SKU: CSN43A
SPEC 1990-2001 Nissan Skyline RB20 Aluminum Flywheel
This SPEC aluminum flywheel fits 1990-2001 Nissan Skyline R32 R33 R34 models with RB20DE and RB20DET engines. It replaces the heavy OEM steel flywheel with a 9 lb design that cuts rotational mass for quicker engine acceleration immediate throttle response and smoother gear shifts. Pair with SPEC clutch kits for reliable performance on track street or JDM drift builds up to 500 ft-lbs torque.
Key Features
- Lightweight Design: Weighs only 9 lbs versus OEM 22 lbs to accelerate engine revs reduce drivetrain inertia and improve overall responsiveness
- Material Construction: CNC machined from 6061-T6 billet aluminum with chromoly steel hub for strength and durability at high RPM
- SFI Certification: SFI 1.2 rated to 12500 RPM with replaceable 144-tooth heat-treated steel ring gear electron beam welded for secure hold
- Single Mass Layout: Provides stock-like daily drivability with support for aggressive clutch engagement in drag racing or drifting
- Finish Protection: Black anodized surface resists wear corrosion and heat in harsh racing conditions
Product Notes
- Direct bolt-on replacement requires matching SPEC clutch assembly MPN SN43A compatible for maximum benefits
- Built for stock or modified RB20 engines handling up to 500 ft-lbs torque
- Box dimensions 14 x 14 x 4 inches for secure transport
Installation Notes
- Professional installation recommended.
- Use ARP flywheel bolts M10x1.25x60mm for secure mounting not included
- Torque to 70-80 ft-lbs and follow clutch break-in procedure
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 GTT RB20DE |
Why Choose SPEC?
- SPEC flywheels equip championship drift and drag cars across JDM racing series
- Every unit precision balanced and quality checked in the USA
- Engineered for RB20 reliability with racing-proven stress testing
Frequently Asked Questions
- Q: Does this flywheel fit 1996 R33 Skyline GTS-T RB20DET?
A: Yes it bolts directly to 1995-1998 R33 RB20DET crank flange with 240mm clutch pattern - Q: What materials are used in construction?
A: 6061-T6 aluminum body chromoly hub and 144-tooth steel ring gear for lightweight strength - Q: What warranty coverage applies?
A: SPEC offers 1-year limited warranty against manufacturing defects with proper installation
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 14 x 14 x 4 inches
- Weight: 9 lbs
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