88-99 Harley Davidson SPORTSTER Sporty Rear Adjustable Slam LOWERING KIT Blocks 1 - 3 inches 1&rdquo; 2&rdquo; 3&rdquo; for Sportster 1200 XLH1200 Sport XLH1200S Custom XLH1200C 88 89 90 91 92 93 94 95 96 97 98 99 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 VMS Racing Brand (NOT Generic). Unsurpassed, quality, fitment and finish. Manufactured of High Quality A50 1/4" Grade Steel WELDED STEEL... NOT machine-bent which WEAKENS metal integrity. Black Powder Coated for a Long Lasting Finish. Kit Includes: Two (2) LOWERING BLOCKS, ALL Necessary Installation HARDWARE including Grade 9 Bolts, Nyloc Nuts, Hardened Washers and INSTALLATION INSTRUCTIONS.