K1 Nissan. Sr-20. 136.25Mm 'H' Beam Set

K1 - Connecting Rod Set

Part Number: 033CS17136
Brand: K1 Technologies
Application: Nissan SR20 series engines — commonly used in SR20DE / SR20DET (e.g., Nissan 200SX, Silvia/180SX, Sentra SE‑R, Infiniti G20) builds.

Key Specifications

• Rod Type: Forged H‑Beam connecting rods — strong performance design for boosted or high‑RPM builds. 

• Material: Forged 4340 steel (high‑strength, fatigue‑resistant).

• Center‑to‑Center Length: 136.25 mm (≈ 5.364″) — a common performance length for SR20 builds.

• Pin End Bore (Wrist Pin): 22.00 mm — matches standard SR20 piston pin size.

• Big End Journal Bore: 51.00 mm — fits SR20 crank journal dimensions.

• Big End Width: 22.73 mm — bearing width.

• Rod Bolts: ARP 2000 3/8″ bolts included (high tensile strength).

• Weight: ~524 g per rod (weight‑matched set).

• Wrist Pin Style: Full‑floating precision bronze bushings (low friction, durable).

• Finish: Shot‑peened & precision machined for improved fatigue life.

• Set Quantity: 4 rods (complete set for a 4‑cylinder SR20 engine).

Engine & Vehicle Compatibility

These rods are built for the Nissan SR20 engine family, commonly found in:

• Nissan 200SX / S13 / S14 / S15 with SR20DET or SR20DE engines

• Nissan Sentra SE‑R (SR20DE)

• Infiniti G20 (SR20DE)
  They’re a direct replacement for stock rods and are suitable for stock rebuilds, turbo/high boost performance builds, and race engines as well.