Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 4.000" Stroke - 350 Mains - Internal Balance - 1855 Bobweight - 4340 - Must Use 6.000" Rod or Longer - Early (2 Pc Seal) SB Chevrolet 2060032 Flat bottom design works with

Flat bottom design works with 5" or 5-1/2" conventional springs which must be mounted with the closed end seated in the control arm and the open end in the upper spring cup or a spring ramp (sold separately) may be welded onto the lower plate to place the open end down

IK Series 23° cylinder heads combine performance and value

Triple Dog GT Diesel

high articulation rod ends

3 in Flange

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 4.000" Stroke - 350 Mains - Internal Balance - 1855 Bobweight - 4340 - Must Use 6.000" Rod or Longer - Early (2 Pc Seal) SB Chevrolet 2060032 Flat bottom design works withEagle 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