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Wiseco Pistons RCS08400 Ring Compressor Sleeve 84.0mm

Manufacturer

Wiseco Pistons

<h3>Wiseco Pistons: Over 80 Years of Forged Performance</h3><p>When it comes to high-performance engine internals, few names carry as much weight as <strong>Wiseco</strong>. Founded more than 80 years ago and headquartered in Mentor, Ohio, Wiseco has grown from a passion-driven racing operation into one of the world's foremost manufacturers of forged pistons for both automotive and powersport applications. Their pistons are engineered, forged, and machined on cutting-edge equipment right in the United States — a commitment to domestic craftsmanship that enthusiasts and professional racers have come to rely on.</p><p>At the heart of Wiseco's lineup are their <a href="/765-wiseco-pistons-engine-piston-5620">engine pistons</a> — the product that built the brand's legendary reputation. Unlike cast pistons, Wiseco's forged pistons are produced under intense pressure, aligning the grain structure of the aluminum for superior tensile strength and thermal resistance. Whether the application is a high-revving dirt bike, a boosted street car, a snowmobile pushing through deep powder, or a drag motor chasing elapsed-time records, Wiseco engineers a piston to suit the specific demands of each engine. Their catalog spans both 2-stroke and 4-stroke platforms, covering hundreds of engine applications for motorcycles, ATVs, UTVs, personal watercraft, snowmobiles, and performance automobiles.</p><p>For riders and builders focused on the powersport world, Wiseco's dedicated <a href="/765-wiseco-pistons-pistons-201273">powersport pistons</a> category delivers that same forged-aluminum precision tuned specifically for the unique demands of off-road and on-water machines. From Supercross champions to mountain snowmobile riders, Wiseco's powersport piston technology has proven itself at every level of competition.</p><p>Wiseco doesn't stop at pistons alone. A proper engine build requires complementary components, and the brand delivers. Their <a href="/765-wiseco-pistons-engine-piston-ring-compressor-18161">engine piston ring compressors</a> are purpose-built tools that simplify and protect the installation process, ensuring rings seat correctly without damage — a small but critical step in any successful rebuild. For builders tackling a complete overhaul, Wiseco's <a href="/765-wiseco-pistons-engine-rebuild-kit-5316">engine rebuild kits</a> bundle precision-matched components together, taking the guesswork out of parts sourcing and compatibility. And for those who want to address every wear surface in one go, Wiseco's <a href="/51875-engine-complete-assembly-overhaul-kit-wiseco-pistons-765">engine complete assembly overhaul kits</a> provide a comprehensive solution that covers the full scope of an engine restoration.</p><p>What sets Wiseco apart isn't just manufacturing quality — it's their deep roots in motorsport culture. Much of the team behind Wiseco's doors are avid riders and racers themselves, which means product development is shaped by real-world feedback from the track and trail. That philosophy — <em>built for racers, by racers</em> — is woven into every component that leaves their Mentor, Ohio facility. Whether you're chasing a championship or simply want the confidence that comes with a freshly rebuilt engine, Wiseco delivers the performance and reliability that serious builders demand.</p>

Part Number

RCS08400
09/17/2036 12:24 AM
Sale Price

$49.99

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco RCS08400 Ring Compressor Sleeve is precision-engineered to simplify piston installation for 84.0mm bore engines. Machined from the same forging materials used in Wiseco's high-performance pistons, this compressor sleeve delivers professional-grade durability and reliability.

Key Features:

  • Forged construction from Wiseco sleeve forgings for exceptional strength and toughness
  • Hard anodized finish with Teflon coating for reduced friction and extended service life
  • Smooth radius design that tapers precisely to 84.0mm bore diameter
  • Evenly compresses piston rings to prevent damage during installation
  • Especially effective with thin, high-performance oil rings that are prone to breakage
  • Professional-quality tool designed for engine builders and technicians

This ring compressor sleeve eliminates the frustration and risk of bending or breaking expensive piston rings during engine assembly. The tapered entry and low-friction coating allow rings to compress smoothly and uniformly, making even difficult installations straightforward. An essential tool for any shop working with performance engines or precision rebuilds.

Products specifications

Bore

84mm (3.307")

Maximum Diameter (in)

3.307 in.

Maximum Diameter (mm)

84.0mm

Minimum Diameter (in)

3.307 in.

Minimum Diameter (mm)

84.0mm

Piston Ring Compressor Finish

Black anodized

Piston Ring Compressor Material

Aluminum

Quantity

Sold individually.

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