Brian Crower CONNECTING RODS - BC625+ Fasteners

Applicable for Mitsubishi 4G63/4G64 Engines, 6.141"/1.038"/.866"

Part #: BC6110

Overview

The Brian Crower CONNECTING RODS - BC625+ Fasteners are high-performance internal engine components designed specifically for Mitsubishi 4G63 and 4G64 engines. Engineered for enthusiasts seeking to maximize their engine's power potential, these connecting rods are crafted to withstand increased horsepower and torque levels while maintaining exceptional durability and reliability. Whether you're building a stroker motor, upgrading for spirited street driving, or preparing for track use, these rods provide the strength and precision needed for demanding applications.

Constructed with quality materials and precision manufacturing, the BC625+ rods are ideal for those who want to push their Mitsubishi engine to the next level. They are compatible with a range of performance modifications and are suitable for both naturally aspirated and forced induction setups. With their robust design, you'll get improved engine response, increased durability under high-stress conditions, and peace of mind during high RPM operation.

Key Features

The Brian Crower BC625+ connecting rods incorporate several advanced features that set them apart from stock components:

• Manufactured from high-strength forged steel to provide superior fatigue resistance and load-bearing capacity.
• Precisely machined to exact specifications, ensuring optimal fitment and balance for smooth engine operation.
• Designed with a length of 6.141 inches, optimized for performance builds requiring specific stroke and compression ratios.
• Heavy-duty fasteners included, engineered to handle increased clamping loads and prevent bolt stretch under high-stress conditions.
• Engineered to support high horsepower and torque applications, making them suitable for stroker kits and high-performance builds.
• Compatible with a variety of aftermarket pistons and crankshafts, facilitating custom engine configurations.
• Designed with durability in mind, these rods help support increased RPM ranges and aggressive driving styles.
• Finished with precision surface treatments to reduce friction and enhance longevity.
• Backed by Brian Crower's reputation for quality and performance in the automotive aftermarket industry.

Construction & Design

The BC625+ connecting rods are forged from premium-grade steel, ensuring maximum strength and resilience under high-stress conditions. Their one-piece forging process guarantees uniform grain structure and superior fatigue resistance. The rods feature a lightweight yet robust design, achieved through optimized material distribution and precise machining. The big-end and small-end are machined to tight tolerances, ensuring perfect alignment and balance for smooth engine operation.

The fasteners included are high-strength bolts designed to withstand the increased clamping forces necessary for high-performance applications. The rods are finished with a durable coating to resist corrosion and reduce wear over time. Their design incorporates optimized rod length and big-end bore size to support performance modifications, including stroker setups and forced induction systems. Overall, these rods are built to deliver consistent performance, reliability, and longevity in demanding engine builds.

Installation & Fitment

The Brian Crower BC625+ connecting rods are designed as direct replacements for the factory rods in Mitsubishi 4G63 and 4G64 engines. Installation requires standard engine assembly procedures, including proper torque specifications for fasteners. Due to their precise manufacturing, no additional modifications or machining are typically necessary, making them suitable for professional or experienced DIY engine builders. It is recommended to verify clearances and perform proper balancing during assembly to ensure optimal performance and longevity. These rods are ideal for performance builds, stroker conversions, and high-horsepower applications.

• Direct bolt-in replacement for Mitsubishi 4G63/4G64 engines
• No cutting or major modifications required
• Suitable for high-stress, high-RPM engine builds
• Requires proper torque and assembly procedures for optimal results

What's Included

• Set of forged steel connecting rods (quantity as specified for engine rebuild)
• High-strength fasteners for secure clamping
• Installation instructions and torque specifications

Ideal For

• Performance enthusiasts building stroker or high-horsepower Mitsubishi engines
• Engine builders seeking durable, reliable connecting rods for forced induction setups
• DIY mechanics and professional engine builders aiming for high-quality internal components