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Engines and Components Camshafts and Valvetrain

Supertech

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

$752.12 $601.87 Save $150.25

SKU: S00P SPRK-M1005D

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Supertech SPRK-M1005D Dual Valve Spring Kit is designed for 4G63 Evo, DSM, and GVR4 engines. It includes 16 dual springs, 16 titanium retainers, 16 valve seats, and reduced O.D. valve seals. Made with premium Superclean Chrome Silicon Vanadium Steel alloy, these springs offer high performance and durability at high RPMs. Specs include: Pressure Seat: 80 @ 39.6mm; Max Lift: 16.00mm; Coil Bind: 23.50mm; Rate: 10.50 lbs/mm.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSupertech
Part NumberS00P SPRK-M1005D

Buy with Confidence

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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