Engines and Components› Camshafts and Valvetrain

Ferrea Racing

Ferrea Infiniti VR30DDTT Single Valve Spring - Set of 24

$493.56

SKU: F00K S10169

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
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Advanced — 4+ hours

Overview

The Ferrea Racing S10169 is a single valve spring designed to control engine harmonics and prevent valvetrain failure. Developed from high-strength alloys and manufactured with state-of-the-art equipment, these springs are heat-treated and stress-relieved for increased lifespan. Strict quality control ensures consistent performance, providing the stability needed for high-lift, high-RPM racing engines while minimizing load loss.
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Part #: S10169

Vehicle Symptoms
  • ticking or tapping noise from valve cover at idle
  • misfire under high RPM load
  • rough idle or hesitation on acceleration
  • loss of top-end power and rev limit
  • intermittent valve float at high RPM
Diagnostic Codes
  • P0300 – Random or multiple cylinder misfire Det
  • P0301 – Cylinder 1 misfire Det
  • P0302 – Cylinder 2 misfire Det
  • P0303 – Cylinder 3 misfire Det
  • P0304 – Cylinder 4 misfire Det
  • P0305 – Cylinder 5 misfire Det
  • P0306 – Cylinder 6 misfire Det
Relevant Conversations
  • VR30DDTT valve spring upgrade forum
  • Ferrea S10169 valve spring install guide
  • Infiniti Q50 VR30 valve spring failure symptoms
  • P0300 misfire high rpm valve spring broken
  • best valve springs for VR30DDTT build
  • Ferrea vs OEM valve spring price
  • VR30DDTT valve spring install time
  • do I need upgraded valve springs for VR30 tune
  • Q60 red sport valve float at 7000 rpm
  • replacing valve springs on VR30DDTT

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

BrandFerrea Racing
Part NumberF00K S10169
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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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