Building or rebuilding an engine? Make it easier and stronger with this ARP Complete Engine Fastener Kit (part #545-9801). This kit has virtually all the bolts you need in one organized package – no hunting down a dozen different part numbers. The fasteners are made from heat-treated 8740 Chrome Moly steel, which is way stronger than standard OEM or even Grade 8 hardware (we're talking 170,000 psi tensile strength). They have a clean black oxide finish and feature 6-point heads for a solid grip with your wrench. The kit includes a variety of bolt types and sizes, all neatly labeled and vacuum-wrapped to keep them safe. Designed primarily for carbureted engines – if you're working on a newer EFI setup, you might need a couple extra bits. This is the go-to kit for show-quality builds or just making sure your engine is put together with the best. Saves time and gives you peace of mind. Made in the USA. The package is about 5.6 cm x 21.3 cm x 21.9 cm and weighs 4.4 lbs.