Holley LS Valley Cover - Trussed 23020BK Reflects up to 8% of

Reflects up to 8% of heat away

250 in Reach Spring Included

4500 lb/in Spring Rate

Includes compressor and gauge and wiring harness

The bottom line is that if you want to make more power

Holley LS Valley Cover - Trussed 23020BK Reflects up to 8% ofHolley'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