Eagle BB Ford 4340 Forged Crank - 4.500 Stroke NT006003 85 and earlier Small Block

85 and earlier Small Block Chevys

1974-1981 Buick Century

Black Powder Coat / Natural

75:1 gear reduction is ideal for engines with up to 11:1 compression ratio

Eagle BB Ford 4340 Forged Crank - 4.500 Stroke NT006003 85 and earlier Small BlockEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, &amp micropolished to &lt 2 ra. Intended for the most demanding applicationForged AISI ASME certified 4340 steel with multi stage heat treatment for superior strength Service: Eagle connecting rods and cranks are designed and manufactured to our specifications. Some simply purchase generic