Reinforced Head Studs ARP kit Suzuki 1.6 125hp M16A

This kit of reinforced head studs for Suzuki 1.6 125hp M16A consists of 10 ARP studs, 10 ARP washers and 10 ARP nuts.

Installation instructions are available in the "Downloads" tab above.

Born from the aerospace industry, Gary Holzapfel created the ARP (Automotive Racing Products) brand in the early 1970s to address a major motorsports problem: engine failure due to inadequate fasteners. At that time, no manufacturer could meet these needs. Today ARP offers thousands of references in different product grades and types such as head bolts, crankshaft main bolts, connecting rod bolts. Depending on the application, ARP offers different fastener grades (materials):

• 8740: Chrome-molybdenum steel with standard strength properties, fully adequate for prepared engines. This steel offers tensile strength between 1240 and 1447 N/mm2.
• ARP2000: More resistant than 8740, the ARP2000 alloy can support clamping/tensile loads up to 1516 N/mm2. This fastener grade is frequently used on track and drag cars and can be used with hydrogen.
• L19: Superior-quality treated steel offering significantly higher tensile and fatigue strength than 8740 and ARP2000 grades. Its tensile strength can reach 1792 N/mm2. This material is more corrosion-sensitive and must remain oiled and protected from humidity. Hydrogen use is not recommended with this grade.
• CA625+ (Custom Age 625 More): This "super-alloy" offers significantly superior technical properties while being corrosion and oxidation-resistant. Its tensile strength can reach 1930 N/mm2.

All ARP fasteners are designed and manufactured in the United States. ARP fastener manufacturing begins with cold or hot forging, followed by heat treatment (varies by grade) and shot peening to remove irregularities. Precision grinding follows to achieve perfect concentricity, then threading. Finally, finishing where coatings are applied such as chrome-molybdenum black oxide or stainless polish depending on the product grade.

Each kit includes assembly lubricant and instructions indicating:

• Installation steps
• Fastener specifications
• Torque specifications
• Torque sequence procedure