The PowerAid spacer incorporates a helix bore that spins the incoming air charge. The increased combustion efficiency provides torque and mileage increases. Detailed instructions are included Fits Jeep 2. 5L 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002. |