Avid 4 wheelers will experience the improved throttle response this product provides when crawling up a trail is incredible. Two applications are available at this time for this for Jeep TJ -- P/N 93050 fits the 1999-2006 Jeep Wrangler/TJ 4.0 liter and P/N 93052 for the 1997-2002 Jeep Wrangler/TJ 2.5 liter.
See it at the link below.
http://www.ingallseng.com/93050-stiffy-etd-jeep-wrangler-4.0l.html