Wiseco
Engine Components › Piston Sets - Forged - 4cyl
WIS Piston Sets - 4 Cyl
Part # wisK666M855 MFR # K666M855 UPC 193564448316 ID 874464
Wiseco Mitsubishi 4G63 85.50 mm Bore 34.87 mm CH -9.00 CC Piston Set
✓ In Stock (4 locations)
$727.99
MAP price — best available price
Free ground shipping on eligible orders
⚠️ Prop 65 Warning — Contains chemicals known to the State of California to cause cancer or reproductive harm.
⚠️ Not CARB Approved — Race/off-road use only. Not legal for street use on California-registered vehicles.
⚠️ CARB Acknowledgment Required — Buyer must confirm emissions compliance at checkout.
Identification
| Brand | Wiseco |
|---|---|
| Part Number | wisK666M855 |
| MFR Part # | K666M855 |
| UPC / Barcode | 193564448316 |
| Item ID | 874464 |
| Price Group | Wiseco |
| Born-On Date | 2025-07-10 |
| Category | Engine Components |
| Subcategory | Piston Sets - Forged - 4cyl |
Dimensions & Shipping
| Dimensions | 8.0" × 7.5" × 4.2" (L×W×H) |
|---|---|
| Weight | 8.40 lbs |
| LTL Freight | Standard Parcel |
| Air Shipping | Eligible |
Stock & Availability
| Status | ✓ In Stock (4 locations) |
|---|---|
| Warehouses |
● 01
● 02
● 03
● 59
|
| Regular Stock | No |
| Powersports | No |
Compliance & Regulations
| Prop 65 | ⚠ Warning Required |
|---|---|
| CARB | Not CARB Approved |
| CARB Ack. | Required |
| Active | Active |