Engines and Components› Camshafts and Valvetrain

Skunk2

Pro Series XP Valve Spring Kit

$65.00

SKU: SK2 311-05-7350

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Skunk2 Pro Series valve spring kit is an XP (Extra pressure) kit designed for enhanced performance. This set includes 16 pieces and features specific technical information such as a seat pressure of 93 lbs at 1.320”, an open pressure of 238 lbs at 0.820”, and a coil bind of 0.718”.
Show original supplier description
The Skunk2 Pro Series XP (Extra Pressure) valve spring kit is engineered for performance applications, providing enhanced valve control. This comprehensive kit includes 16 pieces, offering a significant upgrade over stock components. Technical specifications for this kit include a seat pressure of 93 lbs at 1.320 inches and an open pressure of 238 lbs at 0.820 inches. The coil bind is measured at 0.718 inches, ensuring robust operation under demanding conditions. These springs are expertly wound, heat-treated, shot-peened, and chemically polished for durability and strength, resulting in lightweight valve springs that safely support higher RPMs. Specific fitments include various Honda Civic models (2-Door Coupe, 3-Door Hatchback, 4-Door Sedan, 5-Door Hatchback, Aerodeck, CRX, CRX Del Sol), Honda Integra models (3-Door and 4-Door), and Honda Prelude models.
Vehicle Symptoms
  • Engine misfire at high RPM
  • Valve float above 6000 RPM
  • Loss of power during acceleration
  • Ticking or knocking sound from valv train
  • Rough idle after camshaft upgrade
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSkunk2
Part NumberSK2 311-05-7350
CategoryEngines and Components
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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