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LS 4.000" 8-Cwt – LS Specialties

LS 4.000" 8-Cwt

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Rev up your LS build with this 4.000" 8-Cwt Crankshaft, tailored for wet-sump engines that pack a punch! Ideal for street/strip cars or drag builds, it’s built to thrive in LS1, LS2, or LS3 setups pushing up to 1700hp. Whether you’re boosting a weekend warrior or crafting a daily driver with serious grunt, this crank delivers smooth, reliable power. Forged from 4340 steel, it’s tough enough for supercharged or turbocharged LS blocks, and the reluctor wheel is pre-installed to save you time. Call 210-446-0960 to pair it with rods and pistons for your perfect combo!

Here’s what fuels this crankshaft for your wet-sump LS project:

Specification 4.000" 8-Cwt Crankshaft Details
Stroke 4.000"
Design 8 Counterweight
Journals Gun Drilled Main & Rod Journals
Snout Standard LS Wet Sump
Material 4340 Forged High Tensile Strength Alloy
Power Rating 1700hp
Weight Approx. 55lbs

Build Tip: This crank shines in LS3 street/strip builds hitting 1000-1500hp with a single turbo or supercharger, or LS1 daily drivers aiming for 800-1000 ft-lbs. Confirm your wet-sump setup and pair with 6.125" rods for a balanced rotating assembly!

Installation Notes: Check journal clearances and balance with your rods and pistons. A skilled engine builder is essential for high-hp wet-sump LS setups. We’re not liable for damage from improper installation or mismatched components.

Sales Policy: Crankshafts are custom-order items and non-returnable. All sales are final, so verify your LS build specs before ordering!

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