Holley LS Valley Cover - Trussed 23020BK Not for sale or use

Not for sale or use on pollution controlled motor vehicles

Includes compressor and gauge and wiring harness

4500 lb/in Spring Rate

Reflects up to 8% of heat away

Noticeable Interior Resonance

Holley LS Valley Cover - Trussed 23020BK Not for sale or useHolley's new trussed LS valley covers are the latest addition to our expansive lineup of LS engine dress up products. Machined from billet aluminum and featuring a modern trussed design, these LS valley covers are the perfect upgrade for your LS engine if you are looking for a subtly custom touch. These valley covers are machined smooth on the underside, allowing for the elimination of Displacement On Demand (DOD), and instead feature an ample gasket