The H-D part number is # 52096-78 and is still in factory packaging. Though the box has seen better days! This was the kit that H-D introduced the second year of XLCR production to answer complaints of, I can't ride a passenger!
There was also an extra long rear wheel axle kit available which provided a mounting spot for passenger foot pegs. I do not have it and it's not included.. The item "HARLEY Cafe Racer XLCR two-up seat kit # 52096-78 OEM NOS Free USA Shipping" is in sale since Thursday, November 29, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts".The seller is "13622034" and is located in Absecon, New Jersey. This item can be shipped worldwide.