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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
4.7 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 4
Good quality
Color: yellow
Perfect, just what I needed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2025
★★★★★ 5
Nice addition
Color: yellow
These aren’t the most gentle but a good gentle exfoliation. They are thick enough to keep the soap in. Fits a normal bar soap easily. With the quantity included you’ll be able to share as you’ll not need many yourself since they hold up to washing very well. The color is a nice off white- natural looking.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
All natural alternative to loofas
Color: yellow, Color: yellow
I love that they are all natural, plant based, and exfoliating. Mine is already starting to stink a little, so I’ve started making sure that I’m squeezing all the water and soap out after using and it doesn’t smell anymore lol. I prefer these over using loofa with microplastics. They are effective, strong, thick, and size is for small or regular sized soaps. If u have a bigger soap just use the soap first and then lather with this. You will still have to switch out every once in a while (like a loofa). Amazing value for price ⭐️
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Great exfoliation
Color: yellow
This does a beautiful job exfoliating, no more flakey legs. And it's gentle enough for the rest of my body. I'm on my 2nd bar of soap in my 1st bag and it's holding up well. I give it a good rinse after each use and hang it on a hook in my shower to dry. Well worth the money.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Extremely satisfied with my purchase.
Color: yellow
The ‘bag’ size is big enough to fit a LARGE (up to a 10 ounce bar of homemade/ handcut soap) bar or many tiny pieces. I am tired of using body wash (full of harmful chemicals) & a ‘pouf’ that may not be getting fully clean after throwing it in the washing machine periodically. The fabric quality is organic, natural & PREMIUM! It has little loops on the fabric which are great for lightly exfoliating & cleaning the skin, has a bead to keep opening closed and the string is long enough to fit around your wrist to hold it easily while bathing or showering. As far as effectiveness, it gets very bubbly if you get the fabric wet 1st & then make some traction (rub the wet bag back & forth onto the wet soap bar) between soap and the bag. For washing, use ‘wash bags’ (which are sold on Amazon & other retailers in many sizes) to keep them from being torn from buttons, zippers, etc on other items in the wash. With 8 in a pack, you should always have a clean one to use, while washing a previously used one. Rinse it out & Hang it after use to fully dry.
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Reviewed in the United States on October 23, 2025