High quality performance parts at the right price made in USA. ARP studs are ARP2000, heat-treated to 220,000 PSI tensile strength, and precision J-from thread-rolled after heat-treat resulting in &#######xA0;a fastener that has threads 2000% stronger than others. This Main Stud Kit includes 10 studs, 10 parallel ground washers, 10 twelve-point nuts, moly torque lube, and an instruction sheet. ARP recommends studs are over bolts because of the ability to obtain a more accurate torque reading studs provide over bolts. Studs don’t twist as they are fastened down. Additionally, because of this there is less force exerted on the thread of the block, which results in increased block life, especially on aluminum blocks. Main stud kit – to bolt the main caps of the crankshaft! Applications: &#######xA0;Toyota 2ZZGE. &#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B. Please allow 24 hours for the tracking information to update. International orders may take extra days to process. Euroexport holds the right to cancel any order at any time. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Wiseco pistons with part number starting in KE. See our other items. ARP studs are ARP2000, heat-treated to 220,000 PSI tensile strength, and precision J-from thread-rolled after heat-treat resulting in a fastener that has threads 2000% stronger than others.