LS1

Rear Main Seal Style: 1-piece Engine Stroke (in): 4.100 in. Crankshaft Material: 4340 Forged Steel Engine Balance: Internal Lightened: No Requires Narrow Bearings: See notes below Rod Bearings Included: No Main Bearings Included: No Rod Journal Diameter (in): 2.100 in. Main Journal Diameter (in): STANDARD LS1 in. Minimun Rod Length (in): 6.098 in. Balancer Bolt Thread Size: Standard Crankshaft Snout Style: Standard Quantity: Sold individually. Notes: Check the bearing to crank radius clearance. Rod bearings may need to be chamfered or alternatively use narrow rod bearings. - Learn More