Holley LS Valley Cover - Trussed - 241-265 harley-davidson-exhaust thanks to the Flowmaster® Flow

thanks to the Flowmaster® Flow FX performance muffler

7” low glare

Holley's latest Hydramat design has an 11mm outlet that connects to the TI 450LPH and other pumps that use the same attachment design

97 Oldsmobile Cutlass Supreme 3

Holley LS Valley Cover - Trussed - 241-265 harley-davidson-exhaust thanks to the Flowmaster® FlowOverview: Holley'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