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Skunk2 Ultra Series Valves
Part #: 310-05-9540
$512.83
$487.19
For each
For each
Free Shipping! *to continental U.S. only
Fits On:
02-04 Honda CR-V K24A1, A4, A8, Z1, Z7, 04-08 Acura TSX K24A2, 02-04 Acura RSX Type S K20A2, A3, Z1, 02-05 Honda Civic Si K20A... See more
Description:
Skunk2 Ultra Series valves are their premium line valves manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings. These characteristics of the austenitic nickel based alloy enable high resistance to oxidation and corrosion and are designed for engines that output extremely high temperatures. Ultra Series Valves are heat-treated using a proprietary process for extraordinary strength and durability. Chromium Nitride coating is deposited on each valve using physical vapor deposition (PVD) process. This coating significantly improves wear and heat resistance, creating conditions for more durability and long term usage. Chromium Nitride coating is a remarkable solution as it improves the friction coefficient between the valve's stem and valve guide; a necessity for engine components that demand resistance to high heat level environments. 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 they build and support.
Overall Valve Length (Intake/Exhaust): 109mm/ 108.6mm
Head Diameter (Intake/Exhaust): 35.00mm/ 30.00mm
Stem Thickness (Intake/Exhaust): 5.48mm/ 5.45mm
One-Piece Forged
Chromium Nitride Coating
Optimum Sealing, Airflow, and Stability
Heat-Treated using proprietary process
16 Valves per kit.
Skunk2 Ultra Series valves are their premium line valves manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings. These characteristics of the austenitic nickel based alloy enable high resistance to oxidation and corrosion and are designed for engines that output extremely high temperatures. Ultra Series Valves are heat-treated using a proprietary process for extraordinary strength and durability. Chromium Nitride coating is deposited on each valve using physical vapor deposition (PVD) process. This coating significantly improves wear and heat resistance, creating conditions for more durability and long term usage. Chromium Nitride coating is a remarkable solution as it improves the friction coefficient between the valve's stem and valve guide; a necessity for engine components that demand resistance to high heat level environments. 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 they build and support.
Overall Valve Length (Intake/Exhaust): 109mm/ 108.6mm
Head Diameter (Intake/Exhaust): 35.00mm/ 30.00mm
Stem Thickness (Intake/Exhaust): 5.48mm/ 5.45mm
One-Piece Forged
Chromium Nitride Coating
Optimum Sealing, Airflow, and Stability
Heat-Treated using proprietary process
16 Valves per kit.
At Skunk2 Racing their goal is to build the highest quality and best performing aftermarket parts for today's sport compact cars. Skunk2 Racing products are designed for enthusiasts by enthusiasts. Drawing on nearly a decade of experience in the sport compact industry, they are able to create products that cater to the needs of the true enthusiast. As part of their commitment to continually build the best products, Skunk2 Racing remains actively involved in various forms of motorsports. Racing provides them with the data necessary to produce high performance parts utilizing innovative design, advanced metal alloys, cutting-edge manufacturing methods, and stringent quality control measures. All Skunk2 Racing products are carefully planned and designed using the latest computer simulation and modeling techniques, followed by careful testing in controlled laboratory environments using state of the art equipment. Furthermore, each product is subjected to rigorous road and race testing to ensure proper performance in the most extreme conditions. For these reasons, top street cars and race cars around the world rely on Skunk2 Racing products.
If you aren't yet convinced of the quality of Skunk 2 products, check out their track record:
• 1999 - Skunk 2 finished in drag racing with a perfect season.
• 2000 - The Skunk2 Integra was the first naturally aspirated car to run 10 seconds; it would take another year and a half for the competition to do the same.
• 2000, 2001, and 2002 - All Hondas finishing on the podium in World Challenge utilized Skunk2 parts or Skunk2 engines.
• 2005 - Marked the return of Project Beta and the Skunk2 Team once again redefined the standard of speed and performance by smashing its own records.
If you aren't yet convinced of the quality of Skunk 2 products, check out their track record:
• 1999 - Skunk 2 finished in drag racing with a perfect season.
• 2000 - The Skunk2 Integra was the first naturally aspirated car to run 10 seconds; it would take another year and a half for the competition to do the same.
• 2000, 2001, and 2002 - All Hondas finishing on the podium in World Challenge utilized Skunk2 parts or Skunk2 engines.
• 2005 - Marked the return of Project Beta and the Skunk2 Team once again redefined the standard of speed and performance by smashing its own records.
Q: How do you install valves?
A: Valves require headwork and should be left to the pros. While replacing valves, valve guides, retainers, valve springs and camshafts should all be considered for upgrades at the same time.
Q: What are valves? Why buy valves?
A: Valves are used to let a mixture of air and fuel into a cylinder and allow exhaust gases to get out. Each cylinder has at least two valves each, multi-valve engines have more, often four per cylinder. Upgraded head valves are able to withstand more heat from nitrous oxide use and turbo/supercharger use, so it's an excellent upgrade for people looking for added compression without sacrificing any reliability.
A: Valves require headwork and should be left to the pros. While replacing valves, valve guides, retainers, valve springs and camshafts should all be considered for upgrades at the same time.
Q: What are valves? Why buy valves?
A: Valves are used to let a mixture of air and fuel into a cylinder and allow exhaust gases to get out. Each cylinder has at least two valves each, multi-valve engines have more, often four per cylinder. Upgraded head valves are able to withstand more heat from nitrous oxide use and turbo/supercharger use, so it's an excellent upgrade for people looking for added compression without sacrificing any reliability.
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