• Manufactured from 4340 forgings
• Heat treated, stress relieved, shot peened and 100% individually magnafluxed
• Weight matched sets +1.5 grams
• Cap fasteners are 3/8? ARP 2000 for the "H? Beam and 3/8? ARP Custom Age 625+ for the H-Plus, except part number 14017 which is supplied with 7/16? ARP 8740 for the "H?-Beam and 7/16? ARP 2000 for the H-Plus
• Flywheel horsepower range for these rods in a 4 cylinder application is 600+ for the "H?-Beam and 800+ for the H-Plus and for a 6 cylinder application the range is 800+ for the "H?-Beam and 1000+ for the H-Plus

Additional Information:

Application: Subaru WRX EJ205/STi EJ257 (H-Tuff Series with heavier beam for higher boost applications)
Center to Center: 5.137"
Big End Bore: 2.165"
Big End Width: .840"
Pin Diameter: .905" (23mm)
Pin Bore: .9063"
Gram Weight: 560