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Engines and Components Crankshafts and Components

Eagle

Eagle Oldsmobile 455 4.250in Crank 6.735in H-Beam -15cc 4.126in Pistons Rotating Assembly

$2,550.99 $2,480.07 Save $70.92

SKU: E001 42108001

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Eagle 42108001 is a Street & Strip Rotating Assembly for the Oldsmobile 455 engine, featuring a 4.250" cast crank, 6.735" H-BEAM rods, 7/16" ARP 8740 bolts, and hypereutectic KB -15cc inverted dome 4.126" pistons. It includes plasma-moly file fit rings and King SI Rod/Main bearings. This assembly is designed for pump gas, naturally aspirated, street vehicles.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandEagle
Part NumberE001 42108001

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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