MaxxECU GM LS Harness Kit MaxxECU GM LS Harness Kit Includes MaxxECU RACE, Terminated Engine Harness, LSU 4.9 and adaptors cables for variants. All MaxxECU's products use the same, easy to use, but very powerful MTune software. Dig deep or keep it simple. All features are... MSRP: Was: Now: $3,983.24 Add to Cart
