ARP 3347202 Pro Series Black Oxide Moly Steel Rocker Arm Stud Kit

Description

h2>Product Overview

ARP 3347202 Pro Series Rocker Arm Stud Kit is engineered for high-performance engines using premium 8740 chrome moly steel. These studs are heat-treated to 200,000 psi tensile strength and manufactured to tight tolerances for consistent, straight seating. The large radius base enhances resistance to flex, while the exact lengths ensure positive seating every time. Designed for use with ARP’s patented Perma-Loc adjusters, these studs are ideal for competition and high-output applications. The 7/16-20 UNC thread and 0.44-inch diameter provide secure fastening with reliable torque retention.h2>Usage

These studs are designed for high-performance engines in racing, drag, and street performance applications. Ideal for modified or high-horsepower engines where reliability and precision are critical. Compatible with ARP Perma-Loc adjusters, they are not suitable for OEM-style self-locking nuts. Installers should use ARP’s recommended torque specifications to ensure optimal performance and safety.h2>Why Choose Us

ARP is a trusted name in performance engine components, known for precision engineering and durability. These studs are manufactured to exacting tolerances for consistent fit and function. The 8740 chrome moly steel ensures exceptional strength and resistance to fatigue. The large radius base reduces flex under load, while the heat-treated finish enhances longevity. ARP offers comprehensive technical support and detailed installation guides to ensure proper use.h2>Key Features

• Engineered from premium 8740 chrome moly steel for superior strength and durability
• Heat-treated to 200,000 psi tensile strength for high-performance applications
• Large radius base resists flex and ensures consistent seating under load
• Exact lengths and precise tolerances for positive, repeatable installation
• Compatible with ARP Perma-Loc adjusters for optimal performance and support

h2>FAQ

What material are these studs made from?

These studs are made from premium 8740 chrome moly steel, heat-treated to 200,000 psi tensile strength for maximum durability and performance.

Are these studs compatible with OEM nuts?

No, these studs are designed for use with ARP’s patented Perma-Loc adjusters and are not compatible with OEM-style self-locking nuts.

What is the thread size?

The thread size is 7/16-20 UNC, with a 7/16-14 base diameter and thread for secure fastening.

What is the overall stud height?

The overall stud height is 2.100 inches, with 0.850 screw-in thread depth and 0.800 adjuster thread depth.

What is the head style?

The head style is round with a pan head design for optimal torque distribution and surface contact.