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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
NISMO Light Weight Flywheel For Skyline R33 R34 RB25DET 12310-RSR21Brand NISMO Series Name Light Weight Flywheel Product Descriptions This lightweight flywheel is created especially for use with NISMO single plate clutches. It is not just light: it provides the ideal weight to guarantee even engine rotation in the low rpm range. The use of high strength, high quality chrome molybdenum carbon steel reduces weight by 60% to 70% compared to standard flywheels. Used with a NISMO clutch cover and clutch disc, the package
| Brand | NISMO |
| Series Name | Light Weight Flywheel |
| Product Descriptions | This lightweight flywheel is created especially for use with NISMO single-plate clutches. It is not just light: it provides the ideal weight to guarantee even engine rotation in the low rpm range.The use of high-strength, high-quality chrome molybdenum carbon steel reduces weight by 60% to 70% compared to standard flywheels. Used with a NISMO clutch cover and clutch disc, the package provides a total inertia weight reduction of 80% to 85%, reducing torque loss at low speed while improving response at high rpm. When used with a solid metal disc, it provides a more direct feel than a dual-mass (damper equipped) unit. At the same time, the same ring gear chamfering process as for standard parts has been used to ensure smooth starting through improved engagement with the starter motor pinion gear. Part information Unit weight kg(Genuine): 6.88 (9.65), Inertial weightkg/cm/sec2(Genuine): 6.88 (9.65) "NISMO" logo marked NISMO single plate exclusive item Material: chrome molybdenum steel (SCM 440H material) (except for march (K12)) Accessory: flywheel bolt, dowel pin (press fitted) |
| Product Number | 12310-RSR21 |
| Compatible Vehicle | Skyline R33 R34 |
| Engine | RB25DET |
| Remark | NISMO lightweight flywheel is designed and manufactured with the objective of improving the clutch response and improving the correspondence output, so resonance noise |
| Notes | Images are for illustration purpose only. Actual product may vary. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
GREAT PRODUCT!
Size: 16 Line Spools+4 Caps
GREAT PRODUCT!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 4
Good
Size: 20 Line Spools+4 Caps
Great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Works like original equipment
Size: 16 Line Spools+4 Caps
Seems to handle the same work load as the manufacturer part. Good quality fit and design. No problems installing the string on the trimmer head. Definitely worth the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 18, 2025
★★★★★ 5
Great replacement item.
Size: 16 Line Spools+4 Caps
Fit perfectly but price fluctuates catch them at a low price and order multiples or reload the cassettes with bulk string yourself...easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
It was delivered next day
Size: 8 Line Spools+2 Caps
If it's like the previous line I purchased, it's good.
Don't leave it in a hot garage, because the line will sometimes stick together when you get around to using it!
NOTE:
Again, I received this product YESTERDAY, and Amazon is sending me a survey today!! What AMAZON brain surgeon thinks that this is a good idea????
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
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