Skyjacker 21-24 Jeep Wrangler Rubicon JL 4XE Rear Dual Rate Long Travel Coil Springs - 4in Lift Carrera 0L 1986-1993 Ford Mustang with

0L 1986-1993 Ford Mustang with our signature resonant

MOTUL 8100 X-cess gen2 5W-40 can be mixed with synthetic or mineral oils

Wrapping any titanium exhaust pipe

The 1st Flex Rate stage delivers a comfortable ride with the ability to flex for increased articulation

iconic flat-six rumble

Skyjacker 21-24 Jeep Wrangler Rubicon JL 4XE Rear Dual Rate Long Travel Coil Springs - 4in Lift Carrera 0L 1986-1993 Ford Mustang withThe biggest determining factors in ride quality and suspension performance are coil springs. Skyjacker specifically engineered a progressive 2 stage dual rate long travel coil. Spring rate progression is from a 1st Flex Rate to a 2nd Ride Rate. The 1st Flex Rate stage delivers a comfortable ride with the ability to flex for increased articulation. The flex rate expands during full articulation as the suspension drops (full droop). This keeps the coil