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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Wiseco K634M865 Piston Kit - K24 w/ K20 Cylinder Head +5cc (12.5:1 Compression)Wiseco K634M865 Piston Kit Honda K24 w K20 Cylinder Head +5cc (Comp Ratio 12. 5: 1) Acura Honda K20 RSX S 2002 2006 Always check piston to valve clearance If using VTEC or like mechanisms check with longer duration higher lift lobe Always run at least . 030" piston to head clearance including gasket thickness If piston appears to be different than expected call to verify compatibility Also applicable to Acura Honda K24 & K24 (w K20 Cylinder Head) Most
Wiseco K634M865 Piston Kit - Honda K24 w/ K20 Cylinder Head +5cc (Comp Ratio 12.5:1)Acura / Honda K20 RSX-S 2002-2006
Always check piston to valve clearance
If using VTEC or like mechanisms - check with longer duration higher lift lobe
Always run at least .030" piston to head clearance including gasket thickness
If piston appears to be different than expected call to verify compatibility
Also applicable to Acura / Honda K24 & K24 (w/ K20 Cylinder Head)
Most Wiseco Pistons have an offset pin. Pins must be offset same as OEM for quietest operation. Optional pin upgrade available.
Product Specifications:
Bore Size: 86.50 / 3.405
Oversizes: .020
Stroke: 3.286 / 86
Rod Length: 5.472 / 139
Comp Height: 1.181 / 30
Head cc's: 50.5
Dome Dish: 5
Gasket Thickness: 0.025 / 0.630
Deck Clearance: 0.001- / 0.025-
Block Height: 8.347 / 212
Comp Ratio: 11.08
Pins (included): S618 (22mm)
Ring (included): 8650XX
Wiseco Pistons - Sport Compact Series: Wiseco is world renowned for their work building race winning pistons for compact engines featuring small bores multi-valves and high RPM applications for many years. Wiseco utilizes experience acquired from a diverse background of the most sophisticated engines in such venues as Formula 1 Indy Car Racing NHRA Pro Stock Bike AMA Superbike and AMA Motocross to design and manufacture the highest technology Sport Compact piston available.
Generous Valve Pocket designs that allow maximum flow around valve. Note: Piston to
valve clearance must be checked.
Piston Crown shapes designed to promote maximum Intake Charge efficiency thru
scavenging mixture “Cross Flow" during intake and exhaust valve overlap.
Pistons designed to optimize squish or quench during compression combustion cycle
event resulting in resistance to detonation and pre-ignition.
Complex Piston skirt profiles that reduce power robbing friction yet promote stability in
bore for optimum ring seal.
Precision machined ring grooves with proper orifice / accumulator volume using calculated
groove root diameters and axial widths featuring excellent surface finish and flatness
providing maximum ring seal and minimizes blow-by and oil consumption.
World class forging facility that utilizes the latest technologies featuring complex forged
shapes advanced materials and featured-aligned grain flow technology.
Piston weights listed may vary. All specs based on U.S. engine codes unless noted.
All Sport Compact pistons sold complete with rings pins and clips.
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
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Product Reviews
★★★★★ 5
golden
love this criterion two pack release. loaded with special features for both of these excellent films.
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Reviewed in the United States on May 11, 2023
★★★★★ 5
Overnight Magic in a Jar – Silky Hydration for Glass Skin
Color: Rice Probiotics (Barrier Jelly)
I’ve been using the Abib Rice Probiotics Overnight Mask Barrier Jelly for a couple of weeks now, and it has quickly earned a permanent spot in my skincare routine. It combines a clean, lightweight gel with deeply nourishing benefits—perfect if you're chasing that "glass skin" glow without heaviness.
Right out of the jar, the texture feels like a cross between a jelly and a balm. It glides on cool and soothing, absorbs within a minute, and leaves a glossy, hydrated finish that still feels breathable. It’s not greasy at all—just a gentle shimmer of hydration that makes your skin feel pampered, not overloaded.
Overnight, the formula truly does its work. In the mornings, I wake up to skin that looks softer, plumper, and noticeably clearer around the cheeks and chin. It helps lock in moisture so well that my skin stays balanced throughout the next day—no midday dryness or tightness, even when I use drying actives like retinol or vitamin C.
What really stands out is how bright and even my complexion looks. Fine, subtle dryness around my nose and mouth has disappeared, and my pores appear less obvious. The lightweight probiotic-rich formula feels soothing without burdening sensitive or acne-prone skin.
I also appreciate how well it layers in. I often apply it after serum or toner and then follow with SPF or a light moisturizer in the morning. My base products glide on beautifully over it—no pilling, no tacky residue, just glide and glow.
If you have dry, combination, or sensitive skin and want a glow-inducing overnight booster that isn’t heavy or pore-clogging, this gel mask is a dream. It provides the deep moisture of a sleeping mask but feels light and refreshing. A little goes a long way, and I’m already halfway through the jar—I’ll definitely be buying more.
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Reviewed in the United States on August 4, 2025
★★★★★ 5
Love it! Will repurchase
Color: Rice Probiotics (Barrier Jelly)
I bought this to help with moisturizing my skin that is somewhat sensitized. I get hormonal breakouts but with daily use of a prescription tretinoin and antibiotic cream I am able to keep them at bay. I also use a sulpher soap on work nights to cleanse thoroughly. All this has sensitized my skin. I use a thick nighttime moisturizer (C***ve Skin Renewing Night Cream) but it was still not enough for the dryness my skin was experiencing. I use this mask over my moisturizer and it soothes irritation and moisturizes my skin really well. Before I tried this mask I was using petroleum jelly over my moisturizer but this mask works better. It’s very thick but easy to spread. I’ve used it on my eyes and I’ve had no irritation. I apply it a couple hours before I go to bed and it soaks into my skin. After using it for a few weeks I think my skin is softer also. I will repurchase.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Sooo good!
Color: Rice Probiotics (Barrier Jelly)
This is AMAZING! I used this over my serums and a retinol moisturizer before bed and woke up with the most moisturized and smooth skin I’ve had in forever. It’s a thick consistency but smooths on easily. It is a bit tacky for a little bit before it dries down but absolutely worth it. I learned about this on Beautiful and Bothered and Johnny is right!!
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Reviewed in the United States on March 2, 2026
★★★★★ 4
A little goes a long way
Color: Rice Probiotics (Barrier Jelly)
I love overnight masks, especially for dull winter skin, and this is a really nice one! The texture is extremely thick and jelly like and it has a lovely cooling effect. It didn’t clog my pores or irritate my skin, though I do find that it feels a bit heavy and stifling if applied very liberally. But, after a few tried I’ve finally found the right amount, a little goes a very long way. Because of that, this little pot should last me a long time, even with regular use so it’s a great value! I like to layer it over my barrier protecting/repair products or over retinols and I wake up with hydrated, bright, and fresh skin in the morning! Highly recommend.
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Reviewed in the United States on February 13, 2026
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