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Piston & Ring Kit - Big Bore Oversize - 81mm
Piston & Ring Kit - Big Bore Oversize - 81mm
Piston & Ring Kit - Big Bore Oversize - 81mm
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Piston & Ring Kit - Big Bore Oversize - 81mm

Marsoni M251S
Sale price$145.00
Pay 4 payments of $36.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Piston & Ring Kit - Big Bore Oversize - 81mmXS Performance 1st. Oversize (81mm) Forged Big Bore Piston Kit. Piston includes ring set for 1 piston, piston pin(1) and pin clips(2). Forged Piston features: 1. Valve pockets cut for large valves. 2. Mos2 treated piston skirts. 3. Oil channel for enhanced wrist pin oiling. 4. 20mm. piston pins that are internally tapered to ends for weight reduction. 5. Lightweight 9: 1 piston assembly weight of approx. 340 Grams. Fits to 1974 84 447 type engines
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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
4.8 ★★★★★
Based on 1401 reviews
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Product Reviews
S
Verified Purchase
scott sipprell
Omaha, US
★★★★★ 5
You'll flip over the added countertop!
Good product, seems well made. Installation was simple enough. It gives us a little extra counter space when needed. The only issue is it blocks the entry a little when flipped up in our RV. Just look before you step in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 28, 2025
B
Verified Purchase
brian johnson
Los Angeles, US
★★★★★ 3
Shelf
Didn't come with necessary hardware.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2024
J
Verified Purchase
Jeffrey Kunstman
Charlottesville, US
★★★★★ 5
Works great for our RV.
Perfect for a side table for my wife's coffee pot in our RV. She puts the coffee pot in the cabinet when we leave from camping and put the shelf down. Exactly what we needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2025
D
Verified Purchase
Doug
Belleville, US
★★★★★ 4
Yea..its ok.
Works well but hard to Install!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
G
Verified Purchase
George
Omaha, US
★★★★★ 5
Worked great 👍
Works great to expand kitchen counter in our RV. Easy installation, looks like it's supposed to be there
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025

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