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Spec 90-01 Nissan Skyline RB20 Steel Flywheel SPEC SPECSN43S
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Spec 90-01 Nissan Skyline RB20 Steel Flywheel

SPEC
SPECSN43S
Flywheels
2 Units In Stock - Ships Next Business Day
$ 429.00 $ 386.10
$ 386.10

SKU: CSN43S

Spec 90-01 Nissan Skyline RB20 Steel Flywheel

The Spec Steel Flywheel fits 1990-2001 Nissan Skyline models with RB20DE and RB20DET engines including R32 R33 and R34 chassis. This billet steel flywheel maintains stock-like weight for everyday drivability while handling high torque loads from upgraded clutches. It ensures consistent shifts and resists warping under heat for reliable street and track use.

Key Features

  • Billet Steel Construction: Forged from high-strength steel for maximum durability and resistance to cracking common in aluminum flywheels during prolonged use.
  • Precise Weight Balance: 24.5 lbs matches OEM specifications to preserve engine smoothness and starter motor longevity.
  • SFI 1.2 Certification: Meets rigorous safety standards for racing applications with proven reliability in drag and circuit events.
  • Machined Ring Gear: 144-tooth steel ring gear provides positive starter engagement and long service life.
  • Black Zinc Finish: Corrosion-resistant coating protects against rust in harsh conditions while maintaining a professional appearance.

Product Notes

  • Designed to pair with Spec clutch kits or OEM replacements for optimal performance.
  • Inspect clutch disc and pressure plate during installation for even wear patterns.
  • Ships in protective packaging to prevent damage during transit.

Installation Notes

  • Professional installation recommended.
  • Requires Nissan RB20 engine alignment tool for proper centering.
  • Compatible with 225mm clutch diameter and 23-spline input shaft.

This Part Fits

Year Make Model Submodel
1990-1994 Nissan Skyline R32 GTS RB20DET
1990-1994 Nissan Skyline R32 GTS-t RB20DET
1995-1998 Nissan Skyline R33 GTS RB20DE
1995-1998 Nissan Skyline R33 GTS-t RB20DET
1999-2001 Nissan Skyline R34 200GT RB20DE

Why Choose SPEC Clutch?

  • Engineered and manufactured in the USA with racing pedigree from NHRA and SCCA events.
  • Backed by limited warranty covering defects in materials and workmanship.
  • Precision CNC-machined components ensure exact fitment and balance every time.

Frequently Asked Questions

  • Q: Will this flywheel fit my R33 Skyline GTS-t with RB20DET?
    A: Yes it bolts directly to 1995-1998 R33 GTS-t RB20DET engines using stock hardware and maintains compatibility with OEM or aftermarket clutches.
  • Q: What material is used and does it affect pedal feel?
    A: Billet steel construction weighs 24.5 lbs similar to stock providing familiar pedal effort and smooth engagement without the harshness of lighter aluminum options.
  • Q: What warranty applies and is installation covered?
    A: SPEC offers a limited warranty against defects professional installation is recommended but not covered contact SPEC for claims process.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure foam-lined box 14 x 14 x 4 inches
  • Weight: 25 lbs

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