Brand new. Never used. Not refurbished. 
New in original packaging. Ships out same-next business day. 
Authentic, original, genuine item. Please see all pictures. 
Item from a climate controlled, smoke-free, pet-free building.

【Applications】The front & rear cover and oil pan alignment tool set perfectly compatible with GM LS series engine 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS4 LS6 LS7 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92.
【High Performance】This front and rear cover billet alignment tool kit helps easily align the front and rear engine covers to make sure the cover is centered, allows you properly install the seal to avoid leaks. In additional, can center / align the cover on the front seal or locates on the inside diameter of the seal bore in the cover without the seal installed. A centered cover means less of a chance for a seal to leak.
【Powerful Functions】This tool mimics the balancer and oil pan to provide critical alignment of the oil pan and front cover, designed to be used in conjunction with the front cover alignment tool. For LS engine, the oil pan is a stressed member and adds to block rigidity. Due to this reason, it can't simply be slapped in place, you will have to aligned the front and rear engine covers to the oil pan carefully.
【Superior Material】Made from top quality Aluminum for great strength, prevent corrosion and rust, impact resistance, tight tolerances for perfect alignment, ensures long term reliable service. Perfect for engine builders and mechanic to replace the front or rear main seal for GM LS series engine.