Fits 1989-2012 Cummins 5.9L and 6.7L diesel engines.

This BoostLine connecting rod kit is engineered to withstand the extreme cylinder pressures and high torque loads common in performance diesel applications. Precision-manufactured to a 7.559-inch length, these rods provide a significant strength upgrade over factory components, making them a critical addition for modified 5.9L and 6.7L Cummins builds where structural integrity is paramount.

• Manufacturer Part Number: DO7559-575
• Rod Length: 7.559 in
• Engine Compatibility: 5.9L / 6.7L Cummins Diesel
• Model Years: 1989-2012
• Product Type: Performance Connecting Rod Kit

Designed for high-boost and extreme-torque applications, this BoostLine Connecting Rod Kit (VW5670-866+) provides the structural integrity required for the Audi TT RS 5-cylinder engine. BoostLine rods utilize a patent-pending 3-pocket design that combines the best attributes of H-beam and I-beam profiles, offering a massive increase in bending stiffness for forced induction builds.

Each rod is forged from premium 4340 steel and features high-strength ARP Custom Age 625+ fasteners to ensure maximum clamping force under high cylinder pressures. These rods are precision-machined to exacting tolerances, providing a reliable foundation for enthusiasts pushing the limits of the 5-cylinder platform.

• Center-to-Center Length: 144mm
• Wrist Pin Diameter: 22mm
• Hardware: ARP Custom Age 625+ Bolts
• Material: Forged 4340 Steel
• Application: Audi TT RS 5-Cylinder
• Manufacturer Part Number: VW5670-866+

Engineered specifically for high-load applications, the BoostLine VW5670-866 connecting rod kit provides the structural integrity required for the Audi TT RS 5-cylinder engine. These rods are designed to handle the increased cylinder pressures of forced induction builds, featuring a 144mm center-to-center length and a 22mm wrist pin diameter.

• Length: 144mm (Center-to-Center)
• Wrist Pin Diameter: 22mm
• Engine Configuration: 5-Cylinder
• MPN: VW5670-866

Each rod is precision-machined to exacting tolerances to ensure consistent balance across the set, providing the reliability needed for high-RPM and high-boost 2.5L TFSI platforms. This kit replaces factory rods with high-strength components capable of supporting significant power increases in both street and track environments.

Fits VW 2.0T TSI engines.

The BoostLine connecting rod kit is engineered specifically for high-horsepower forced induction applications where reliability is paramount. These rods feature a signature three-pocket design that maximizes strength-to-weight ratios, providing the rigidity required to handle increased cylinder pressures in modified 2.0T TSI builds. Forged from high-quality steel and finished to exacting tolerances, they serve as a direct upgrade over factory components to prevent rod failure during high-boost operation.

• Manufacturer Part Number: VW5669-905+
• Center-to-Center Length: 144mm
• Wrist Pin Diameter: 23mm
• Hardware Included: ARP 625+ Custom Age fasteners
• Engine Compatibility: 2.0T TSI
• Construction: Patent-pending 3-pocket forged design

Strengthen your engine's bottom end with the BoostLine Connecting Rod Kit, engineered specifically for high-output VW 2.0T TSI applications. These rods utilize a patented three-pocket design that combines the best characteristics of I-beam and H-beam rods, providing massive increase in strength to handle high boost levels and increased RPM without unnecessary weight.

• Fits VW 2.0T TSI engines (2.0T)
• Center-to-Center Length: 144mm
• Wrist Pin Diameter: 23mm
• Forged construction for extreme durability in forced induction setups
• Equipped with high-strength ARP rod bolts
• Manufacturer Part Number: VW5669-905

Designed specifically for high-output forced induction builds, the BoostLine Connecting Rod Kit (MPN: VW5669-866) provides the structural integrity required for modified Volkswagen 2.0T TSI engines. These rods are engineered to manage the increased cylinder pressures and torque loads found in high-boost applications where factory components often reach their failure point.

• Engine Application: Volkswagen 2.0T TSI
• Center-to-Center Length: 144mm
• Wrist Pin Diameter: 22mm
• Manufacturer Part Number: VW5669-866
• Ideal for high-horsepower street and track builds

Each rod is manufactured to exacting tolerances to ensure consistent balance and fitment within the rotating assembly. This kit is a direct performance upgrade for builders looking to reinforce the bottom end of their 2.0T engine for long-term reliability under extreme conditions.

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

Engineered specifically for high-performance forced induction applications, this BoostLine Connecting Rod Kit provides the structural integrity needed for high-boost Subaru EJ20 and EJ25 turbo engines. These rods are designed to bridge the gap between traditional H-beam and I-beam designs, offering superior strength-to-weight ratios for demanding builds.

• Direct fit for Subaru EJ20 and EJ25 Turbocharged engines
• Center-to-Center Length: 130.5mm
• Manufactured from high-strength forged steel for maximum durability
• Designed to handle increased cylinder pressures in extreme turbo applications
• Precisely balanced for high-RPM stability
• Manufacturer Part Number: SB5137-905

Engineered for high-boost and extreme horsepower applications, the BoostLine Connecting Rod Kit (LS6125-927) provides the structural integrity required for high-performance rotating assemblies. Designed specifically for Chevy LS and Gen V LT1 engines, these rods utilize a patent-pending 3-pocket design to maximize strength-to-weight ratios and improve durability under heavy cylinder pressures.

• Vehicle Fitment: Chevy LS and Gen V LT1 engines
• Length: 6.125 in
• Wrist Pin Diameter: .927 in
• MPN: LS6125-927

This kit is the ideal solution for forced induction or nitrous builds where factory components are the weak link. Each rod is precision-machined to exacting tolerances to ensure consistent performance and reliable fitment during your engine assembly.

Engineered for high-boost and high-horsepower applications, this BoostLine Connecting Rod Kit (HN5658-866) is designed specifically for the Honda K20C engine platform. These rods utilize a patented three-pocket design that provides the massive rotating mass strength of an I-beam while maintaining the weight efficiency needed for high-RPM stability.

• Engine Compatibility: Honda K20C
• Center-to-Center Length: 143.66mm
• Construction: High-strength forged steel
• MPN: HN5658-866
• Ideal for turbocharged and high-compression performance builds

Designed for high-horsepower Honda B18C engines, the BoostLine 138mm Connecting Rod Kit is engineered to withstand the extreme cylinder pressures of forced induction and high-compression builds. These rods bridge the gap between traditional H-beam and I-beam designs, offering superior strength for turbocharged or supercharged applications.

Each rod features a unique, patent-pending 3-pocket design forged from high-quality 4340 chromoly steel. This hybrid geometry provides the massive kinetic energy absorption of an I-beam while maintaining a competitive weight profile. Precision-machined to exacting tolerances, this kit ensures reliable performance under the most demanding racing conditions.

• Center-to-Center Length: 138mm
• Engine Application: Honda B18C
• Material: Forged 4340 Chromoly Steel
• Hardware: Includes premium high-strength ARP 2000 rod bolts
• Design: Patent-pending 3-pocket hybrid geometry
• Manufacturer Part Number: HN5433-827

This BoostLine Connecting Rod Kit is specifically engineered for high-performance Ford Modular 4.6L and Coyote engine builds. Featuring a 5.933-inch length, these rods are designed to handle the extreme cylinder pressures associated with high-boost and high-RPM applications. By utilizing a specialized patent-pending three-pocket design, BoostLine provides the reliability of a heavy-duty power-adder rod with the weight profile needed for responsive performance.

Ideal for forced induction or nitrous-fed engines, these rods provide a significant strength upgrade over factory components, ensuring the integrity of your rotating assembly under heavy load. This kit includes the necessary hardware to secure your bottom end for competitive use.

• Fits Ford Modular 4.6L and Coyote engines (4.6L)
• Connecting Rod Length: 5.933 in
• Designed for high-horsepower forced induction builds
• Manufacturer Part Number: FD5933-866

Engineered specifically for forced induction and high-horsepower applications, the BoostLine Connecting Rod Kit for Dodge Gen 3 HEMI engines provides the structural integrity required for extreme performance. These rods feature a patented three-pocket design that provides the massive strength of an I-beam with the weight savings of an H-beam, significantly increasing lateral stiffness to prevent rod failure under high boost or nitrous loads.

• Forged from high-strength 4340 steel for superior fatigue resistance
• Patented 3-pocket design maximizes strength-to-weight ratio
• Equipped with premium ARP2000 cap screws for high clamping force
• Precision machined to exacting tolerances for consistent balance across all rods
• Center-to-Center Length: 6.200 in
• Manufacturer Part Number: CH6200-927

Engineered specifically for high-boost and high-power applications, this BoostLine Connecting Rod Kit is designed for Dodge Gen 3 Hemi engines. These rods feature a patented three-pocket design that provides a massive increase in bending strength compared to traditional H-beam designs, making them ideal for forced induction or nitrous builds where cylinder pressures are extreme.

• Center-to-Center Length: 6.125 inches
• Construction: Forged from high-strength 4340 steel
• Hardware: Includes premium ARP2000 7/16-inch rod bolts
• Design: Patented 3-pocket design for superior torque and HP capacity
• Fitment: Fits Dodge Gen 3 Hemi engines
• Manufacturer Part Number: CH6125-927

Each rod is precision machined and finished to exacting tolerances, ensuring consistent balance and reliable performance under the most demanding racing conditions. Whether you are building a street-driven forced induction Hemi or a dedicated drag car, these BoostLine rods provide the structural integrity required to protect your rotating assembly.

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