The ARP stud kit is specifically designed for the Toyota 1ZZ and 2ZZ engines. The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others and completely reusable.
This kit includes:
Q: What is the recommended torque specification?
A: Torque Spec: 60 ft-lb with ARP lube, 70 ft-lb with 30WT oil.
Use torque sequence from the service manual. Torque only to the spec above, do NOT turn an additional 90 degrees.
| Vehicle Make | Engine Code |
| Toyota | 1.8L 1ZZ-FE 1.8L 2ZZ-GE |
| Lotus | 1.8L 1ZZ-FE 1.8L 2ZZ-GE |
| Type | Ships From | Est. Lead Time |
| Drop Ship | USA, Central | Ships in 1-3 business days |