LT Apex 4340 Forged Crank 4.000 Stroke

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$2,197.96
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Info

SKU:CAL5TO-31V-AS

SKU: CAL5TO-31V-AS

MPN: 5TO-31V-AS

Info

SKU:
CAL5TO-31V-AS
MPN:
5TO-31V-AS

Description

The LT Apex 4340 Forged Crank 4.000 Stroke is designed for serious small-block LS engine builders who demand reliability and performance in high-horsepower applications. This crankshaft is engineered for naturally aspirated and supercharged engines, providing a robust foundation for optimized power delivery.

Forged from premium 4340 steel, the LT Apex crankshaft offers a superior strength-to-weight ratio and fatigue resistance compared to cast alternatives. The 4.000-inch stroke geometry enhances displacement and torque characteristics, ensuring excellent oiling and balancing. Its precision forging process guarantees tight dimensional tolerances for proper fitment with both OEM and aftermarket connecting rods.

Builders will find the LT Apex 4340 Forged Crank compatible with LS1, LS2, LS3, and LS-based engine architectures, making it ideal for custom crate engine builds, engine swaps, and restoration projects. This fully finished, ready-to-install component requires no modification or secondary machining, making it a convenient choice for performance enthusiasts.

SpecificationDetail
MPN / Part Number
5TO-31V-AS
SKU
CAL5TO-31V-AS
Dimensions
11 x 11 x 35 in
Weight
61.32 lbs
Material
4340 Forged Steel
Stroke
4.000 inches
Engine Platform
LS1, LS2, LS3, LS-Based
Horsepower Rating
600+ HP Capable
Application Type
Street, Track, Forced Induction
Finish
Ready to Install

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