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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
4.9 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
80lb Dog Goes Wild Over This Pulpo
My dog goes wild over this toy. The key difference between this and other octopus chew and rip toys is that this has a head horn, crinkle legs, and a squeaker in every limb. It makes it so much fun to play with him. After he destroys the sounds, he parades it around for his victory show.
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Reviewed in the United States on May 30, 2024
★★★★★ 5
Nice toy
Nice toy. But our dog ripped it apart in less than an hour. Bassett hound
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Reviewed in the United States on December 27, 2019
★★★★★ 5
Cute toy that definitely entertains the pups.
These are adorable toys. They make a bit more noise than I expected as they have the crackly ‘stuff’ in the legs. My mastiff made it a whole day without destroying it. This is the first toy that’s survived him for more than 10 minutes, so that’s an endorsement even if it sounds bad. They are a great price for the size. If I were to say I have a wish for them, it’s that the material that makes up their belly was more durable.
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Reviewed in the United States on May 28, 2022
★★★★★ 4
Durability Not So Good
The size is great and having squeakers in all tentacles is super for the puppy but had to sew a seam withing one week of having it. Hoping the rest stays together.
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Reviewed in the United States on August 17, 2021
★★★★★ 5
Long lasting and fun
This toy has lasted longer than other octopus toys I've bought in the past. Even if a leg or two is ripped off, it still holds on.
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Reviewed in the United States on June 5, 2025