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Prevent overheating and improve cooling system efficiency on your GM LS engine with the Earl’s Hard Line Steam Tube Kit, engineered to remove trapped air and steam that can cause hot spots under high-performance conditions. Designed for precise fitment and dependable operation, this kit promotes consistent coolant circulation while maintaining a clean and professional engine bay appearance. High-quality stainless steel tubing combined with durable black anodized components ensures long service life and corrosion resistance.
This kit features a true bolt-on design and includes pivoting steam vent adapters for straightforward installation. Specifically engineered for compatibility with Holley LS Hi-Ram, Holley Single Plane, and Sniper Fabricated Intake Manifolds, it is an ideal solution for performance and custom LS engine builds requiring reliable thermal management.
Features:
Eliminates trapped air and steam to reduce engine hot spots
Direct bolt-on installation using included pivoting steam vent adapters
Compatible with Holley LS Hi-Ram intake manifolds
Compatible with Holley Single Plane intake manifolds
Compatible with Sniper Fabricated intake manifolds
Stainless steel tubing with black anodized components for durability
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.
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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).
