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Engines and Components› Camshafts and Valvetrain

GSC Power-Division

Beehive Valve Spring Kit with Titanium Retainers

$470.49 $399.92 Save $70.57

SKU: GSC5042

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In Stock
Ships by Aug 1
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The GSC Power-Division GSC5042 is a performance valve spring kit engineered for the Mitsubishi 4B11T engine. This kit includes 16 beehive valve springs and 16 Grade 5 titanium retainers, designed to handle high-RPM engine operation. The springs provide 75 lbs of pressure at 1.350 inches on the intake side and 72 lbs at 1.361 inches on the exhaust side. This setup is capable of supporting camshafts with up to 12mm of maximum lift and maintaining valve control at RPMs exceeding 9500. This kit is compatible with the 2008-2015 Mitsubishi Evo X 4B11T. For optimal performance and reliability, GSC Power-Division also offers related valvetrain components and technical resources.

MIA's Description

The GSC Power-Division GSC5042 is a valve spring kit designed for the Mitsubishi 4B11T engine. This kit features beehive valve springs paired with Grade 5 titanium retainers.

It offers specific spring pressures at a given installation height: 75 lbs at 1.350 inches for intake and 72 lbs at 1.361 inches for exhaust. The springs are rated for operation up to 9500+ RPM and support a maximum lift of 12mm.

Fitment

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Specifications

BrandGSC Power-Division
Part NumberGSC5042
CategoryEngines and Components

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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