The ARP 203-4203 Pro Series Head Stud Kit is designed for the Toyota 1.6L DOHC 4AGE 20-valve engine, delivering unmatched strength and reliability for high-performance applications. These studs are ideal for engines that undergo frequent disassembly or operate under extreme conditions.

Manufactured from premium 8740 chrome moly steel, each stud is heat-treated to a tensile strength of 200,000 psi, then thread-rolled after heat treatment for superior fatigue resistance. The black oxide finish enhances corrosion protection, while the centerless ground design ensures precise fitment and alignment.

Using studs instead of bolts provides more accurate and consistent torque loading, helping to maintain proper cylinder head alignment and sealing. This makes the ARP 203-4203 kit a must-have for serious engine builders and racers alike.

Package Contents:

• ARP 8740 NiCrMo Steel Head Stud (10)
• ARP Parallel-Ground Hardened Washers (10)
• ARP 12-Point Nuts (10)
• ARP Moly-Lube (1)
• Detailed installation instructions (1)