Challenger WLP10315 Stack Adapter Kit The Challenger WLP10315 is a stack adapter kit for 2-post lifts that provides both 3-inch and 6-inch stacking options to adjust lift height to a vehicle's pick-up points. The kit includes six adapters and two organizer racks for centralized storage. It accommodates vehicles with higher, recessed, or further-in pick-up points, including trucks, crossovers, and unibody cars with recessed pinch welds. Features 3-inch and 6-inch stacking adapter options Six adapters included Two organizer racks for storage Specifications General Brand Challenger Lift Part Number 10315 Product Type Stack Adapter Kit Kit Contents Adapter Heights Included 3" and 6" Total Adapters 6 Organizer Racks Included 2 Compatibility Compatible Equipment 2-Post Lifts What's Included 4 x 3 in. Stack Adapters 2 x 6 in. Stack Adapters 2 x Organizer Racks