3 Inch Block Kit 1999-2010 Chevy Silverado and GMC Sierra 1500 and 2500 4WD Superlift Performance - Exhaust Sensors - Exhaust Backpressure Sensor Included is a relay style

Included is a relay style wiring harness

The wheel is a 16x7 which was dictated by the limited tire size FIA T1 4x4 trucks are allowed to use in competition

Caution: Dome Light w/ Switch can get very hot when used for long periods of time

Kit is recommended for use with RockJock's RJ-9120FJLF forged chromoly organically shaped front trac bar and RJ-107101-101 adjustable front bump stop kit to ensure all components nest together for maximum up-travel

easy setup and adjustments

3 Inch Block Kit 1999-2010 Chevy Silverado and GMC Sierra 1500 and 2500 4WD Superlift Performance - Exhaust Sensors - Exhaust Backpressure Sensor Included is a relay styleEstablished in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand in hand. We can talk the talk because we walk the walk. This question. Whats best for the customer. is always at the top of our list in everything we do, from product planning and design to customer service. This