley plate fits GM LS1, LS2, LS6 and C5R engines and is supplied as a 1/4-inch aluminum plate. It blocks off or seals lifter valley openings as needed during engine assembly or modification, offering a lightweight corrosion-resistant plate for LS applications where a tidy valley seal or modification is required.
Moroso GM LS1/LS2/LS6/C5R Lifter Valley Plate - 1/4in - Aluminum