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  • Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
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Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
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Load image into Gallery viewer, Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
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Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400

Engine Components Valves
Skunk2 Racing
skk310-05-1400
Backordered
August 16, 2026
$301.67 $317.55
Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature hard chrome plating and fully machined valve heads. Other valves may appear similar, but only Alpha Series Valves feature specially designed valve head profiles to optimize airflow. Skunk2 designs, develops, and tests its entire valvetrain lineup in-house to ensure superior quality and maximum performance gains. During development, each valvetrain component is tested both on the dyno and the road. Manufactured from the best materials available in a state-of-the-art manufacturing environment ensure that Skunk2 valvetrain components provide exceptional performance, reliability, and quality. These components remain standard-issue on each Skunk2 vehicle that we build and support. Features & Benefits Overall Valve Length (Intake/Exhaust) 106.8mm/ 106.4mm Head Diameter (Intake/Exhaust) 35.00mm/ 30.00mm Stem Thickness (Intake/Exhaust) 5.48mm/ 5.45mm Stainless-Steel Alloy Construction Optimum Sealing/Airflow/Stability High-Compression Valves Available Proprietary Heat Treatment 3-10g Lighter Than Stock One-Piece Design
Skunk2 Alpha Series Honda/Acura Stock Size H Series Valve Set (Standard Compression) - 310-05-1400
SKU: skk310-05-1400
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature hard chrome plating and fully machined valve heads. Other valves may appear similar, but only Alpha Series Valves feature specially designed valve head profiles to optimize airflow. Skunk2 designs, develops, and tests its entire valvetrain lineup in-house to ensure superior quality and maximum performance gains. During development, each valvetrain component is tested both on the dyno and the road. Manufactured from the best materials available in a state-of-the-art manufacturing environment ensure that Skunk2 valvetrain components provide exceptional performance, reliability, and quality. These components remain standard-issue on each Skunk2 vehicle that we build and support.

Features & Benefits

  • Overall Valve Length (Intake/Exhaust) 106.8mm/ 106.4mm
  • Head Diameter (Intake/Exhaust) 35.00mm/ 30.00mm
  • Stem Thickness (Intake/Exhaust) 5.48mm/ 5.45mm
  • Stainless-Steel Alloy Construction
  • Optimum Sealing/Airflow/Stability
  • High-Compression Valves Available
  • Proprietary Heat Treatment
  • 3-10g Lighter Than Stock
  • One-Piece Design
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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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