3.625" Stroke, Internal Balance, Forged 4140 Steel, Buick 3.8l 231cid Turbo V6 "grand National"
EAGLE | Part# CRS-523136255967
(more on the way)
Southaven, MS
Important Crankshaft must be balanced to match your specific rods and pistons.
Highlights:
- material: forged 4140 steel
- intended balance: internal
- target bobweight: 880g
- stroke: 3.625"
- rod journal: 2.248"
- rod journal width: 0.86"
- main journals: 2.499"
- minimum rod length: 5.967"
- typical weight: 42 lbs.
- rear seal diameter: call
- snout diameter: call
- flywheel bolts: 6
- pilot bore diameter: call
- flywheel register diameter: call
FORGED 4140 STEEL CRANK - BUICK 231CID 3.8L V6, 3.625" STROKE, INTERNAL BALANCE
$555.99
Eagle forged 4140 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 competition use.