Overview
The TeraFlex 1213000 is a 3-inch Sport ST3 suspension system for the 2007–2018 Jeep Wrangler (JK) 2-door, in the 70th Anniversary, 75th Anniversary, Rubicon, Sahara, Sport, Sport S and X trims. TeraFlex builds the ST3 on its 2.5-inch Sport ST2 by adding preset rear upper and rear lower Sport flexarms and SpeedBump progressive bump stops.
The ST3 clears the same tire size as the 2.5-inch ST2 while adding ground clearance from its rear upper and rear lower flexarms and bump stops. It suits black diamond trails as well as city streets. The six preset flexarms and the heavy-duty front track bar and rear track bar bracket set caster and pinion angles for lifts of 2.5 to 3 inches, so no alignment is needed. The system raises ground clearance without giving up on-road or off-road capability, and the preset arms simplify installation.
Key features
- Six preset Sport flexarms
- SpeedBump progressive bump stops
- Heavy-duty front track bar
- Rear track bar bracket
- Maintenance-free design, per TeraFlex
Bump stops and tire clearance
Progressive bump stops limit how far the suspension can compress before the axle reaches the frame. They soften the final part of a hard landing and reduce the chance of a sudden jolt on rough trails. Because the stops work with the coil springs, their condition should be checked whenever the springs or shocks are serviced.
Tire clearance depends on more than the lift. Wheel offset, tire width and steering lock all affect how much room is left at full turn and full compression. Before adding larger tires, review steering stops, sway bar links and brake hose length, since each can limit the usable range once the suspension is raised.
- Inspect bump stops for cracks or flattening
- Check brake hose length after the lift
- Review steering lock before larger tires
- Inspect sway bar links for binding
Specifications
| Brand | TeraFlex |
|---|---|
| Part number | 1213000 |
| Type | 3-inch Sport ST3 suspension |
| Lift height range | 0 to 3.5 inches |
| Lift for preset angles | 2.5 to 3 inches |
| Rear lift component | Coil springs |
| Shocks | Not included |
| Fitment type | Direct fit |
Vehicle fitment
It fits the 2007–2018 Jeep Wrangler (JK) 2-door, including the 70th Anniversary, 75th Anniversary, Rubicon, Sahara, Sport, Sport S and X trims.
It is designed for the 2-door JK only. The Unlimited 4-door and the JL are not covered. Confirm fit for your vehicle’s year, model and trim before ordering.
Installation notes
TeraFlex says no alignment is needed with the preset flexarms. Check the driveline angles after installation, since the rear arms change the axle position.
What’s included
Six preset Sport flexarms, SpeedBump bump stops, the heavy-duty front track bar, the rear track bar bracket and the coil springs.
Not included: Shocks.
