HOT RODS - 8643 - Connecting Rod Kit

Features:Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm longevityUniquely designed big end uses strategically located side scalloping and vent slots to minimize bearing race distortion at high rpmSmall ends are double drilled to supply extra lubrication and cooling to the wrist pin bearing, which is especially important when the piston crown is close to the wrist pin bearingShot-peened to eliminate surface stress risers and to smoothly blend together the rod forging's radiusesDouble honing produces an ultra-round bearing surface for reliability at high rpmMost rod assemblies are sold complete with rod, crank pin, crank pin bearing, top-end bearing and silver-coated bronze phosphor thrust washersCompatible with Hot Rods and OE crankshaftsMade in U.S.A.; connecting rod manufactured at Hot Rods Iowa facilitySpecifications:Product Name: Connecting Rod KitMaterial: 8620 SteelUnits: KitRiding Style: OffroadAdditional:Brand: HOT RODSPart Number: 8643California ResidentsWARNING Cancer and Reproductive Harm. www.p65warnings.ca.gov Fitment:2006-2009 Yamaha YZ 450 F2007-2011 Yamaha WR 450 F