Details
| What Does The Valve Kit Include? (6) Exhaust Valves - 1.455" Head Diameter | International Part # 1810086C1,2 (6) Intake Valves - 1.710" Head Diameter | International Part # 676687C1-4 (12) Guides - 2.750" OAL | International Part # 675439C1, ESN less than 72707. (For serial numbers greater than 72707 Warranty InformationOverviewWe stand behind every part we sell — new, rebuilt, or used. While RF Engine is not the manufacturer and cannot extend additional warranties, we do guarantee that each product will arrive as described, in usable condition, and free from material defects or misrepresentation. Warranty Coverage
Our GuaranteeAll parts are guaranteed to be in the condition stated at the time of sale and free from misrepresentation. If something isn’t right, we’ll work with you to resolve it — including returns, exchanges, or refunds when appropriate.
Used Parts — What to ExpectUsed parts are cleaned, inspected, and guaranteed to be usable, but please note:
We recommend careful inspection and strongly encourage installation by a qualified heavy-duty diesel mechanic.
Questions?If you have questions about a part’s condition, warranty, or how we handle returns and guarantees, feel free to contact us. We’re here to help. Last Updated: June 22, 2025 All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.
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