Sledgehammer Crankshaft BB-Chevy 4.000" Stroke 2-Piece Rear Seal

Product Discontinued

LUNATIPART NUMBER: 638-BO425IN

Sledgehammer Crankshaft BB-Chevy 4.000" Stroke 2-Piece Rear Seal

Name: Sledgehammer Crankshaft BB-Chevy 4.000" Stroke 2-Piece Rear Seal
Brand: LUNATI
SKU: 638-BO425IN
Price: 830.99 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Sledgehammer Crankshaft BB-Chevy 4.000'' Stroke 2-Piece Rear Seal

Part TypeCrankshaft

BrandLUNATI

Package Height8.5

Package Width10.5

Package Length32.2

Weight70.15 PG

Part CategoryPerformance Parts

Crankshaft MaterialForged 4340 steel

Rod Journal Diameter2.2 in (55.9 mm)

Main Journal Diameter2.75 in (69.85 mm)

LightenedNo

QuantitySold individually

Crankshaft Snout StyleStandard

Main Bearings IncludedNo

Engine BalanceInternal

Rod Bearings IncludedNo

Rear Main Seal Style2-piece

Requires Narrow BearingsYes

Part FitmentSemi Universal

Engine Stroke4 in (101.6 mm)

Vendor Part NumberBO425INLUN

Package Qty1

Package TypeEA

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