BoostLine TY5591-866+ Forged 4340 Connecting Rods for Universal Fitment

Vehicle Fitment

• Universal Fitment

Features

• Forged 4340 Chromoly steel for superior strength and durability
• Precision-machined surfaces for exact tolerances and optimal balance
• Lightweight design reduces reciprocating mass for improved engine response
• Patented three-pocket I-beam design enhances strength while minimizing weight
• Includes ARP 2000 high-strength rod bolts for secure clamping
• Heat-treated and shot-peened for superior fatigue resistance
• Protective coating prevents corrosion and extends lifespan
• Capable of handling high-RPM and high-performance engine applications

Specifications

• Rod Length (Center-to-Center): 5.591 inches
• Small End Bore: 0.866 inches
• Weight: Approximately 610 g per rod
• Material: Forged 4340 Chromoly Steel
• Fasteners: ARP 2000 Rod Bolts included
• Design: Three-Pocket I-Beam
• Application: Performance and racing engines
• Inspection: Each rod inspected for critical dimensions

Included Components

• 4x BoostLine TY5591-866+ Connecting Rods
• 4x ARP 2000 Rod Bolts
• 1x Inspection Card with critical measurements

Product Description

The BoostLine TY5591-866+ Connecting Rod Kit is designed for high-performance and racing applications, providing exceptional strength and durability. Forged from premium 4340 Chromoly steel and heat-treated, these rods are built to withstand extreme stress and high-RPM conditions.

With a patented three-pocket I-beam design and precision machining, these rods maintain structural integrity while reducing weight, improving engine efficiency and response. Each rod is carefully balanced for consistent performance.

This universal-fit kit includes ARP 2000 rod bolts and an inspection card to verify critical dimensions, making it ideal for custom engine builds, turbocharged setups, or nitrous applications where reliability and strength are essential.