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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
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Description
Fits GM Universal Style Cast Iron Master Cylinder MC1921HProduct DescriptionGM Universal Cast Iron 1" Bore; 9 16" & 1 2" Ports on Left Sides; Exact Copy of Original Master Cylinder has a piston adaptor that will allow for power or manual applications. For Disc Drum or Drum Drum Applications. (Note: if you are running Drum Drum you will also need a metering valve PVM)
Product DescriptionGM Universal Cast Iron 1" Bore; 9/16" & 1/2" Ports on Left Sides; Exact Copy of Original Master Cylinder has a piston adaptor that will allow for power or manual applications.
- For Disc/Drum or Drum/Drum Applications. (Note: if you are running Drum/Drum you will also need a metering valve PVM)
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.3 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Cumplió mis expectativas
Size: 54 mm, Color: Brown/Grey/Brown Gradient
Hermosas y de buena calidad
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
★★★★★ 2
Missing “C’s” on temple
Size: One Size, Color: Cd472 Black Grey Gradient
Material felt cheap and were missing the “C’s” on both sides of the temples.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2025
★★★★★ 5
Beautiful
Size: 54 mm, Color: Brown/Grey/Brown Gradient
Beautiful. I love them so much. I wear them all of the time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Cumplió mis expectativas
Size: 54 mm, Color: Brown/Grey/Brown Gradient
Hermosas y de buena calidad
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
★★★★★ 2
Missing “C’s” on temple
Size: One Size, Color: Cd472 Black Grey Gradient
Material felt cheap and were missing the “C’s” on both sides of the temples.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2025