ARP High Performance Series

Part #: 203-6004

Overview

The ARP Rod Bolt Kit for the 1987-1992 Toyota Supra is a high-quality upgrade designed for enthusiasts and professionals seeking enhanced engine reliability and strength. Crafted from seamless, defect-free 8740 chromoly steel, these connecting rod bolts are engineered to withstand the demanding conditions of high-performance applications. Whether you're restoring a stock engine or building a race-ready setup, these bolts provide a durable and dependable solution to ensure your engine's integrity under stress. Their superior material and heat treatment process help prevent failure, making them ideal for a wide range of uses from daily driving to competitive racing. Designed to improve the overall robustness of your engine's connecting rods, these ARP bolts help maintain proper clamping force, reducing the risk of bolt stretch or failure during high RPM or high load conditions. Their precision manufacturing ensures consistent quality and fitment, supporting optimal engine performance and longevity.

Key Features

Designed with strength and durability in mind, the ARP High Performance Series connecting rod bolts feature:

• Made from high-grade 8740 chromoly steel for exceptional toughness
• Seamless, defect-free construction for reliability
• Heat-treated for increased strength and durability
• Large underhead radius to distribute stress evenly
• Passes magnetic inspection testing for quality assurance
• Suitable for stock replacement, racing, marine, and drag applications
• Precision thread rolling and grinding for consistent performance

Construction & Design

The bolts are manufactured from seamless 8740 chromoly steel, a material renowned for its high strength-to-weight ratio and fatigue resistance. The heat treatment process enhances their mechanical properties, ensuring they maintain clamping force under extreme conditions. The large underhead radius design helps distribute stress more evenly across the bolt, reducing the likelihood of failure during high-stress engine operation.

Driving Feel & Feedback

While primarily a performance upgrade, these bolts contribute to a more secure and stable engine assembly, which can translate into smoother operation and improved driver confidence during high-performance driving or racing scenarios.

Installation & Fitment

Installation requires proper torque specifications and should be performed by qualified technicians familiar with high-performance engine assembly. Fitment is designed specifically for the 1987-1992 Toyota Supra, but verification against your engine's specifications is recommended to ensure compatibility.

What’s Included

The package includes a complete set of ARP high-performance connecting rod bolts, ready for installation in your engine.