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WSM Banshee Forged Piston Kit 5mm Long Rod BIG BORE 50-520-5, 2GU-11631-00-94
WSM Banshee Forged Piston Kit 5mm Long Rod BIG BORE 50-520-5, 2GU-11631-00-94
WSM Banshee Forged Piston Kit 5mm Long Rod BIG BORE 50-520-5, 2GU-11631-00-94
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WSM Banshee Forged Piston Kit 5mm Long Rod BIG BORE 50-520-5, 2GU-11631-00-94

Marsoni M251S
Sale price$156.16
Pay 4 payments of $39.04 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
WSM Banshee Forged Piston Kit 5mm Long Rod BIG BORE 50-520-5, 2GU-11631-00-94Yamaha 350 Banshee Big Bore Long Rd Piston Kit Kit includes One Piston, rings, pin and clips. German engineered and manufactured forged piston using a revolutionary computerized technique used in GP F1 racing. Pistons have an added boost port for increased HP, however ported cylinders are NOT neccesary. Big bore pistons do not have a boost port. Message me your size: 50 520 5 68 68mm 50 520 5 685 68. 5mm 50 520 5 69 69mm OOS 50 520 5 695 69. 5mm 50
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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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4.4 ★★★★★
Based on 1615 reviews
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Verified Purchase
Vercingeterix
New York, US
★★★★★ 5
It fits, just install it exactly like the original filter.
This fits just fine. Please pay attention to install it exactly like the OEM filter is installed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
M
Verified Purchase
Mark Twaing
Natrona Heights, US
★★★★★ 5
If you keep your vehicles a few years this will save money
I have been using K&N for 50 years very good quality over OEM filters and it gives your engine better breathing. Saves money over the long run.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
D
Verified Purchase
Dennis
Grantham, US
★★★★★ 5
Can’t go wrong with KN
Been using for years in all my vehicles. One time pricey but then years of trouble free performance enhancing filtration for your engine. Five minutes to install on 24’ Honda Pilot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
C
Verified Purchase
Chuck Johnson
Lowell, US
★★★★★ 5
Good value
It’s a K&N quality filter, enough said
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
S
Verified Purchase
Skip
Belleville, US
★★★★★ 5
It fits
Fit my car perfectly. Hopefully it lasts longer than normal filters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026

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