ATH Top End Piston Kits
Athena Engine Components › Piston Sets - Powersports

ATH Top End Piston Kits

Part # athP4C0540077020B MFR # P4C0540077020B UPC 8053300717590 ID 683917

Athena 21-23 Gas Gas MC 125 53.95mm Bore Cast 2-Stroke Top End Piston Kit w/Top End Gasket Kit

✓ In Stock (1 location)
$156.28 MSRP $161.95 Save $5.67 (4% 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 NumberathP4C0540077020B
MFR Part #P4C0540077020B
UPC / Barcode8053300717590
Item ID683917
Price GroupAthena B
Born-On Date2024-01-12
CategoryEngine Components
SubcategoryPiston Sets - Powersports
Dimensions & Shipping
Dimensions8.7" × 7.1" × 5.3" (L×W×H)
Weight0.20 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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