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