471-1987: Standard Swivel Guard
471-1988: Standard Swivel Guard
471-1989: Swivel Guard Kit, Standard
471-1990: Swivel Guard Kit, Heavy Duty
471-1991: Swivel Guard Kit, Heavy Duty
471-1992: Swivel Guard Kit, Heavy Duty
471-1993: Window Guard Kit, Front
471-1995: Swivel Guard Kit, Standard
471-1996: Swivel Guard Kit, Standard
471-1997: Standard Swivel Guard
471-1998: Swivel Guard Kit, Standard
471-1999: Swivel Guard Kit, Standard
