SKU: 33737253693

GSC 4B11 Conical Valve Spring Kit for Evo X

Sale price$222.44 Regular price$247.16
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Description

GSC 4B11 Conical Valve Spring Kit for Evo XThe GSC Power Division high pressure conical valve spring with titanium retainers for the Evo X includes a full set of 16 titanium retainers, 16 conical valve springs and 16 valve spring seats. Vehicle Fitment: Mitsubishi 4B11T2008 2015 Evolution X IN: 112 lbs @ 1. 294" EX: 110 lbs @ 1. 300" install height IN: 259 lbs @ 0. 849" EX: 257 lbs @ 0. 855" Up to 11. 30mm lift camsIncludes:(16) Beehive Valve Springs(16) Titanium Retainers(16) Valve Spring

The GSC Power-Division high pressure conical valve spring with titanium retainers for the Evo X includes a full set of 16 titanium retainers, 16 conical valve springs and 16 valve spring seats.

Vehicle Fitment:
Mitsubishi 4B11T
2008-2015 Evolution X

• IN: 112 lbs @ 1.294" / EX: 110 lbs @ 1.300" install height
• IN: 259 lbs @ 0.849" / EX: 257 lbs @ 0.855"
• Up to 11.30mm lift cams

Includes:
(16) Beehive Valve Springs
(16) Titanium Retainers
(16) Valve Spring Seats

More Info:
True conical valve springs are not a new concept and are industry proven to provide several key advantages over traditional spring designs. A major advantage of conical springs vs. traditional cylindrical or beehive springs is the damping and removal of valvetrain harmonics.

Of the three designs, conical springs are the front runners in valvetrain harmonic stability. Utilizing a varying coil diameter as well as coil spacing, a conical spring acts as a natural harmonic damper in the transfer of valvetrain shock. This translates to less stress, less wear, and a longer life of the included components.

This level of protection is needed in today’s engines being pushed to their physical and mechanical limits by aftermarket modifications. Every GSC conical spring offers a super finished surface treatment to go along with the patented, multi-step heat treatment process. The finished product is an extremely reliable, high-performance spring allowing the users to push higher RPMs, use more aggressive cam profiles, and turn up higher boost pressures.

Part Number: GSC5062
Springs: Conical
Retainers: Titanium
Coil Bind: 0.818"
Install Height: 1.294 / 1.300"
Seat Pressure: 112 / 110 lbs
Open Pressure, 11.30mm Lift: 259lbs @ 0.849"
257lbs @ 0.855"
Maximum Valve Lift: 0.437"
Max RPM: 11,000
Max Boost: 55 psi
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33737253693

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E
enzofrost
Cuba, US
★★★★★ 4
Very solid option for comfort but the pattern of the shirt I received was off-putting
Size: Small, Color: Grey White Stripe
The shirt itself is great, sizing is spot on with an athletic tapered fit which I always prefer in a polo. The material is classic maelreg cotton feeling without the heaviness and water holding of typical cotton shirts. You can run in these polos, workout, go out to lunch or dinner, or simply sleep in these they are so comfortable. It's the patterns offered that made me return this and another I tried out. Colors are spot on with descriptions but the patters are small enough to play tricks on eyes, I received complaints from both my wife and daughter (separately) about the pattern hurting their eyes hence the 4 star instead of 5. Others may love the patter but know that it isn't as universally pleasing as more other shirts offered by this brand
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Reviewed in the United States on April 15, 2026
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Verified Purchase
Ramón Quezada
San Leandro, US
★★★★★ 5
Good
Size: Medium, Color: Navy Stripe
Good, soft material
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Reviewed in the United States on May 22, 2026
C
Verified Purchase
chris scharf
Charlottesville, US
★★★★★ 5
Comfortable, and good quality
Size: X-Large, Color: Cobalt Stripe
Nice quality for the $
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Reviewed in the United States on April 21, 2026
P
Pizza face
Birmingham, US
★★★★★ 5
Looks decent, doesn’t cook me in summer
Size: Medium, Color: Grey White Stripe
Bought this mainly as another golf shirt and wasn’t expecting much. Material is lightweight and comfortable enough during warmer days. Fit was pretty close to expected sizing. Sometimes inexpensive golf shirts end up feeling stiff or cheap after washing. This one has held up fine so far. Good everyday option.
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Reviewed in the United States on May 26, 2026
S
ScottsdaleCoug
Boise, US
★★★★★ 5
Most Comfortable Hoodie I’ve Ever Worn…
Color: White Light Blue Grid, Size: Medium, Color: White Light Blue Grid, Size: Medium
Arguably, this is one of the most comfortable hoodies I’ve ever worn—and that’s saying something. The fit, feel, and overall look just come together in a way that makes this an easy go-to. I’ve become a big fan of M MAELREG, and this hoodie continues that trend. Their focus on clean, sharp styling really shows here. It has a modern, athletic look without trying too hard, and it works just as well for casual wear as it does for something a bit more put together. My wife immediately noticed it—and that’s always a good sign. The standout feature is the fabric. It’s lightweight but not flimsy, with just the right amount of structure. The stretch is excellent, and it moves naturally without feeling restrictive. It also does a great job managing heat, which is a big deal here in Arizona. Whether I’m out running errands, heading to a showing, or just wearing it around the house, it stays comfortable and breathable. Another thing I appreciate is how versatile it is. This isn’t just a “gym hoodie” or something you only wear lounging—it genuinely fits in almost anywhere. It has that polished, performance look that makes it easy to dress up or down depending on the situation. At roughly $40, this feels like a strong value. You’re getting a well-designed, comfortable piece that looks good and performs even better. Final thoughts…. ✔️ Extremely comfortable with a lightweight, performance feel.
 ✔️ Clean, modern design that looks sharp in multiple settings.
 ✔️ Breathable and well-suited for warmer climates like Arizona.
 ✔️ Great stretch and mobility without feeling too thin.
 ✔️ Strong value for the price point.
 ⭐️1 star — I don't endorse this at all, poor quality. ⭐️⭐️ 2 stars — I don't endorse it: has multiple faults, or significantly overpriced. ⭐️⭐️⭐️ 3 stars — It's passable: it has some faults, some compromises, but the quality is acceptable for what it is. ⭐️⭐️⭐️⭐️ 4 stars — Product quite acceptable, and it does what it promises. ⭐️⭐️⭐️⭐️⭐️ 5 stars — Product that I totally endorse. Blown away. Drop everything and buy it!
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Reviewed in the United States on April 23, 2026

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