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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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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

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.
Show original supplier 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.

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

BrandGSC Power-Division
Part NumberGSC5042
CategoryEngines and Components
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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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