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Description
MSD Iron Distributor Gear MSD8561Iron Distributor GearSmall Big Block Chevy, V6, . 500" shaft diameter, Melonized, Roll Pin Included Brand: MSD Part Number: MSD8561 Description: Increased outer hardened layer thickness (RC 55 60). Micro polished surface for smooth contact. Proprietary formulated ductile iron. Melonite QPQ coated reduces friction and initial wear. Interstitial carbide concentration improves wear resistance and running properties. Melonized for use with hydraulic
Iron Distributor GearSmall/Big Block Chevy, V6, .500" shaft diameter, Melonized, Roll Pin IncludedBrand: MSD
Part Number: MSD8561
Description:
- Increased outer hardened layer thickness (RC 55-60).
- Micro polished surface for smooth contact.
- Proprietary formulated ductile iron.
- Melonite QPQ coated reduces friction and initial wear.
- Interstitial carbide concentration improves wear resistance and running properties.
- Melonized for use with hydraulic roller camshafts.
- For aftermarket distributor with 0.500" diameter shaft.
A distributor's performance is only as good as its drive gear. MSD Ignition has put a great deal of effort into researching and testing a variety of metallurgical compositions, heat treating and coatings to provide you with a durable, accurate and strong distributor gear.
MSD engineers have built test fixtures and spent hundreds of hours testing and evaluating the metallurgy of our gears. The result is a special iron alloy gear that is treated to a low friction cess. To you this means long life, an easy break-in period and reliable performance
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
4.4 ★★★★★
Based on 65 reviews
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Product Reviews
★★★★★ 5
Excellent sunscreen
Size: 1.8 Fl Oz (Pack of 1), Color: Original, Size: 1.8 Fl Oz (Pack of 1), Color: Original
Excellent sunscreen. Colorescience Sunforgettable Total Protection Face Shield Classic SPF 50 has a lightweight texture, absorbs quickly, and leaves skin feeling soft and smooth. It provides very good protection and is perfect for everyday use. ☀️✨
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Reviewed in the United States on March 6, 2026
★★★★★ 3
Made my blush look orangey
Size: 1.8 Fl Oz (Pack of 1), Color: Original
I absolutely loved the feel and finish of this tinted sunscreen, but with or without my foundation on top of it, my Benefit Dandelion blush went from pink to a shade of orange. I have fair skin, blue eyes and strawberry blonde hair, which at this time of year is more strawberry than blonde. The orangey shade is definitely not my color. I was sad that this didn't work out, because the Colorscience made my skin look radiant really, until an hour or so after blush was applied. I so wanted a replacement for the Australian Gold Mineral sunscreen in original tint, because even though that tint looks great color-wise, it also makes my skin look dry and therefore accentuates my wrinkles, even when I mix it with Olay microsculpting cream moisturizer before I apply it. The Colorscience didn't accentuate the wrinkles. I feel certain this color issue is either a conflict with my Olay moisturizer, my own chemistry or the Benefit blush; maybe a combination of the three. If you have oily skin this sunscreen is moisturizing so it might not work for you. Otherwise, you may want to give this a try. Hate that I had to return it. No matter what, I've had a run-in with skin cancer, so I won't go without spf. I just have to keep looking ancient and dry with AG until I find one that works better for my coloring, skin type, and that plays well with my moisturizer and blush. I'm 62 yrs young, normal to dry combo skin. Hope this helps!
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Reviewed in the United States on March 20, 2022
★★★★★ 5
Brown skin friendly! No white cast! 🥳 Bye dark spots!
Size: 2.6 Fl Oz (Pack of 1), Size: 2.6 Fl Oz (Pack of 1)
Brown skin friendly! No white cast! 🥳
Colorescience comes through again! This is a fantastic sunscreen. It’s SPF 50 and it protects against blue light. So if you’re trying to get rid of hyperpigmentation, this will help you on your journey. I usually use tinted sunscreen for that reason but luckily, we have a non-tinted option with this! I use this primarily on my body because it doesn’t get stain clothing. But sometimes I use it on my face too, on its own or under a tinted formula. I like the light coverage for my face to even out my skin tone.
The texture is light and thin; reminds me of Tatcha silk screen but without the slight tint. This goes on white but somehow disappears into my skin. Also the price point is a better value, here. Even better when it’s on sale! I love Tatcha and use it regularly but I am happy to have this in my stash now. I had to get the big bottle when it was on sale. The formula is very elegant and leaves a natural finish. It spread and blends like a dream! It is so quick! You will NOT have to rub this in for 30 minutes to get it to blend. This physical sunscreen is a daily essential for me. It doesn’t burn my eyes or irritate my oily skin. It’s water resistant for 40 min, so it’s good for the summer heat.
But where are all the photos? Cause sometimes we need proof, right? Well, here is my contribution. I’m wearing this on my body (neck, chest, arms, legs, hands and feet).
* I reached out to Colorescience to ask about the effectiveness against UVA (aging) rays for this product. Other countries will usually mark this on a PA scale, the strongest protection being PA++++. But in the US, sunscreen isn’t required to specify how much; they are required to make sure it has at least the FDA “minimum” protection against UVA, and UVB (burning) rays and they have to label it “Broad Spectrum.” SPF is the protection level against UVB only. Colorescience has started to label some of their products with PA++++. Since this wasn’t labeled like that, I asked. They told me they recently completed testing and No-Show has earned the PA++++ rating. So they are in the process of updating the packaging. Colorescience knows what we want, even though the FDA is asleep at the wheel.
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Reviewed in the United States on June 2, 2025
★★★★★ 5
It Works REALLY well
Size: 1.7 Fl Oz (Pack of 1)
I have Lupus with Eczema and Psoriasis, and my skin is really sensitive. I was trying to find a sunscreen that wouldn't break out my skin when I was out and at home. I was looking on YouTube and came across a channel, DrDillyOfficial. She herself has eczema, so when she recommended the brand, I took a chance to buy this, and it was one of the best choices I made for my skin. Its cast free, very light weight and it has a nice glow effect so it doesnt make you shiny but the glow effect I love. When you're outside, you forget you even have it on its that good. I would highly recommend this it has been a life saver when going outside and worrying about sun protection
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Perfect daily face sunscreen
Size: 1.7 Fl Oz (Pack of 1)
Best daily sunscreen I have tried. Not greasy & leaves no white cast. Did not break out my face. It seems to make my skin look smoother & healthier while protecting it from daily sun damage. The consistency is not thick or too watery. It is thin enough to go on smooth and quickly. Just shake the bottle and lightly squeeze the tip onto your finger or face and smooth on evenly. Can be used under makeup as a base.
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Reviewed in the United States on January 4, 2026