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Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco Chevy LS Series -18cc R/Dome 4.135inch Bore Piston Shelf Stock Kit
SKU: W00C K446X135
Professional / shop required
Overview
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Part #: K446X135
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco s Professional Series.
Features:
- Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
- ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
- Fully machined crown features
- Precision ring grooves, anti-detonation groove, and additional ring seal improving features
- Forced pin oiling
- Designed and built to withstand heavy to severe duty performance applications
Wiseco Chevrolet LS Piston Set, 4.135 in. Bore, 1.110 in. Compression Height, 0.927 in. Pin Diameter, Professional, Set of 8.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Engine misfire under load
- Excessive oil consumption
- Loud knocking from engine bay
- Loss of power during acceleration
- Rough idle and vibration
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0301 – Cylinder 1 misfire Det
- P0302 – Cylinder 2 misfire Det
- P0303 – Cylinder 3 misfire Det
- P0304 – Cylinder 4 misfire Det
Relevant Conversations
- LS engine knocking noise after supercharger install
- P0300 random misfire on LS3 6.2L
- Wiseco K446X135 vs Mahle 4032 pistons
- Best forged pistons for 800hp LS build
- How to install piston rings on Wiseco LS pistons
- LS piston slap at cold start fix
- Do I need new pistons after detonation?
- Wiseco piston set for LS1 5.7L upgrade
- Piston to wall clearance for Wiseco 4.135 bore
- Co-purchase: LS forged rods and pistons combo
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Wiseco |
| Part Number | W00C K446X135 |
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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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