The I-Beam “Heavy Duty” series Connecting rods for Audi 5-Cyl. 2.2L RS2 (S2) aimed for the High Hp/Boost applications. Built from the finest raw materials 4340 high tensile steel with a specially optimized shape for high performance and extreme durability. They have a Tapered Pin End, so they are compatible with OEM pistons. The bushings made from AMPCO 18 material for excellent resistance to wear and fatigue and have radial groove for oil reservoir. They are shot peened to relieve stress from the material and multi-stage heat treated to increase rigidity. The tight tolerances in the production process, ensure a perfect fitment while optimizing the oil clearances. Bend and twist is tightly controlled. Each rod includes ARP 2000 cap fasteners that are rated at 220,000psi, optional ARP L19 material 260.00psi available as an upgrade and the whole kit is supplied with ARP moly and full fitting instructions. Additional machining processes

“Tapered” Pin End - Suitable for O.E.M. pistons
Dowel sleeves for perfect fit and accurate re-assembling
Lipped Cap Relief for improved big-end integrity at extreme application
Grooves in Thrust Face for weight reduction

Technical Features of ZRP Connecting Rods

I-Beam Shape for extra rigidity
Two-Piece forging for great strength
Shot Peening for improved fatigue life
Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
Double ribbed caps for added support
Multi Stage Heat Treatment for maximum strength, dimensional stability, and fatigue life.
CNC machining for superior tolerances, precise as much as 0.0002″
Center to center is maintained under .001″ tolerance
Finite Element Analysis (FEA) Computer generated stress analysis of con rods
Optimal balancing for weight matched sets of ± 1gram

>Product Specifications

Shape - I-Beam
Bolt Size - 3/8"
Length (CC) - 144.00
Pin Size - 20.00
Big Bore - 50.60
B.E Width - 24.89
Weight (gr) - 515
Set of - 5
Fasteners Grade - ARP2000
Series - Heavy Duty
Note - Non-Tapered Pin End

AUDI RS2 / S2, 5CYL BILLET CRANKSHAFT

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