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Supertech Part # SPTSPR-M1007S

Supertech Mitsubishi 4G63/4G63T Single Valve Spring - Single (Drop Ship Only) - SPR-M1007S

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Canadian since 2005 Questions? Email sales@raptorracing.com

Single Valve Springs

Supertech single valve springs are crafted from premium Superclean Chrome Silicon Vanadium steel alloy for exceptional durability and performance. Each spring is computer-designed to maintain optimal wire stress levels and controlled harmonics, providing superior stability in extreme conditions.

A single spring design offers a simple, lightweight solution for builds that don't require the seat pressures of a dual spring setup, making it a popular choice for street performance and moderate camshaft upgrades.

Key Features

  • Premium Superclean Chrome Silicon Vanadium steel alloy
  • Computer-designed wire stress levels and controlled harmonics
  • Lightweight single-spring construction
  • Consistent seat and open pressures across the set
  • Precision wound and stress relieved for long service life
  • Designed to pair with Supertech retainers and seat locators

Applications

Ideal for street performance and mild-to-moderate race applications where reliable spring control is needed without the added mass and seat pressure of a dual spring.

Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.

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