Manley Wear Caps .3110in Stem Valves Standard Set of 8
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$30.40
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
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Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Manley wear caps protect the valve tip from rocker contact. This standard cap fits .3110" (5/16") stem valves and requires a minimum tip length of .250".
Key Features
- Thru-hardened 4140 alloy steel
- Special heat treatment to HRc 50-54
- Ideal tip protection for titanium valves
Product Details
- Valve Stem Size: .3110" (5/16")
- Type: Standard
- Minimum Tip Length: .250"
- Material: Thru-hardened 4140 alloy steel
- Weight: 2.4 grams
- Quantity: Set of 8
- Manufacturer Part Number: 42139-8
Shipping Height: 2.0
Shipping Length: 3.0
Shipping Width: 2.5