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Brian Crower Crankshaft - Nissan KA24DE 96mm Stroke 4340 Billet

Brian Crower
BRCBC5218
Crankshafts
Out of stock
$ 2,614.50
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SKU: BC5218

Brian Crower 4340 Billet Crankshaft Nissan KA24DE 96mm Stroke

The Brian Crower BC5218 4340 Billet Crankshaft is the best high-performance crankshaft upgrade for Nissan KA24DE owners building high-horsepower, high-RPM engines. CNC-machined from premium 4340 chromoly round bar steel, this fully counterweighted billet crank features a 96mm stroke for increased displacement and torque, large radius journals for superior strength under extreme loads, and nitriding for enhanced durability and longevity ideal for turbocharged, supercharged, or naturally aspirated race/street KA24DE builds in 240SX, 180SX, Silvia, or custom projects demanding maximum reliability and power potential.

Key Features

  • Premium 4340 Billet Chromoly: Forged from round bar steel strongest material available for high-horsepower applications
  • 96mm Stroke: Increases displacement and torque over stock crank for more low-end grunt and overall power
  • Large Radius Journals: Adds strength and reduces stress concentrations at high RPM and boost levels
  • Nitriding Treatment: Improves surface hardness, wear resistance, and fatigue life
  • 100% CNC Machined: State-of-the-art milling ensures precision, balance, and consistency to .02mm tolerance
  • Fully Counterweighted: Reduces vibrations and improves engine smoothness at high RPM
  • Brian Crower Quality: Race-proven engineering trusted in motorsport for maximum strength and reliability

Specifications

Specification Detail
Part Number BC5218
Stroke 96mm
Material 4340 Chromoly Billet Steel
Journal Radius Large Radius (High-Strength)
Finish Nitrided
Compatibility Nissan KA24DE Engines (S13/S14 240SX, 180SX, Silvia, etc.)
Installation Requires Engine Disassembly & Professional Machine Work
Country of Origin United States
Warranty Limited (Brian Crower)
Shipping Weight Approx. 40-50 lbs

Product Notes

  • 96mm stroke billet crank increases displacement for more torque and power in KA24DE builds
  • Designed for high-horsepower turbo or naturally aspirated applications race-proven durability
  • Requires professional engine build balance, clearance checks, and proper assembly essential

Installation Notes

  • Estimated time: 20-40 hours (full engine build), advanced difficulty, professional machine shop required
  • Requires crankshaft installation, bearing clearance checks, and full engine balancing
  • Professional build recommended verify rod/piston compatibility and journal sizing

This Part Fits

Year Make Model Notes
1989-1998 Nissan 240SX / Silvia / 180SX KA24DE Engines
Various Nissan KA24DE Powered Vehicles Custom Builds & Swaps

Why Choose Brian Crower 4340 Billet Crankshaft?

  • Premium 4340 chromoly billet with nitriding and large radius journals for extreme strength and RPM
  • 96mm stroke increases displacement and torque perfect for high-horsepower KA24DE turbo builds
  • Limited warranty and USA-made quality trusted in motorsport for maximum reliability

Frequently Asked Questions

  • Q: Will this crankshaft fit my S13 240SX KA24DE?
    A: Yes, Brian Crower BC5218 is designed for Nissan KA24DE engines (96mm stroke upgrade).
  • Q: Is machining required?
    A: Yes, requires proper journal sizing, balancing, and clearance checks during engine build.
  • Q: What stroke is stock KA24DE?
    A: Stock is 90mm BC5218 96mm increases displacement for more torque and power.
  • Q: What is the warranty?
    A: Covered by Brian Crower limited warranty built for performance.

Shipping & Handling

  • Method: UPS/FedEx Ground (Oversize)
  • Availability: In stock - ships same or next business day
  • Packaging: Secure protective packaging
  • Weight: Approx. 40-50 lbs

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Brian Crower

Brian Crower

Brian Crower produces high-performance camshafts, connecting rods, valve springs, and valvetrain components for turbocharged and naturally aspirated engine builds. Their Stage 2 and Stage 3 cam profiles and titanium retainers are widely used in Honda, Subaru, and Nissan performance builds. Popular Brian Crower ProductsBrowse the full Brian Crower catalog to find the right upgrade for your application. Every product ships fast with fitment verified against manufacturer specifications. What engines does Brian Crower specialize in?Brian Crower makes camshafts, valve springs, and connecting rods for Honda K-series and B-series, Subaru EJ and FA engines, Mitsubishi 4G63, Nissan SR20 and VQ engines, and other popular performance platforms. What is the difference between Brian Crower Stage 2 and Stage 3 cams?Brian Crower Stage 2 cams offer increased lift and duration over stock for improved mid-range and top-end power while maintaining street driveability. Stage 3 cams are designed for ful...

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