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Master Series M6.3.1
Master Series M6.3.1
Master Series M6.3.1
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Master Series M6.3.1

Marsoni M251S
Sale price$1048.50
Pay 4 payments of $262.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Master Series M6.3.1In Store Pick Up Only Highlights 3 way component set for ACTIVE crossovers M6 Details 6. 7" (170. 6 mm) Mid woofer Custom tooled cast frame with open design minimizes reflections to cone 2" (51mm) voice coil for extreme power handling and motor force Patented split gap motor with multiple copper shorting rings for extended response and world class dynamics and impact Industry leading + 8. 7mm of linear excursion Thermo fused woven polyolefin cone for
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Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 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
4.7 ★★★★★
Based on 2353 reviews
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Product Reviews
C
Verified Purchase
CS
Massapequa, US
★★★★★ 5
Got to have spark for the gasoline combustion engine to run
It is a spark plug, it made spark and engine ran. It done what it was intended to do
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
N
Verified Purchase
Nicholas Kozik
Cuba, US
★★★★★ 5
plug
New and positive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
B
Verified Purchase
BUTCH
Pawtucket, US
★★★★★ 5
its a spark plug whats to know...
champion spark plug delivered on time as advertised...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2025
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Good product
I've used champion plugs 65 years!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2024
C
Verified Purchase
Colleen Eubanks
Cuba, US
★★★★★ 5
Snapper mower
Right spark plug. Mower is a happy camper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2024

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