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Engines and Components› Crankshafts and Components

Eagle

Eagle Oldsmobile 455 4.250in Crank 6.735in H-Beam -5cc Flat Top 4.155in Pistons Balanced Assembly

$3,507.99 $3,118.54 Save $389.45

SKU: E001 B42100030

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INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

Part #: B42100030

Eagle Street & Strip Rotating Assemblies are perfect for pump gas, naturally aspirated, street vehicles.

BALANCED 4.250" Cast Crank, 6.735" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 SRP -5CC FLAT TOP 4.155" PISTONS,PLASMA-MOLY FILE FIT RINGS,KING SI Rod/MAIN BEARINGS.

MIA's Description

The Eagle B42100030 is a Street & Strip Rotating Assembly Kit for Oldsmobile 455 engines, converting them to 461 cubic inches.

Fitment

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Specifications

BrandEagle
Part NumberE001 B42100030

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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