Eagle Forged Crankshaft - 4.150 in Stroke - Internal Balance - 2-Piece Seal - Mopar RB-Series / 426 Hemi - 8-Bolt Flange CS-NITRO-ADPT-2 1955-1969 Buick Special

1955-1969 Buick Special

8 AN Male to 3/8 in NPT Male Swivel

Features:Roll of 25 feetDesigned withstand the rigors of racing

390 lb/in Spring Rate

Eagle Forged Crankshaft - 4.150 in Stroke - Internal Balance - 2-Piece Seal - Mopar RB-Series / 426 Hemi - 8-Bolt Flange CS-NITRO-ADPT-2 1955-1969 Buick SpecialEagle 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