Nitto Performance Engineering 4B11 I-BEAM 143.75MM – (NIT-ROD-4B11I)

Crafted from one-piece 4340 forged billet steel round stock for maximum strength
Designed for extreme motorsport use and high-RPM, high-horsepower builds
Lighter and stronger than traditional H-beam rods; far exceeds OEM durability
One-piece billet ensures uniform grain flow—stronger than common two-piece designs
Built with ARP rod bolts and silicone bronze wrist pin bushes for reliability under extreme stress
Ideal for applications requiring a no-compromise link between crankshaft and piston
Features of our connecting rods:Grade Tested (X-Ray & Sonic) 4340 Billet Steel ONE Piece Forging
Quenched and Heat Treated
Shot Peen Hardness Treated (38HRC)
Doweled Cap for Superior Alignment
Quality ARP 2000 Series Bolts
Optional ARP Custom Age 625 Plus Series Bolts
Silicone Bronze Pin End Bushes
Balanced to Within a +/- 1 Gram Tolerance Per Set
Bore Diameters to Within +/- 0.0001″ Tolerance
Sunnen Honing Machines Along with Sunnen Diamond Honing Tooling are used for both Big & Pin End Machining and Sizing
100% CNC Profiled
100% CNC Drilled & Tapped