ARP Head Stud Kits

Multiple Saturn Fitments 1991–2002 / 1991–2002 Saturn SL / SC / SW / VUE 1.9L

Part #: 165-4201

Overview

The ARP Head Stud Kit from the Pro Series is designed to provide a reliable and high-strength fastening solution for your Saturn engine. Engineered for enthusiasts and professionals alike, these head studs ensure that your cylinder head remains securely in place under demanding conditions, whether you're building a performance street engine or preparing for high-boost applications. With ARP's reputation for quality and durability, this kit helps support increased horsepower and torque, while maintaining proper head gasket sealing and consistent torque readings.

Ideal for rebuilds, performance upgrades, or restoring factory specifications, these head studs are crafted to withstand the rigors of high-performance driving. They are a perfect choice for those seeking to improve engine reliability and ensure proper clamping force during assembly and operation.

Key Features

ARP's Pro Series cylinder head bolts are manufactured with precision and attention to detail, offering several key benefits:

• Made from 8740 chromoly steel, these studs deliver exceptional strength and fatigue resistance, rated at an impressive 190,000 psi tensile strength.
• Cold-forged to ensure molecular integrity, providing consistent performance and durability over the lifespan of your engine.
• Heat-treated prior to thread rolling and machining, optimizing the material properties for maximum strength and resilience.
• Complete with hardened parallel washers for even load distribution, ensuring accurate torque readings and reducing the risk of head gasket failure.
• Available with hex and 12-point heads, offering versatile installation options to suit your preference and tool availability.
• Designed for multiple Saturn models, including the SL, SC, SW, and VUE with 1.9L engines, spanning model years 1991 through 2002.
• Engineered to provide a secure, consistent clamping force, helping prevent head gasket leaks and maintaining proper engine compression.
• Suitable for both stock rebuilds and high-performance applications where head bolt strength is critical.
• All kits come complete with everything needed for installation, ensuring a straightforward upgrade process.

Construction & Design

The ARP Head Stud Kit features a robust design utilizing high-quality 8740 chromoly steel, known for its excellent strength-to-weight ratio and durability. The cold-forging process aligns the steel's molecular structure, significantly enhancing its tensile strength and fatigue life. Heat treatment further refines the material properties, ensuring the studs can withstand the high stresses encountered during engine operation.

The inclusion of hardened parallel washers ensures even load distribution across the cylinder head, reducing the risk of warping or gasket failure. The 12-point and hex head options provide flexibility during installation, allowing for easier access in tight engine bays or specific assembly preferences. Overall, the design emphasizes reliability, longevity, and precise torque control, making these studs a trusted choice for serious engine builders.

Performance & Reliability

While not explicitly rated for increased horsepower, these ARP head studs are engineered to support the integrity of your engine's head gasket seal under high-stress conditions. Their high tensile strength and consistent load distribution help prevent head gasket leaks, maintain proper compression, and improve overall engine reliability. Whether you're restoring a stock engine or pushing your Saturn to higher performance levels, these studs provide the peace of mind that your cylinder head remains securely fastened.

Installation & Fitment

The ARP Head Stud Kit is designed for a straightforward, bolt-on installation, compatible with factory or aftermarket cylinder heads on Saturn models equipped with 1.9L engines from 1991 to 2002. No special modifications, cutting, or drilling are required. Proper torque sequence and specifications should be followed as per ARP's instructions to ensure optimal clamping force and sealing performance. Using ARP's assembly lube during installation is recommended to achieve accurate torque readings and prevent thread galling.

• Easy to install with standard hand tools.
• Designed to fit multiple Saturn models with 1.9L engines from 1991–2002.
• No additional modifications or tuning required.

What's Included

• Complete set of ARP Pro Series head studs
• Hardened parallel washers
• All necessary hardware for installation
• Installation instructions

Ideal For

• Engine rebuilds and restorations
• High-performance street builds
• Forced induction or turbocharged applications
• Enthusiasts seeking reliable, high-strength fasteners for their Saturn engine

Emissions Note

This product is designed for off-road or racing use only and may not be legal for use on public roads in all jurisdictions. Please verify local regulations before installation.