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Mastering Massive Passive Retube Kit Version A

Marsoni M251S
Sale price$165.00
Pay 4 payments of $41.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Mastering Massive Passive Retube Kit Version AThis kit is only for Manley MASTERING MASSIVE PASSIVE's with the serial number falling between MMMSMP000 MMMSMP870. Includes (2x) 5814 or 12AU7 tubes for input, and (4x) 6414 or 12BH7 tubes for driver output. Be aware that some tube brands are subject to change over time and may not match the pictures shown.
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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.
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4.0 ★★★★★
Based on 1267 reviews
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O
Verified Purchase
O. miller
Alexandria, US
★★★★★ 5
Grill kit for bmw
Very easy to install snapped right in. Perfect . Would highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2019
M
Verified Purchase
matthew palen
Massapequa, US
★★★★★ 1
Buy OEM
Finish is fine but sizing is wrong and these don't fit tight but rattle. About 3/4" movement in all ways, which will lead to scratched paint. If you've got a beater, these are fine but for my clean M3, I'll buy OEM from FCP or Turner.
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Reviewed in the United States on June 15, 2024
B
Verified Purchase
Brown, Dwayne
Charlottesville, US
★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
H
Verified Purchase
Holly Rowe
Charlottesville, US
★★★★★ 5
Fits like factory
Fits as should. No issues installing
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Reviewed in the United States on May 19, 2026
A
Verified Purchase
Aaron Schroeder
San Leandro, US
★★★★★ 5
Fit well
All good
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Reviewed in the United States on January 20, 2026

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