Supertech Forged Connecting Rods
Built to Endure. Designed to Perform.
Supertech connecting rods are engineered for the Toyota FR-S 4U-GSE is optimized using CAD and Finite Element Analysis (FEA) to achieve superior balance, fatigue resistance, and strength-to-weight ratio. Whether you’re building a high-boost turbo engine or a naturally aspirated race motor, Supertech rods deliver reliability at every RPM.
Precision Manufacturing & Engineering
- Forged 4340 Alloy Steel – heat-treated and shot-peened for maximum strength and fatigue life.
- H-Beam and I-Beam Designs – optimized for specific power levels and engine characteristics.
- In-House CAD & FEA Design – ensures ideal geometry, stress distribution, and consistent performance.
- Precision CNC Machining – guarantees dimensional accuracy and perfect bearing alignment.
- Rated up to 250 HP per Cylinder – depending on ARP fastener selection.
H-Beam Connecting Rods
Supertech’s H-Beam Connecting Rods combine low weight and high strength for exceptional high-RPM stability. Each rod set is balanced to tight tolerances for smooth performance under extreme boost or compression loads.
- Made from 4340 forged steel with heat treatment and shot peening.
- Comes standard with ARP 2000 bolts (220,000 psi clamp load).
- Optional ARP 625+ bolts rated up to 280,000 psi for extreme power builds.
- Typical weights: 520–550g per rod, depending on application.
- Ideal for turbocharged, supercharged, or endurance race engines.
I-Beam Connecting Rods
The I-Beam series offers additional rigidity and stiffness for high-compression or boosted setups where maximum structural integrity is essential. The robust beam profile minimizes flex under load while maintaining precise crank-to-piston alignment.
- Forged from 4340 steel with tapered beams for weight reduction.
- Available with ARP 2000 or ARP 625+ fasteners.
- Machined for high flow and oiling efficiency in endurance or track conditions.
- Balanced in sets to ±1g tolerance.
Popular Applications
Supertech connecting rods are available for popular engines including Honda K-Series, Toyota B58 / 4U-GSE, Subaru FA20, Nissan SR, BMW B48 / 54 , and VW/Audi 1.8T / EA113.
Designed for OEM fitment with race-grade performance, each kit includes matched rods, precision hardware, and installation-ready specifications.
Complete Your Build
Combine Supertech rods with Forged Pistons, MLS Head Gaskets, and High Performance Valve Spring Kits for a complete, balanced engine assembly.