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  • Wiseco 93-01 Honda B16A Civic SI 1.181 X 81.5MM Piston Shelf Stock Kit *MUST USE .040 Gasket*
    SKU: K673M815AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda B16A Piston Set, 81.50 mm Bore, 30.00 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Close-up of a shiny chrome engine piston with multiple rings and a black base bearing the TW logo.
    SKU: K542M8125AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda B16A Piston Set, 81.25 mm Bore, 29.85 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit
    SKU: PK1778

    Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.
    Wiseco 4 Stroke Forged Series Piston Kit, 83.50 mm Bore, 8.6:1 CR

    • Improved tensile strength of forged material optimizes strength and service life
    • Designed and built for each specific 4-stroke powersports engine
    • Dedicated forgings allow for optimized strength-to-weight ratio
    • Includes high-quality piston rings, wrist pin(s), and circlips
    • Engineered, forged, and machined in the USA in Mentor, OH
  • Wiseco 93-12 Yamaha YFM400 Kodiak/Big Bear (4676M) Piston Kit
    SKU: PK1779

    Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.
    Wiseco 4 Stroke Forged Series Piston Kit, 84.00 mm Bore, 8.6:1 CR

    • Improved tensile strength of forged material optimizes strength and service life
    • Designed and built for each specific 4-stroke powersports engine
    • Dedicated forgings allow for optimized strength-to-weight ratio
    • Includes high-quality piston rings, wrist pin(s), and circlips
    • Engineered, forged, and machined in the USA in Mentor, OH
  • Wiseco 97-01 Honda CR250R ProLite 2614CD Piston
    SKU: 702M06640

    The Pro-Lite series is Wiseco’s staple forged 2-stroke piston, offering great value for reliable all-purpose riding. These pistons are designed for both track and trail, providing refreshed performance with every ride. Pro-Lite pistons feature optimized forging for strength and extra lightning operations for enhanced throttle response. This all-purpose piston is perfect for riders seeking a balance of performance and reliability.
    Wiseco 2 Stroke Pro-Lite Piston Kit, 66.40 mm Bore

    • Dedicated forging design for strength-to-weight optimization
    • Extra lightening operations for enhanced throttle response
    • Engineered, forged, and machined in the USA in Mentor, OH
    • High-quality ring(s), wrist pin(s), and circlips included
    • Refreshed performance from the track to the trail
    • Designed for all-purpose 2-stroke riding
    • Great value for reliable fun factor
    • 66.40 mm Bore
  • Shiny metal engine piston with two compression rings and a flat top, viewed from the side.
    SKU: K683M82AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Mitsubishi 4G93 Piston Set, 82.00 mm Bore, 30.25 mm Compression Height, 0.748 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco 98-04 Honda TRX450ES Foreman 9.5:1 (4825M) Piston
    SKU: PK1591

    Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.
    Wiseco 4 Stroke Forged Series Piston Kit, 91.00 mm Bore, 9.5:1 CR

    • Improved tensile strength of forged material optimizes strength and service life
    • Designed and built for each specific 4-stroke powersports engine
    • Dedicated forgings allow for optimized strength-to-weight ratio
    • Includes high-quality piston rings, wrist pin(s), and circlips
    • Engineered, forged, and machined in the USA in Mentor, OH
  • Close-up of a shiny metal engine piston with piston rings and a black lower skirt bearing a JW logo.
    SKU: K593M815

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda B16 Piston Set, 81.50 mm Bore, 30.00 mm Compression Height, 0.8268 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Close-up of a chrome-plated car engine piston with a black skirt featuring an embossed logo on the side.
    SKU: K594M845

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda B16 Piston Set, 84.50 mm Bore, 30.00 mm Compression Height, 0.8268 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Close-up of a stainless steel vape atomizer deck with a black panel and a white logo on it.
    SKU: K573M88

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K20A Piston Set, 88.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Audi ADU 2.2L 20V 81.50mm Bore 32.80mm CH -21.00 CC 0.787in Pin Pistons - Set of 6
    SKU: KE222M815

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Audi ADU 2.2L 20V Piston Set, 81.50 mm Bore, 32.80 mm Compression Height, 0.787 in. Pin Diameter, European, Set of 5.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Audi RS2 2.2L 20V 5 cyl Bore (83mm) - CR (7.2:1) Pistons
    SKU: KE222M83

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Audi ADU 2.2L 20V Piston Set, 83.00 mm Bore, 32.80 mm Compression Height, 0.787 in. Pin Diameter, European, Set of 5.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
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