Energy Suspension Hyper-Flex Track Bar Bushing Front Steel/Polyurethane Zinc Oxide/Black - Jeep Wrangler JK 2007-11 Digital Tach The runner design is "tuned"

The runner design is "tuned" for peak torque around 3500 rpm on a 350-inch engine and its ideal for power from off-idle to 5500 rpm

As an added bonus

cam driven fuel pumps

1981-1982 Ford Fairmont

Energy Suspension Hyper-Flex Track Bar Bushing Front Steel/Polyurethane Zinc Oxide/Black - Jeep Wrangler JK 2007-11 Digital Tach The runner design is "tuned"Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked for name in performance polyurethane components today. The complex and diverse nature of Energy's proprietary Hyper Flex(TM) material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced