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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
JDY Performance STG1 BMW S58 3.0TG8X Pistons by DiamondJDY Stage 1 Pistons for BMW S58 3. 0T M2 M3 M4 G8X The JDY Stage 1 and Stage 2 Pistons are high performance upgrades designed specifically for the BMW S58 engine platform. These pistons are engineered to handle extreme power outputs while offering enhanced durability and efficiency for high performance and racing applications. Available in stock bore size (84mm) with a 9. 2: 1 compression ratio, they deliver outstanding performance and reliability
JDY Stage 1 Pistons for BMW S58 3.0T M2 M3 M4 G8X
The JDY Stage 1 and Stage 2 Pistons are high-performance upgrades designed specifically for the BMW S58 engine platform. These pistons are engineered to handle extreme power outputs while offering enhanced durability and efficiency for high-performance and racing applications. Available in stock bore size (84mm) with a 9.2:1 compression ratio, they deliver outstanding performance and reliability under the most demanding conditions.
Key Features:
-
Piston Design:
- Stock Bore Size: 84mm.
- Compression Ratio: 9.2:1.
- Material: Billet 2618 alloy for high strength and lightweight performance.
- Available Options: Stage 2+pistons ( 1800+ HP).
-
Wrist Pins:
- Material: H13 super hard alloy.
- Dimensions: 23mm diameter, 0.225-inch pin wall thickness.
-
Piston Rings:
- equipped with Total Seal piston rings, which are thicker than OEM rings for better sealing, improved oil control, and enhanced resistance to higher combustion pressures.
-
Groove Re-Design:
- The piston ring grooves have been re-engineered for better heat management and durability, minimizing the risk of ring flutter and improving overall performance. Optimized groove depth ensures reliable sealing while accounting for thermal expansion under high-stress conditions.
-
Valve Pocket Design:
- Custom valve pocket grooves are designed to accommodate Kelford stage 1, 2, and 3 camshafts, allowing for better volumetric efficiency and greater valve lift without interference.
Stage 1 Pistons:
- Surface Finish: Standard Billet 2618 finish.
- Ideal for builds up to 1500+ horsepower.
- Durable and cost-effective solution for moderate high-performance applications.
Technical Specifications:
- Finished Bore Size: 3.307 inches
- Compression Ratio: 9.2:1
- Wrist Pin Diameter: 0.905 inches
- Wrist Pin Length: 2.250 inches
These pistons are engineered for compatibility with Kelford stage 3 camshafts, which allow for more valve lift, requiring deeper valve pockets that JDY has specifically designed.
Why Choose JDY Pistons?
JDY’s Stage 1 piston kits are meticulously crafted for enthusiasts and professionals aiming to push the limits of their BMW S58 engines. JDY’s pistons provide the durability, power, and performance needed for success on the street or track.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.6 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Sheer Sensitive SPF 50 ☀️
Size: 6 Fl Oz (Pack of 1), Style: SPF 50, Size: 6 Fl Oz (Pack of 1), Style: SPF 50
Application: Specifically purchased for use on the face.
Finish: Leaves the skin feeling moisturized, not greasy.
Appearance: Blends in perfectly with no white cast.
Value: Highly concentrated formula—a little goes a long way.
Verdict: A rare mineral-based sunscreen that actually feels lightweight and looks invisible on the skin. Ideal for daily protection without the heavy, oily feel of traditional sunscreens.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
★★★★★ 5
I LOVE this sunscreen!! Super affordable and lightweight for your skin!
Size: 6 Fl Oz (Pack of 1), Style: SPF 50
I love this sunscreen!! Love it so much I bought 3 bottles of it!
Super lightweight and blends right into the skin, and I don’t feel not sticky!
I got super excited and got this primarily because it’s lightweight, super affordable, SPF 50 for high protection, and it said there’s no alcohol or fragrance…heres the catch tho, there IS a slight sunscreen smell, but you only notice it when applying it and if you keeping smelling it on yourself up close during the day.
Other than that, it’s truly fragrance free in the sense that you aren’t just standing there doing your thing, and keep getting HIT with the scent of sunscreen for hours, like other sunscreens! The scent is extremely light and pleasant when you go to smell it on yourself.
Don’t EVER discontinue this please please please!!!!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
It’s great! So light weight!
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
I have been testing this out for a month now.
I love it. This does have avobenzone in it, and because of that, I do NOT put it around my eyes as avobenzone is a chemical sunscreen ingredient that typically tends to cause the of sensation of burning eyes! At least for me it does.
I use an Australian sunscreen around my eyes that doesn’t have anything that irritates my eyes. So for the rest of my face, this stuff is great. It literally is so serum like sinks into your skin within five minutes or sooner. Now it’s not the most hydrating thing in the world so if you have a dry skin, you still wanna go in with a moisturizer before however, if you have oily skin, this is your girl right here. Skin like finish, not super matte and not dewy at all. I do not wear primer so I don’t know how it plays with that. Works great under my makeup and has never caused pilling.
Quick, easy, simple ingredients, definitely sensitive skin friendly, and no fragrance at an affordable cost-effective price! Now if only banana boat decided to go cruelty free😭
9/10 bc not CF 💔
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Great sensitive skin sunscreen
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
Love this! I have sensitive skin. this did not sting my eyes, or burn my cheeks. Left no white cast. I'm not noticing any scent. It just feels like bare skin, it's not heavy, drying, oily or sticky. No pilling. Went on smooth, not streaky, looks like skin once dried down, not patchy. I hope they keep this in stock forever!
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Hydrating Itch Relief for Sensitive, Reactive Skin
I recently dealt with an allergic reaction that left me with red, intensely itchy hives across my body. Medication helped calm most of the symptoms, but this itch relief balm from Aveeno made a noticeable difference in soothing the lingering itch and rehydrating my irritated skin. The formula is very concentrated, so only a small amount is needed to cover a large area, and it begins to work quickly. There is no added fragrance, which is ideal when your skin is already reactive and sensitive.
The jar is generously sized, and the wide opening makes it easy to dip your fingertips in and smooth the balm over affected areas without fuss. The texture spreads well, absorbs cleanly, and leaves the skin feeling comforted rather than coated. I found it especially helpful during the recovery phase when my skin still felt dry and unsettled. Definitely recommend for anyone dealing with post‑reaction itch or general irritation.
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Reviewed in the United States on March 10, 2026
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