Specifications
- Brand
- Wiseco
- Part #
- K669M86AP
- UPC
- 00193564090188

Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 86.00mm -Size +.040 - CR 10.5:1 Piston Set
$895.99
Wiseco Evo 4-9 HD2 forged piston set, 86.00mm bore, 10.5:1 CR. Built for severe duty race builds.
Key Features
- Fits Mitsubishi Evo 4-9 4G63T engines.
- Forged from 2618 aluminum for improved tensile strength.
- 86.00mm bore size, with a +.040 undersize.
- 10.5:1 compression ratio.
- Asymmetric skirt design with ArmorGlide skirt coating for reduced friction and seizure resistance.
- Features precision ring grooves, anti-detonation groove, and forced pin oiling.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Forged from 2618 aluminum for improved tensile strength, these Wiseco HD2 pistons are built for the demanding Mitsubishi Evo 4-9 engine builds. The 86.00mm bore size, with a +.040 undersize, is ready for your performance rebuild. This set is designed to handle heavy to severe duty race applications, ensuring durability when you push your engine hard.
Wiseco has packed these pistons with features to enhance performance and longevity. You'll find precision ring grooves, an anti-detonation groove, and additional features for improved ring seal. The asymmetric skirt design, combined with an ArmorGlide skirt coating, helps reduce friction and resist seizure, while also contributing to quieter operation. The crown is fully machined for accuracy, and forced pin oiling ensures the wrist pins stay well-lubricated under high stress.
This set includes four pistons, each with a 10.5:1 compression ratio, ready to be installed in your 4G63T engine. Please note that these pistons are not CARB approved and cannot be shipped to California. For a complete rebuild, ensure you have all necessary supporting components and refer to manufacturer instructions for proper installation.
Specifications
- Brand
- Wiseco
- Manufacturer Part #
- K669M86AP
- UPC
- 00193564090188
Frequently Asked Questions
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Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 86.00mm -Size +.040 - CR 10.5:1 Piston Set
