The Manley Performance Turbo Tuff I-Beam Forged Connecting Rods have been designed to sustain the stress and abuse associated with high-horsepower and high-boost applications, as well as strenuous race use where the engine will stay in the upper RPM range. These connecting rods have been forged using 4340 steel construction, and they have been rated up to 1000 HP. The Turbo Tuff Forged Connecting Rods will come with the ARP 2000 rod studs to properly secure the rods to your crank. 
 
DETAILS:
Forged 4340 steel construction
i-beam connecting rod type
Center-to-center length: 5.137"
Big end width: 0.840"
Pin end bore diameter: 0.906"
Pin end width: 0.840"
ARP 2000 connecting rod hardware
Weight: 565g
Weight matched set
Rated to 1000 HP
Sold as a complete set of connecting rods