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 BR40121 The ST5 is the new

The ST5 is the new generation of closed faced helmets from Stilo

The factory K-member and lower control arm mount can deflect under hard braking and extreme lateral loading

/in linear rate (Front)

certified to to SFI 3

Rocker Arm/Pushrod Kit

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 BR40121 The ST5 is the newEagle 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