Wiseco 78-81 Yamaha XS1100 10.251 CR 2933XC Piston Kit

Wiseco 78-81 Yamaha XS1100 10.251 CR 2933XC Piston Kit

Marsoni

M251S

$432.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Wiseco 78-81 Yamaha XS1100 10.251 CR 2933XC Piston KitThe Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high performance 4 strokes. Today, Wiseco's forged 4 stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4 stroke pistons are ready to deliver the power and reliability

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Great plugs and amazing value for the money. Easy to use and tighten and the screw cover works wonderfully. Even comes with a couple extra screws in case you lose one. The sound is better than what I had and I used 14 gauge wire. Plugs were perfect, not too tight at all. I could see having to push for new posts but they are snug and didn't take too much force to put in. 10/10

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Reviewed in the United States on December 27, 2025