ARP 300-6703 Connecting Rod Bolt Kit for Universal Applications

Vehicle Fitment

• Universal fitment for connecting rods requiring 3/8" bolts with 1.600" underhead length (UHL)

Features

• Manufactured from ARP Custom Age 625+ alloy steel for superior strength
• Precision CNC-machined to exacting specifications for optimum reliability
• Heat-treated and threads rolled to provide up to ten times more fatigue strength than standard OEM fasteners
• Black oxide finish for improved corrosion resistance
• Designed to withstand high-performance applications, including racing and high-combustion engines
• Includes all necessary hardware for complete installation
• Made in the USA to stringent quality standards
• Sold as a set of 8 bolts

Specifications

• Thread Size: 3/8"
• Underhead Length (UHL): 1.600"
• Thread Length: 0.600"
• Grip Length: 0.145"
• Head Height: 0.365"
• Socket Size: 7/16" 12-point
• Collar Diameter: 0.565"
• Tensile Strength: 260,000 psi

Included Components

• 8x Connecting rod bolts

Product Description

The ARP 300-6703 Connecting Rod Bolt Kit is designed for universal applications requiring 3/8" bolts with a 1.600" underhead length. Manufactured from ARP's Custom Age 625+ alloy steel, these bolts offer superior strength and fatigue resistance, making them ideal for high-performance and racing engines.

Precision CNC-machined to exacting specifications, these bolts are heat-treated and have rolled threads to provide up to ten times more fatigue strength than standard OEM fasteners. The black oxide finish enhances corrosion resistance, ensuring longevity even under extreme conditions.

Sold as a set of 8 bolts, this kit includes all necessary hardware for complete installation. Whether you're building a high-performance engine or performing routine maintenance, the ARP 300-6703 Connecting Rod Bolt Kit is a reliable choice to ensure the integrity and longevity of your engine's connecting rods.