This BluePrint Engines LS flexplate is designed to pair perfectly with LS-series crate engines using a 6-bolt crankshaft and automatic transmissions such as the 4L60E and 4L70E. With a 168-tooth ring gear for reliable starter engagement and durable steel construction, it provides the dependable foundation needed to back a modern LS crate engine with confidence. Ideal for swaps, restomods, and performance builds, this flexplate ensures proper fitment, smooth engagement, and long-term reliability, so your LS engine performs exactly as intended from the first key turn.