Eagle Standard Forged Crankshaft 4340 Chromoly Steel (eag428135435933)
Eagle forged 4340 steel center-counterweighted cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for the most demanding applications.
Crankshaft must be balanced to match your specific rods and pistons.
Highlights:
material: forged 4340 steel
intended balance: internal
target bobweight: 1600g
stroke: 3.543"
rod journal: 2.086"
rod journal width: 1.900"
main journals: 2.657"
minimum rod length: 5.933"
typical weight: 50 lbs.
rear seal diameter: call
snout diameter: call
flywheel bolts: 8
pilot bore diameter: call
flywheel register diameter: call