JKS Manufacturing Acos Front Adjustable Coil Spacer (1984-2006 Wrangler, Cherokee, Comanche, Grand Cherokee) - JKS2200 Variable length coil spring spacer allows convenient ride height adjustments without removing any suspension components Adjustable lift height from 1-1/2" to 3-3/4" Compensates for uneven load distribution, spring settling, and sagging Instantly increases vehicle ride height upon installation for immediate benefits Eliminates need to replace coil springs to accommodate future modifications Technically advanced design and billet construction dramatically enhances suspension appearance New Dura-Thane isolators utilized to prevent noise transfer, and bump stops for durability Dial in ride height on your SUV Wrangler TJ or LJ with JKS ACOS adjustable front coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- without taking apart suspension components. ACOS adjustable coil spring spacers compensate for uneven load distribution and spring settling. They can save you from having to replace coil springs as you add equipment weight. The high-tech, billet design looks great, too. Dura-Thane isolators prevent noise transfer. Since 1989, JKS Manufacturing has developed some of the world?s most widely used and respected products for SUV vehicles. It all started when we pioneered the original Quick Disconnect brand of quick-release sway bar disconnects. Since then our product range has expanded to include such favorites as the ACOS line of height-adjustable coil spring spacers, and perhaps our most advanced creation to date, J-Spec Suspension systems including the JK Front Coilover Conversion. MODEL YEAR(S) SUV Wrangler 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 SUV Cherokee 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 SUV Comanche 1986 1987 1988 1989 1990 1991 1992 SUV Grand Cherokee 1993 1994 1995 1996 1997 1998