Jayco Inc. has introduced the Entegra Cornerstone luxury Class A motorhome built on a 46,600-pound GVWR Spartan K2 tag-axle chassis equipped with a Cummins ISM 500 hp engine. The 45-footer, available in four quad-slideout floorplans, offers full-body paint, a one-piece fiberglass crowned roof and front and rear caps, one-piece windshield, frameless tinted dual-pane windows and exterior lighted slideout cargo trays. Other features include LED taillights, beveled granite countertops, hydronically heated granite floors, stainless steel appliances, slideout pantries, ultra-leather hide-a-beds, hand-hewn hardwood moldings and sconces, cedar-lined wardrobes, hidden safes and four LCD TVs. Base MSRP: $512,000.