Callies Apex 4.000 Stroke, Gen III/IV LS Crank

Callies Apex 4.000 Stroke, Gen III/IV LS Crank

The Callies Apex 4.000 Stroke Crankshaft is engineered to deliver unparalleled performance and reliability for high-performance GM LS engines. Crafted from premium forged 4340 steel, this crankshaft is designed for strength and durability under extreme conditions, making it the ideal choice for racing and high-output applications.

Crankshaft Specifications

• Material: Forged 4340 Steel
• Stroke: 4.000 inches
• Balance: Internal Balance
• Reluctor: 58-tooth GM Reluctor
• Bolt Pattern: 6 Bolt
• Snout: Standard Snout

Engine Compatibility

• Engine Types: Chevy Small Block Gen III/IV LS Engines
• Applications: Performance builds, racing, and high-output street engines

Technical Details

• Stroke Length: 4.000 inches
• Reluctor Wheel: 58-tooth GM Reluctor
• Balance Type: Internal
• Bolt Pattern: 6 Bolt
• Snout Design: Standard Snout

Performance & Compatibility

The Callies Apex crankshaft is precision-engineered for optimal performance in Gen III/IV LS platforms, offering superior durability and balance for both racing and street applications. Its robust design ensures longevity and consistent power delivery under demanding conditions.