Jiahe Seiko Forging & Casting Co.,Ltd is one of the leading China connecting rod manufacturers,Website: , equipped with a productive factory, welcome to wholesale cheap connecting rod from us.Connecting rodMain Features :1> Connecting rod Material: 40CrNiMoA(4340) Forged Steel.2> Hardness after quenching and tempering is HRC33-38.3> Special doweled cap and profiled clearance for stroker  application.4> Silicon bronze bushings for floating piston wrist pins.5> Fully machined to produce the lightest and strongest rod possible.6> Sets weight matched to +/-1 grams.Part numberEngine modelpcs/set(mm)c-cB/E boreS/E boreB/E WS/E Wbolt      NO.105a      M5 3.8L      6 142.552222424      7/16SummitNumber:NO.105aBeam Style:H-beamMaterial:Forged 4340 steelAdvertised Horsepower Rating (hp):500-1000HpQuantity:Sold as a set of 6.Original Manufacturer /Brand:SeikoSample:availableGuarantee period:1 yearTransport:by air, by sea,by expressBolts:ARP bolts can be customizedDetailed product description:1.shot-peening effect. we are strict to select steel shot. We only use the cleanest shot which has the most suitable size. The result is our rods`surface is very bright and smooth.2.Big end surface effect. the surface is very smooth , the R part is mellow and full.It is hard to see the tool vestige3.Bolt seat.you can see the roof `s arch is mellow and full. Only CNC can reach this degree4.Smooth finish of BE BORE surface .it`s precision is within 0.01mm after honing. It is even used to be your mirror.5.Big end arch part surface is also very smooth and we make the shoulder into arc shaped.6.generally,2.5mm-3mm diameter oil hole on the pin end7.Consider the transport is far around the world, we use special packages to protect the Connecting Rod.Rust preventing oil packing→Plastic→Cardboard→Wooden case.