Brand New In Box. Genuine MSD LS Series Ignition Control Unit (Part Number: 60143). Completely unused, unopened, and pristine. This is the ultimate standalone ignition management system for running a carbureted or retro-fitted LS engine without needing a factory PCM. Features & Specs: Auto-Detects Reluctor Wheels: No need to swap sensors. This unit automatically senses and configures for both 24x (1x cam) and 58x (4x cam) crank/cam trigger setups. Programmable Timing: Features 6 pre-programmed timing curves adjustable directly on the box via rotary dials for quick, laptop-free tuning. Fully customizable via laptop using MSD View software. Boost Ready: Equipped with a built-in 2.5 Bar MAP sensor to safely map timing retard under boost or manifold pressure. Launch Control: Includes a built-in programmable 2-Step Rev Limiter for consistent launches at the strip. Includes all necessary high-quality wiring harnesses, mounting hardware, and instruction manual.