ATH Forged Pistons
Athena Engine Components › Pistons - Forged - Single

ATH Forged Pistons

Part # athS4F09500021A MFR # S4F09500021A UPC 8050444894637 ID 685788

Athena 03-10 Yamaha WR 450 F HC 94.94mm 4T Forged Racing Piston

✓ In Stock (1 location)
$276.91 MSRP $286.95 Save $10.04 (3% off)
Free ground shipping on eligible orders
⚠️ 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
BrandAthena
Part NumberathS4F09500021A
MFR Part #S4F09500021A
UPC / Barcode8050444894637
Item ID685788
Price GroupAthena B
Born-On Date2024-01-12
CategoryEngine Components
SubcategoryPistons - Forged - Single
Dimensions & Shipping
Dimensions4.1" × 4.1" × 4.1" (L×W×H)
Weight2.00 lbs
LTL FreightStandard Parcel
Air ShippingEligible
Stock & Availability
Status ✓ In Stock (1 location)
Warehouses
● 01 ○ 02 ○ 03 ○ 59
Regular StockNo
PowersportsYes
Compliance & Regulations
Prop 65No Warning
CARBNot CARB Approved
CARB Ack.Required
ActiveActive
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