LS 4.000″ 8-Cwt

Description

Precision-Balanced. Race-Ready Strength. Built for LS Stroker Power.

Take your LS engine build to the next level with the LS 4.000″ 8-Cwt Crankshaft, engineered for superior balance, maximum durability, and high-RPM performance. Ideal for stroker builds, this crankshaft delivers smooth rotation, consistent power, and reliability under extreme conditions — whether you’re building a street beast or a dedicated race engine.

Product Details:

• Product Type: Forged Steel Crankshaft

• Stroke: 4.000″

• Counterweights: 8-Counterweight (8-Cwt) Design

• Material: Premium Forged 4340 Steel

• Main Journal: Standard LS

• Rod Journal: Standard LS

• Condition: New

• Shipping: Fast Nationwide U.S. Delivery

Key Features:

• ✅ 4.000″ Stroke for Stroker Builds – Ideal foundation for 408″, 416″, and 427″ LS engines

• ✅ 8-Counterweight Design – Provides improved crankshaft stability, reduced flex, and better high-RPM balance

• ✅ Premium 4340 Forged Steel – Built to handle high horsepower and boost applications with confidence

• ✅ Precision Machined & Balanced – Ensures smooth operation and longevity under high stress

• ✅ Race-Proven Strength – Perfect for naturally aspirated, supercharged, turbocharged, or nitrous LS engines

• ✅ Direct Fit – Works with standard LS main and rod journal dimensions for easy integration

Compatibility:

The LS 4.000″ 8-Cwt Crankshaft is compatible with:

• GM LS Series Engines (LS1, LS2, LS3, LS6, LQ4, LQ9)

• Stroker builds including 408″, 416″, and 427″ LS configurations

• High-performance street cars, race engines, restomods, and LS swaps

• Works with most aftermarket connecting rods and pistons designed for 4.000″ stroke applications

🛡️ Warranty Information:

All crankshafts include a 1-Year Limited Warranty, covering:

• Manufacturing defects

• Workmanship issues under normal use

Warranty Exclusions: Damage caused by improper installation, over-revving, detonation, or racing abuse is not covered.