9MM ARP 2000

HEAD STUD KIT

$249.00

Stronger than the OEM Stretch Bolts. Good for up to 250HP and higher boost applications (have been run up to 40lbs of boost)

XR SERIES 9MM CUSTOM AGE 625

HEAD STUD KIT

$380.64

XR Series Components are used by the Evolution Racing Team in all their race vehicles. These XR Series 9mm direct replacement head studs are designed for those wanting the ultimate strength for 250-320 horsepower builds. Includes head studs, nuts, and washers for the ultimate direct replacement head stud kit.

Why the EVP XR Series CA-625 studs are superior to other studs on the market:

• Direct replacement 9mm head stud - Easy installation 
• Made from ARP CA-625 alloy - This super-alloy has superior fatigue cycle life, tensile strength and toughness which is rated to 260,000 psi tensile strength. For comparison, a typical 8470 chromoly stud is roughly 170,000 psi. More thread engagement into the engine block compared to other studs.
• Direct replacement 9mm head stud - Easy installation 
• Made from ARP CA-625 alloy - This super-alloy has superior fatigue cycle life, tensile strength and toughness which is rated to 260,000 psi tensile strength. For comparison, a typical 8470 chromoly stud is roughly 170,000 psi 
• More thread engagement into the engine block compared to other studs
• Includes head studs, nuts, and washers for the ultimate direct replacement head stud kit

XR SERIES 9-10MM CUSTOM AGE 625

HEAD STUD KIT

$499.00

NEED NEW COPY/BULLETS HERE - CONNELLY