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Blitz Hard Blow Off Valve Spring

SKU. 05NHN    Part No. 70997A  

Main photo of Springs by Blitz 70997A Hard Blow Off Valve Spring

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Available to order
Usually ships in 6-8 weeks

All parts sold on this site are Competition Parts intended for Racing and Off-Road use only.
⚠ WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to
  • Overview

    Quick Info

    • For Blitz BOV

    • High Boost Applications

    • For Race Only

    Product Details

    Blitz 70997 Hard Blow Off Valve Spring. This stiffer spring upgrade is recommended for high boost applications to keep the valve shut for reduced boost leak. 

  • Specifications +
    Brand Blitz
    Part Number 70997A
    GTIN 643451449556
    Category Vehicle Parts ▸
    Forced Induction ▸
    Blow off Valve ▸
    Item Code 05NHN
    Length 3.0 in.
    Width 2.0 in.
    Height 2.0 in.
    Weight 0.10 lb.
    Created Monday, October 17, 2011
    Last Updated Thursday, December 20, 2018
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  • Vehicles Applications +
    • universal