Eagle Cast Iron Crankshaft - 3.48 in Stroke - External Balance Rear/Internal Balance Front - 1-Piece Seal - Small Block Chevy Youth Karting Gear Duration 251 / 257

Duration 251 / 257

1978-1981 Chevrolet C20

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82-02 Pontiac FirebirdReplacement torque arm bushing for factory style mount on 1982-2002 GM F-Body

4-bbl racing carburetors provides a very strong and positive stop

Eagle Cast Iron Crankshaft - 3.48 in Stroke - External Balance Rear/Internal Balance Front - 1-Piece Seal - Small Block Chevy Youth Karting Gear Duration 251 / 257Eagle cast crankshaft is great alternative to and an upgrade from an O. E. crankshaft. . 125" fillet radiuses mean in increase in strength, so chamfered or narrowed bearings are required. Lightening holes in all throws. IMCA legal. Product Description: Crankshaft 3. 480 in Stroke Internal Balance Front External Balance Rear Cast Iron 1 Piece Seal Small Block Chevy Eagle Specialty Products provides quality engine parts to some of the worldas most