There are many important reasons to use ARP Pro Series head stud kits for your Toyota 1ZZ-FE engine build, including the USA Made 8740 Chromoly Steel studs, with 180,000 psi rating for an increased cylinder head seal. All kits come complete with hardened parallel-ground washers and high quality fasteners.

FEATURES

• Manufactured from 8740 chrome moly steel
• Heat-treated in-house to 180,000 psi tensile strength
• Precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others.
• USA Made

This kit includes:

• 10 studs
• 10 12-point nuts
• 10 washers
• ARP assembly lube
• Assembly instructions

Torque Spec:

• 70 ft-lb with ARP lube
• 80 ft-lb with 30WT oil

Recommended:

Use torque sequence from the service manual. Torque only to the spec above, do NOT turn an additional 90 degrees.

SPECIFICATIONS

COMPATIBILITY

DELIVERY

REMARKS

• Sample product image shown.