Low-Mount LS Drive System (alt, P/S W/o A/C) Driver's Side HolleyHolley's new Low Mount Accessory Drive Brackets and Complete Systems have the components tucked in tighter to the block and mounted lower for a more attractive and compact package. Ideal for Ls engine swaps with limited space or where a low, more attractive appearance is desired. Features and Benefits: Small Compact Complete Kits Fits Middle and Long Accessory Spacing Installation Kit 21 4 Required w Long Spacing P S Hardline Works w Most Type Ii P S