Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 4 Stroke Forged Series Piston Kit, 97.00 MM Bore, 13.5:1 CR
SKU: W00C 40121M09700
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wiseco |
| Part Number | W00C 40121M09700 |
Videos
Wiseco Piston Benefits | Benefits of Forged Pistons | Forged vs Cast Pistons | Partzilla.com
Wossner VS Wiseco
Honda 400ex Build - Part 12 Lost - Motor Top End, Piston, Ring End Gaps, Intake Boot, Exhaust Studs
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
Why Buy Wiseco Pistons | Wiseco Aftermarket Parts | Partzilla.com
Honda CRF450 Piston Installation | 2005 Honda CRF450-R Engine Rebuild Part 5 | Partzilla.com
THE 2-Stroke Piston Kit: Wiseco Racer Elite
RC Series Piston with ArmorPlating® by Wiseco
The Ultimate V-Twin Piston Kit: Wiseco Black Edition
FORGED VS CAST PISTONS AND PISTON COATINGS EXPLAINED!
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy