Subaru 2.0L EJ20, EJ25 Heavy Duty Rods
ZRP rods come with 3/8″ ARP L19 bolts [rated to 260,000psi] that are 15% stronger than ARP2000.
Aluminum – silicon/ bronze bushing with radial groove
Dowel sleeves for perfect fit and accurate re-assembling.
Double ribbed cap for added strength and durability.
Double grooves in thrust face for weight reduction.
I-Beam Shape for extra rigidity
2 piece forgings from high tensile steel 4340.
ZRP laser mark logo.
For a detailed illustration of the features click here
Shot Peening for improved fatigue life.
Magnaflux Inspection guarantees the consistency of the forged material meets our high quality standard.
Multi Stage Heat Treatment for maximum strength, dimensional stability, and fatigue life.
CNC machining for superior tolerances as tight as 0.0002?.
Center to center is held to 001? tolerance
Finite Element Analysis FEA Computer generated stress analysis of con rods.
Bend and twist is tightly controlled.
Optimal balancing for weight matched sets ± 1gram.
Combination tested to over 750HP