ARP Subaru EJ Series DOHC Custom Age Head Stud Kit

ARP Subaru EJ Series DOHC Custom Age Head Stud Kit

Subaru WRX & STi (EJ20 and EJ25) Head Studs CUSTOM AGE 625 PLUS®: This newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation.

ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+.

Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field.

Features

• 625 Super-Alloy
• Tensile strength: 260,000+ PSI
• Recognizing Head Stud Failures

Applications

• Subaru WRX & STi (EJ20 and EJ25)

What’s Included

• ARP head studs
• Parallel ground washers
• 8740 chromoly steel 12pt nuts
• (1) .5 oz. pack of ARP Ultra-Torque fastener assembly lubricant

Product Details

• Manufacturer part number: 260-4704
• ARP Warranty