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Description
WISECO (K543M755) PRO TRU PISTONS; SPORT COMPACT SERIES; SET OF 4 PISTONS; RECOMMENDED RINGSET: 7550XX; RINGS & PINS INCLUDEDWorld renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines. Wisecos Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state of the art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru
World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines.
Wiseco’s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards.
Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.
Wiseco’s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards.
Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.
Bore: 75.5mm
Comp Height: 29.15
Comp Ratio: 8.5:1
Dome Volume: -14
Gram Weight: 230
Rod: 137
Stroke: 90
Comp Height: 29.15
Comp Ratio: 8.5:1
Dome Volume: -14
Gram Weight: 230
Rod: 137
Stroke: 90
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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
4.1 ★★★★★
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Product Reviews
★★★★★ 5
Papaya
I bought a papaya cream recently, and l really like it. It feels light on the skin, absorbs fast and leaves my face soft and smooth. It also give a gentle brightening effect over time. Overall, it's a nice everyday moisturizer.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Marie Originals Eczema Nourish Moisturizing Lotion
Size: 16 Fl Oz (Pack of 1)
Marie Originals Eczema Nourish Moisturizing Lotion benefit my skin health.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
need relief from dry, itchy skin
Size: 16 Fl Oz (Pack of 1)
This product is great for those with eczema or dry skin. This really does give relief for dry skin. The price is not bad, and a little goes a long way. Once you set a routine for yourself, this eczema nourishing moisturizing lotion does work
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Reviewed in the United States on April 30, 2026
★★★★★ 4
Great ingredients - very strong scent
Size: 16 Fl Oz (Pack of 1)
I have really dry skin and frequent eczema so ordered this lotion to try out. I use a standard colloidal oatmeal lotion typically and it's hard to find a good lotion that doesn't have petrolatum. This one uses olive and jojoba oils instead. I ran it through a product safety app and it scored a 93/100 which is REALLY good for an eczema lotion - the only potential problematic ingredient is peppermint leaf which can be an allergen for some folks.
It comes with a pump for easy use and I didn't find the lotion too greasy or oily - it seemed to absorb well. My only problem with the lotion is how strong the tea tree oil scent is - I use eczema lotion at bedtime and the smell was so strong, it was keeping me awake. If you're sensitive to tea tree oil, that could be an issue. But it's great for daytime use and has a nice, fresh scent. It's preventing the dryness and cracking on my hands that typically happens with "normal" lotions so the oat kernel flour is doing its job.
As long as you don't have an aversion to a strong tea tree oil scent, this is a perfect eczema lotion. I've only ever found a handful of them that don't use petrolatum and I appreciate that this one uses plant oils instead. It works to keep the hands from drying or cracking. The price tag is on point with the other eczema lotion I use with it currently being $21 for 16 oz. Definitely recommend this if you are looking for an ingredient-safe eczema lotion.
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Reviewed in the United States on June 26, 2025
★★★★★ 5
Works for itchy dry skin
Size: 16 Fl Oz (Pack of 1)
Works good
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Reviewed in the United States on April 9, 2026