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HKS Engine Components › Piston Sets - Forged - 4cyl

HKS Forged Piston Kits

Part # hks21003-AT009 MFR # 21003-AT009 UPC 4957266631898 ID 836611

HKS BCD Piston Kit G16E HC-TT STEP3 S3 D87.5

✓ In Stock (4 locations)
$2,820.00
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
BrandHKS
Part Numberhks21003-AT009
MFR Part #21003-AT009
UPC / Barcode4957266631898
Item ID836611
Price GroupHKS C
Born-On Date2025-02-13
CategoryEngine Components
SubcategoryPiston Sets - Forged - 4cyl
Dimensions & Shipping
Dimensions8.7" × 8.7" × 4.3" (L×W×H)
Weight4.20 lbs
LTL FreightStandard Parcel
Air ShippingEligible
Stock & Availability
Status ✓ In Stock (4 locations)
Warehouses
● 01 ● 02 ● 03 ● 59
Regular StockNo
PowersportsNo
Compliance & Regulations
Prop 65No Warning
CARBNot CARB Approved
CARB Ack.Required
ActiveActive
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