Eagle Chevrolet Big Block LW Forged 4340 Crankshaft (eag445442546385)
Eagle forged 4340 steel cranks feature a non-twist forging, .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: 2350g
stroke: 4.250"
rod journal: 2.2"
rod journal width: 2.000"
main journals: 2.749"
minimum rod length: 6.385"
typical weight: 65 lbs.
rear seal diameter: call
snout diameter: 1.6"
flywheel bolts: 6
pilot bore diameter: 1.094"
flywheel register diameter: call