Nitto – 4B11 I-BEAM 143.75MM (NIT-ROD-4B11I) Nitto – 4B11 I-BEAM 143.75MM (NIT-ROD-4B11I) Nitto I-Beam Connecting Rods – Overview 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 Contact Us for further Information by filling out this FORM Be sure to follow our Instagram page for new offers and the latest products @Partspluguk
