ARP Custom Age 625+ Head Stud Kit Toyota 3S-GTE Celica GT-Four (ST165 / ST185 / ST205) / MR2 Turbo (SW20)

ARP Custom Age 625+ Head Stud Kit - Toyota 3S-GTE - Celica GT-Four (ST165 / ST185 / ST205) / MR2 Turbo (SW20)

This ARP head stud kit suits the 3S-GTE engine in the Toyota Celica GT-Four / MR2 Turbo. It swaps the factory head bolts for studs, nuts and washers. The studs are wound into the block by hand and the head is clamped by torquing the nuts, which gives more even, repeatable clamping than factory stretch bolts and saves wear on the block threads each time the head comes off.

More clamping load helps the head gasket seal against high cylinder pressure, which is why head studs are one of the first parts fitted to a boosted or high-compression build.

Material: Custom Age 625+ super-alloy rated at 260,000–280,000 psi tensile strength.

See the Vehicle Fitment tab for the full list of vehicles.

Note: Installation by a professional is recommended.

Features

• Made in the USA by ARP
• Custom Age 625+ super-alloy, 260,000–280,000 psi
• Thread / diameter: M10 x 1.25
• ARP torque spec: 80 ft-lb (108 Nm) in three steps with ARP Ultra-Torque
• Installation instructions available from ARP (see Technical Specifications)

Pairs Well With

• ARP 12-Point Head Stud Kit
• ARP Main Stud Kit
• ARP Flywheel Bolt Kit

Shop more: ARP

Need help choosing parts? Contact our team at sales@chicaneaustralia.com.au.