Chevy & GMC New Process NP246 / New Venture Gear NVG246. Check the round ID tag on the rear the rear case half to confirm. The New Venture Gear model NVG 246 & New Process NP246 (RPO NP8) transfer case is a two speed automatic, active, transfer case with 3 manual mode/range positions: 4HI - 4 Wheel Drive high range; 2 HI - 2 Wheel Drive high range; 4 LO - 4 Wheel Drive low range. Output to Case Snap Ring. We respond within 24 hours or less Monday-Friday, except holidays. If you have questions on this item providing us with as much of the following information as possible...