Maxpeedingrods Forged H-Beam Connecting Rods for Toyota 1JZ-GE / 1JZ-GTE

When building a high-performance 1JZ engine, connecting rods must withstand extreme cylinder pressures, elevated RPM, and aggressive motorsport use. The Maxpeedingrods Forged H-Beam Connecting Rods are engineered to provide exceptional strength, durability, and precision for serious street and racing applications.

Manufactured from forged SAE 4340 aircraft-grade chrome moly steel, these connecting rods are specifically designed for high-horsepower turbocharged engines and demanding driving conditions. The H-beam design offers an excellent balance between reduced weight and maximum structural rigidity, helping maintain bottom-end stability under high boost and sustained high-RPM operation.

Each rod is precision CNC-machined and finished using SUNNEN honing equipment to ensure accurate bore geometry and consistent tolerances. Multi-stage heat treatment, shot peening, and comprehensive inspection procedures including X-ray, sonic testing, and magnaflux testing help ensure outstanding reliability in extreme applications.

Supplied with genuine ARP 2000 fasteners and bronze wrist pin bushings for floating pins, these connecting rods are capable of supporting serious power levels between 600–800 PS while operating reliably up to 9000 RPM.

Whether you're assembling a drift car, drag build, circuit setup, or high-performance street engine, these forged rods deliver the durability and precision required to reinforce Toyota’s legendary 1JZ platform.

Carefully selected for builders who demand proven performance without compromise.

Why Upgrade Your Connecting Rods?

Compared to factory connecting rods:

✔ Forged SAE 4340 aircraft-grade chromoly steel construction
✔ H-beam design provides exceptional strength-to-weight ratio
✔ Genuine ARP 2000 fasteners included
✔ Balanced to within ±1 gram per set
✔ Designed for high-boost and high-RPM applications

Key Features

✔ Genuine Maxpeedingrods forged connecting rod set
✔ Forged SAE 4340 Chrome Moly steel construction
✔ H-beam design for maximum durability
✔ Genuine ARP 2000 3/8" rod bolts included
✔ Precision CNC-machined construction
✔ SUNNEN-honed big and small ends
✔ Multi-stage heat treated and shot peened
✔ 100% X-rayed, sonic tested, and magnafluxed
✔ Bronze wrist pin bushings for floating piston pins
✔ Optional ARP L19 fastener upgrade available

Technical Specifications

✔ Brand: Maxpeedingrods
✔ Product Type: Forged H-Beam Connecting Rod Set
✔ Material: Forged SAE 4340 Aircraft Chrome Moly Steel
✔ Rod Design: H-Beam
✔ Quantity: Set of 6 Connecting Rods
✔ Rod Bolts: Genuine ARP 2000 Fasteners Included
✔ Bolt Size: ARP 2000 3/8"
✔ Optional Upgrade: ARP L19 Fasteners
✔ Fastener Strength: 220,000–230,000 PSI
✔ Torque Specification: 48 ft-lbs / 65 Nm
✔ Maximum Recommended RPM: 7000–9000 RPM
✔ Recommended Power Capacity: 600–800 PS per Set
✔ Balancing Tolerance: ±1 g per Rod Set
✔ Piston Pin Bore Tolerance: ±0.004 mm

Dimensions

✔ Center-to-Center Length: 125.25 mm
✔ Big End Diameter: 55 mm
✔ Small End Diameter: 22 mm
✔ Big End Width: 25.9 mm
✔ Small End Width: 25.9 mm

✔ Engine Family: Toyota JZ-Series

Compatible Engines

✔ 1JZ-GE
✔ 1JZ-GTE

Shipping

🇪🇺 EU Delivery: 5–10 Business Days
🌍 International Delivery: 7–21 Business Days