Engineered for high-horsepower BMW B58B30B builds, these Brian Crower ProH625K HD connecting rods are designed to handle the extreme cylinder pressures of high-boost forced induction and competitive racing. The ProH625K series features a heavy-duty H-beam profile manufactured from premium 4340 steel alloy, providing superior fatigue life and dimensional stability compared to factory components.

This ProH625K HD kit is specifically equipped with ARP625+ Custom Age fasteners. These ultra-high-strength bolts provide the necessary clamping force to maintain rod bearing integrity and prevent cap walk under extreme RPM and torque loads. Whether you are building a street-performance engine or a dedicated track car, these rods offer the structural security required for the B58 platform.

• Manufacturer Part Number: BC6321HD
• Engine Fitment: BMW B58B30B
• Rod Length: 5.830 inches
• Fastener Type: ARP625+ Custom Age
• Series: ProH625K Heavy Duty (HD)
• Material: 4340 Steel Alloy

Fits BMW B58B30B engines.

The Brian Crower ProH2K HD series connecting rods are engineered for the high-cylinder pressures and increased RPM demands of performance BMW B58 builds. As a heavy-duty variant within the ProH2K line, these rods provide the essential structural integrity required for high-horsepower applications where factory components may fail.

Every set includes premium ARP2000 fasteners, ensuring superior clamping force and rod cap stability under extreme loads. These 5.830-inch rods are a direct-fit solution for professionals and enthusiasts building reliable, high-output B58 powerplants.

• Manufacturer Part Number: BC6320HD
• Series: ProH2K HD
• Length (Center to Center): 5.830in
• Fasteners: ARP2000 Included
• Application: BMW B58B30B

Fits select 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 (2JZ-GE / 2JZ-GTE).

Brian Crower BC625+ Heavy Duty connecting rods are engineered for high-horsepower 2JZ builds that demand superior tensile strength and reliability under extreme cylinder pressures. Forged from aerospace-grade 4340 chromoly steel, these H-beam rods undergo extensive CNC machining and shot-peening to ensure consistent grain flow and surface integrity. The Heavy Duty series features additional material thickness in critical areas, providing the rigidity required to handle massive torque loads in high-boost forced induction applications.

This set is equipped with premium ARP Custom Age 625+ fasteners. These bolts offer significantly higher clamping force and fatigue life compared to standard ARP2000 hardware, making this rod set the definitive choice for professional-level engine builds pushing the limits of the 2JZ platform.

• Material: Forged 4340 Chromoly Steel
• Rod Length (C-to-C): 5.590" (142mm)
• Hardware: ARP Custom Age 625+ Fasteners
• Beam Style: Heavy Duty H-Beam design
• Engine Fitment: Toyota/Lexus 2JZ-GE and 2JZ-GTE
• Manufacturer Part Number: BC6309HD

Fits select 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 equipped with 2JZ-GE or 2JZ-GTE engines.

Engineered for high-horsepower builds, Brian Crower Heavy Duty (HD) series connecting rods provide the structural integrity required for forced induction and high-RPM 2JZ applications. These rods are a direct performance upgrade for the factory rotating assembly, featuring a 5.590-inch center-to-center length. To ensure maximum clamping force and prevent rod cap separation under extreme stress, each rod is equipped with genuine ARP2000 fasteners.

• Manufacturer Part Number: BC6305HD
• Series: Heavy Duty (HD)
• Center-to-Center Length: 5.590 inches
• Fasteners: ARP2000 rod bolts
• Engine Application: Toyota/Lexus 3.0L Inline-6 (2JZ-GTE / 2JZ-GE)

Engineered for the high-revving demands of the Nissan RB26DETT engine, these Brian Crower Sportsman series connecting rods provide the structural integrity required for high-horsepower and forced induction builds. These rods are manufactured from high-strength forged steel, designed to withstand the increased cylinder pressures and inertial forces that can compromise factory components during aggressive use.

Each rod features a 4.783-inch center-to-center length and comes equipped with premium ARP2000 fasteners. These bolts offer significantly higher tensile strength and fatigue resistance than standard hardware, ensuring the rotating assembly remains secure under extreme stress. Whether you are performing a precision engine refresh or a complete bottom-end build, these Brian Crower rods provide a reliable, race-proven foundation.

• Manufacturer Part Number: BC6239
• Product Line: Sportsman Series
• Engine Application: Nissan RB26DETT
• Center-to-Center Length: 4.783"
• Hardware Included: ARP2000 Fasteners

Fits select 2002-2017 Nissan Altima, Maxima, Murano, Quest, 350Z, and Infiniti FX35, G35, JX35, and M35 (VQ35DE 3.5L V6).

Engineered for high-performance engine builds, Brian Crower bROD series connecting rods provide the structural integrity required for increased horsepower and high-RPM operation. These rods are manufactured from high-tensile strength materials and come equipped with premium ARP2000 fasteners, which are essential for maintaining clamping force under extreme cylinder pressures and preventing rod bolt failure.

• Manufacturer Part Number: BC6229
• Center-to-Center Length: 5.675 inches
• Includes ARP2000 rod bolts for maximum tensile strength
• Precision balanced and matched sets for consistent engine performance
• Direct replacement for VQ35DE engine applications

Fits select 2007-2012 Nissan 350Z and Infiniti EX35, FX35, G35, and M35/M35h (VQ35HR).

Brian Crower Sportsman Series connecting rods are engineered to provide the strength and reliability required for high-performance VQ35HR engine builds. Designed as a robust alternative to factory units, these rods are built to handle increased RPM and power levels while mitigating the fatigue and failure risks associated with stock components.

Each rod is precision-machined to exacting tolerances, making them an essential upgrade for rotating assemblies in forced induction or high-compression naturally aspirated applications. This set comes equipped with premium ARP2000 fasteners to ensure maximum clamping force and rod cap stability under extreme loads.

• Manufacturer Part Number: BC6227
• Series: Sportsman
• Rod Length: 5.974in
• Fasteners: Includes ARP2000 bolts
• Engine Application: Nissan VQ35HR

Fits select 2008-2017 Nissan 370Z and Infiniti G37, M37, Q40, Q50, Q60, Q70, QX50, and QX70 (VQ37HR 3.7L).

Brian Crower Sportsman series connecting rods are engineered to provide the structural integrity required for high-performance builds. Designed specifically for the Nissan VQ37HR engine platform, these rods serve as a critical upgrade for enthusiasts pushing past the limits of factory components. Whether you are building for high-RPM naturally aspirated response or forced induction reliability, these rods offer the strength needed to protect your rotating assembly.

Each rod set is manufactured with precision tolerances to ensure consistent balance and fitment. This kit includes premium ARP 2000 fasteners, providing superior clamping force and fatigue life compared to standard hardware.

• Manufacturer Part Number: BC6225
• Rod Length: 5.886 inches
• Fasteners: High-strength ARP 2000 bolts included
• Engine Compatibility: Nissan VQ37HR (3.7L V6)
• Application: Suitable for high-horsepower and high-torque builds

Fits select 2008-2017 Nissan 370Z and Infiniti models including G37, Q50, Q60, and Q70 (VQ37HR 3.7L engine).

Brian Crower connecting rods are engineered to handle the increased cylinder pressures of high-horsepower and high-RPM VQ37HR builds. These BC6224 rods feature a center-to-center length of 5.886 inches, providing a precise fitment for the 3.7L rotating assembly. To ensure maximum clamping force and fatigue resistance under extreme loads, this set is equipped with premium ARP Custom Age 625+ fasteners.

• Manufacturer Part Number: BC6224
• Rod Length: 5.886 inches
• Fasteners: High-tensile ARP 625+ bolts included
• Engine Application: Nissan VQ37HR (3.7L V6)
• Direct replacement for factory rods in performance applications

Fits select 1991-1999 Dodge Stealth R/T Turbo and Mitsubishi 3000GT VR-4 / Spyder VR-4 (6G72).

Brian Crower bROD Series connecting rods are engineered for high-performance Mitsubishi 6G72 builds requiring a significant increase in tensile strength over OEM components. These rods provide the durability needed for high-boost and high-RPM environments where factory rods are prone to bending or failure. CNC machined for exact tolerances, they feature a precision-honed pin bore and big end to ensure proper bearing crush and oil clearance.

Every set includes premium ARP2000 fasteners, offering much higher clamping force than standard rod bolts to prevent cap walk under extreme loads. These are a direct-fit solution for the 6G72 engine found in the 3000GT and Stealth platforms.

• Manufacturer Part Number: BC6149
• Center to Center: 5.548"
• Big End Width: 0.820"
• Pin End Bore: 0.866"
• Fasteners: ARP2000 Rod Bolts
• Engine Series: Mitsubishi 6G72 Twin Turbo

Engineered for high-performance Toyota 2JZ engine builds, the BoostLine Connecting Rod Kit (TY5591-866) is designed to withstand the extreme cylinder pressures of high-boost and forced induction applications. These 142mm rods provide the structural integrity and precision tolerances required for reliable power delivery in competitive environments.

By utilizing a design that optimizes the strength-to-weight ratio, BoostLine rods offer superior resistance to bending and fatigue compared to standard OE components. This kit is a direct upgrade for enthusiasts looking to push their 2JZ platform to its mechanical limits while maintaining a stable rotating assembly.

• Application: Fits Toyota 2JZ series engines
• Rod Length: 142mm center-to-center
• Optimized for high-horsepower and high-boost applications
• Precision manufactured for consistent balance and fitment
• Manufacturer Part Number: TY5591-866

Fits BMW B58B30 engines.

Designed specifically for high-boost and high-horsepower applications, the BoostLine Connecting Rod Kit (MPN: BM5834-866+) features a patented three-pocket design that provides incredible strength while managing rotating mass. These rods are forged from high-quality 4340 steel to withstand the extreme cylinder pressures common in modified B58 builds.

This kit is upgraded with premium ARP625+ Custom Age rod bolts, offering significantly higher tensile strength than standard hardware for maximum bottom-end reliability. These are essential for tuners pushing the limits of the B58 platform in track or high-output street applications.

• Engine Application: BMW B58B30
• Center-to-Center Length: 148.18mm
• Hardware: ARP625+ Custom Age Bolts
• Material: Forged 4340 Steel
• Design: Patented 3-pocket forged beam
• Manufacturer Part Number: BM5834-866+

Fits BMW S54B32 3.2L engines.

The BoostLine Connecting Rod Kit (BM5472-827) is engineered specifically for high-output BMW S54 builds where standard H-beam rods might fail. Featuring a patented three-pocket design, these rods provide the high-strength benefits of an I-beam with the weight-saving characteristics of an H-beam, making them ideal for high-revving, turbocharged, or supercharged applications. Manufactured from premium forged 4340 steel, these 139mm rods are designed to withstand extreme cylinder pressures while maintaining precise tolerances.

• Manufacturer Part Number: BM5472-827
• Engine Application: BMW S54B32 (3.2L)
• Center-to-Center Length: 139.00mm
• Material: Forged 4340 Steel
• Design: Patented 3-Pocket High-Strength Profile
• Quantity: Set of 6 Rods
• Purpose-built for forced induction and high-horsepower racing applications