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Engines and Components Pistons and Piston Rings

Wiseco

Wiseco 4 Stroke Forged Series Piston Kit, 96.00 MM Bore, 12.4:1 CR

$363.95 $327.99 Save $35.96

SKU: W00C PK1065

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: PK1065

The 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 you're looking for.

Features:

  • Engineered, forged, and machined in the USA in Mentor, OH
  • Designed and built for each specific 4-stroke powersports engine
  • Improved tensile strength of forged material optimizes strength and service life
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Includes high-quality piston rings, wrist pin(s), and circlips

Wiseco 4 Stroke Forged Series Piston Kit, 96.00 mm Bore, 12.4:1 CR

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The Yamaha YFZ450 Piston Set by Wiseco, model number 131 CR (4835M09600), is an exceptional choice for those looking to upgrade their 2004-2005 Yamaha YFZ450’s engine performance. Built with precision and reliability in mind, this piston kit ensures a robust enhancement to your vehicle’s power and efficiency. Crafted from high-quality forged materials, the Wiseco Yamaha YFZ450 Piston Set is engineered for versatility, accommodating a range of applications from ATVs to dirt bikes, street bikes, snowmobiles, UTVs, and V-Twins. The pistons are designed for strength and a longer service life, capable of withstanding high-stress conditions typical of aggressive riding and racing. With a bore size of 96.00mm and a compression ratio of 12.4:1, this piston set efficiently boosts engine power and performance, ensuring you get the most out of your ride. The complete package includes a wrist pin, rings, and circlips, providing all the necessary components for an efficient installation. Features: Forged material for enhanced strength and durability. Complete package with wrist pin, rings, and circlips. Suitable for a variety of applications including ATVs and dirt bikes. 96.00 mm Bore, 12.4:1 Compression Ratio. Designed to enhance performance and longevity.

Fitment

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Specifications

BrandWiseco
Part NumberW00C PK1065

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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.

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