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Skunk2 Alpha Series Valves are engineered for performance and reliability in Honda B-Series VTEC engines, specifically the B16, B17, and B18C. Manufactured from premium one-piece HNV-3 martensitic steel for intake and EV8 austenitic steel for exhaust, these valves undergo proprietary heat treatment and hard chrome plating for superior strength, reduced friction, and increased corrosion resistance.
Designed in-house by Skunk2 using advanced flow analysis and real-world testing, Alpha Series valves feature optimized head profiles that enhance airflow and combustion efficiency while offering 3–10g weight reduction over stock valves. Whether for street or competition use, they deliver exceptional sealing, stability, and durability under high RPM conditions.
Key Features:
One-piece forged design for strength and reliability
HNV-3 steel intake / EV8 steel exhaust construction
Proprietary heat-treated and hard chrome plated for reduced wear
Optimized head profiles for improved airflow and combustion
Dished head, standard compression configuration
3–10 grams lighter than stock for reduced valvetrain mass
Designed and tested in-house by Skunk2 engineers
Specifications:
Overall Length (IN/EX): 102mm / 102mm
Head Diameter (IN/EX): 33.00mm / 28.00mm
Stem Diameter (IN/EX): 5.48mm / 5.45mm
Weight (IN/EX): 43–44g / 37–38g
Design: Standard Intake / Standard Exhaust – Dished Head – Standard Compression
Recommended Upgrades:
Alpha Series Valve Springs & Titanium Retainers (P/N 344-05-1300)
Alpha Series Valve Springs (P/N 311-05-1350)
Pro XP Valve Springs (P/N 311-05-7350)
Pro Titanium Retainers (P/N 308-05-0300)
Vehicle Fitment:
Honda B16A/B
Honda B17A
Honda B18C
Included:
(1) Complete Set of Intake and Exhaust Valves (16 valves total)
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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