Fitment: The engine swap mount bracket is a replacement for Suburban K5 Blazer Jimmy Sierra, fits for OBS 2WD, 4WD, fits for LS Series Engines. Feature: Allows you to swap out an for LS engine on a 1973 through 1998 chassis that originally had a engine that used the Clamshell style engine mounts. Premium Material: Made of high strength steel material, with high toughness, not easy to bend, wear resistant, durable and long service life. Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency. Item Type: SBC Engine Swap Mount Bracket Material: Steel Fitment: Fits for Suburban K5 Blazer Jimmy Sierra Scottsdale Silverado, C10, C20, C30, K10, K20, K30, K20, K30. 2WD, 4WD, 4WD, Full Size. That originally came with SBC V8 using clamshell mounts. 305 350 400 Fits for OBS 2WD, 4WD, Full Size C/K Trucks and SUVs. Suburban, Tahoe, Blazer, Yukon, Silverado, Sierra, C1500, C2500, C3500, K1500, K2500, K3500. (GMT400/480 chassis) that originally came with a V8 using clamshell mounts. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.