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Upgrade your Nissan SR20DET engine with the HKS Piston Kit Part Number hks21003-AN001, designed for reliable performance and durability. This piston kit features precision-engineered components that ensure optimal combustion efficiency and enhanced power output. Crafted with high-quality materials, it provides excellent heat resistance and longevity, making it suitable for demanding automotive applications. The kit is an ideal choice for enthusiasts seeking to rebuild or upgrade their engine for improved performance and reliability.
Each piston in the HKS SR20DET 2.21 kit is engineered with meticulous attention to detail, ensuring consistent sizing and smooth operation within your engine's cylinder bores. The kit's design maintains proper compression ratios, supporting high-performance tuning and increased horsepower. Please note that this part is not CARB approved and requires acknowledgment of CARB regulations prior to installation. It is not suitable for air freight shipments, but it can be delivered via standard freight services. Whether rebuilding your engine or upgrading for increased power, the HKS Piston Kit offers a dependable solution for automotive enthusiasts and professional mechanics alike.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
