Wiseco 2-Stroke Piston

• Product Details

  Important note: This piston is for a stock or oversized bore. Please measure your cylinder to check clearance before ordering.

  Note: Image is for reference ONLY, actual contents will vary based on fitment.

  Standard Pistons:

  Wiseco leads the performance aftermarket by producing the highest quality forged pistons in the U.S.A. Wiseco is unique because they forge all of their own pistons in-house, and produce all of their own forge tooling in the U.S.A. This allows Wiseco to control all aspects of their manufacturing process from raw bar to skirt coating on the finished parts.

  • Much stronger than stock. Forged using the highest quality materials available resulting in a piston that provides excellent performance and durability.
  • Tight tolerances for quiet running. Featuring a race-ready dome finish with smooth edges for improved combustion flow.
  • More hours with peak performance between piston changes. The rings, wrist pin, and circlips are manufactured by Wiseco under their strict quality standards to make sure every piston kit fits correctly, ensuring top performance and long-lasting durability are achieved.
  • The Wiseco Pro-Lite Piston includes: piston, ring(s), wrist pin, and circlips.
  • Note: Oversize piston requires cylinder sleeving and top end bearing not included in kit.

  Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue. Each forging is designed to optimize the strength-to-weight ratio, and maximize performance.

  ArmorGlide Pistons:

  Wisecos new ArmorGlide skirt coating is the result of testing, development, and benchmarking through Wisecos rigorous in-house dyno program. The outcome is the ultimate in skirt coating toughness, lubrication, and bond technology working together to minimize friction, maximize horsepower, and provide improved wear resistance.

  Not only is ArmorGlide a high-tech lubricant that reduces friction, but it also allows the piston to be fitted tighter within the bore than a non-coated piston. The benefit of reducing piston to wall clearance is better ring seal and reduced noise from piston rock.

  Why choose Wisecos ArmorGlide skirt coating?

  • Lower friction increases the pistons efficiency and contributes to increased horsepower.
  • ArmorGlide actually compensates for uneven thermal growth of a piston bore, creating the perfect piston skirt profile for maximum power and bore sealing.
  • Wisecos ArmorGlide remains bonded to the base material for the typical life of the piston.
  • ArmorGlide skirt coating is applied only where needed so there is no inconsistent thickness or overspray into functional areas of the piston.
  • Wisecos computer controlled application process allows for an extremely consistent, uniform coating that follows the piston skirt profile.
  • Process times are tightly controlled so there is no compromise to the piston base material, heat treatment, or geometry; these times also provide the highest quality coating thickness and bonding properties.
  • After 67 years manufacturing pistons, Wiseco continues to be the industry leader in forged piston technology. They are dedicated to bringing you the latest technology.

  Choose Wiseco Pistons with ArmorGlide for your next high-performance or racing application!

  Racer Elite Piston Kit:

  Wisecos Racer Elite series forged 2-stroke pistons deliver industry-first 2-stroke piston design and technology to perform in even the most serious racing conditions. These are the first 2-stroke pistons to be forged from 2000 series alloy, providing even greater tensile strength. ArmorPlating surface treatment on the crown, in the ring groove(s), and in the pin bores protects from harmful operating conditions, while Wisecos proprietary ArmorFit skirt coating conforms to the cylinder bore for optimized fitment and performance. For the serious 2-stroke rider and racer, Racer Elite is the only choice.

  • Designed for full-race 2-stroke applications.
  • Engineered, forged, and machined in the U.S.A. in Mentor, OH.
  • First 2-stroke piston to be forged with 2000-series alloy, providing greater tensile strength.
  • ArmorPlating surface treatment on crown, in ring groove and pin bores protext from harmful detonation, friction wear, and ring micro-welding.
  • ArmorFit skirt coating conforms to the cylinder bore for optimized fitment, translating to optimized performance.
  • High-quality ring(s), wrist pin(s), and circlips included.

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• Wiseco 2-Stroke Piston Review

• 115 Questions about the Wiseco 2-Stroke Piston

• Fitment

• # Part Numbers for the Wiseco 2-Stroke Piston

  Product Variant	Manufacturer Part #
  .010in Oversize	573M06625, 513M06425, 431M07025, 818M06700
  .020in Oversize	573M06650, 561M08650, 562M06650, 571M06750, 575M08650, 601M06800, 871M08950, 752M04500, 513M06450, 234M07050, 431M07050, 439M07050, 456M04950, 539M04850, 579M04800, 649M04750, 826M04150, 493M05000, 520M04850-CL77
  .030in Oversize	513M06475, 573M06675
  .040in Oversize	573M06700, 561M08700, 562M06700, 571M06800, 575M08700, 648M04400, 871M09000, 513M06500, 222M04800, 234M07100, 405M06800, 431M07100, 432M05500, 435M05700, 439M07100, 452M07100, 455M05100, 539M04900, 649M04800, 771M05300, 772M06550, 826M04200, 456M05000, 457M05000, 466M06700, 477M04800, 478M08800, 497M05000, 509M05050, 511M05500, 514M04900, 519M05500, 520M04900
  .050in Oversize	573M06725, 513M06525, 431M07125
  .060in Oversize	573M06750, 561M08750, 562M06750, 871M09050, 513M06550, 431M07150, 432M05550, 452M07150, 542M04900, 649M04850, 818M06850, 493M05100, 509M05100, 519M05550, 520M04950, 826M04250
  .070in Oversize	573M06775
  .080in Oversize	573M06800, 561M08800, 562M06800, 571M06900, 575M08800, 871M09100, 648M04500, 752M04650, 822M05600, 513M06600, 234M07200, 431M07200, 432M05600, 435M05800, 542M04950, 569M05000, 649M04900, 456M05100, 477M04900, 478M08900, 485M07200, 508M05000, 511M05600, 520M05000
  .090in Oversize	573M06825, 513M06625
  .100in Oversize	561M08850, 526M06850, 513M06650
  .120in Oversize	561M08900, 526M06900
  .140in Oversize	561M08950, 526M06950-CL77, 878M07200
  43.50/STD	885M04350
  52.00mm	855M05200
  Armor Glide / +4mm Oversize	RE906M05800
  Flat Top Conversion / .080in Oversize	755M05600
  Flat Top Conversion / Stock Bore	755M05400
  GP Series / .080in Oversize	762M05600
  GP Series / Stock Bore	824M06640, 762M05400, 868M05400, 849M06640, 850M07200
  GP Series Racers Choice / .080in Oversize	841M05600, 765M05600
  GP Series Racers Choice / .120in Oversize	841M05700
  GP Series Racers Choice / .160in Oversize	836M05800, 788M05800
  GP Series Racers Choice / 52.00mm Big Bore	766M05200
  GP Series Racers Choice / Stock Bore	841M05400, 860M06640, 768M06640, 838M04750, 788M05400, 862M04850, 881M05800, 861M04450, 765M05400, 798M04700, 764M05400
  Pro-Lite / +2MM Oversize	877M04150
  Pro-Lite / .010in Oversize	526M06625
  Pro-Lite / .020in Oversize	546M08750, 559M05650, 560M06850, 564M05450, 605M06850, 626M05450, 641M05450, 642M06750, 643M04750, 644M04850, 645M04800, 646M04750, 647M05450, 651M05300, 652M05450, 676M05450, 677M06850, 702M06700, 711M06650, 754M05450, 526M06650, 833M04800, 880M05300, 616M05450, 782M04900, 879M04900, 631M07250-CL77, 806M04850, 797M05450, 726M05450, 804M06700, 805M04800, 448M05600, 653M04050, 515M06850-CL77, 518M05450
  Pro-Lite / .024in Oversize	614M06700
  Pro-Lite / .025in Oversize	607M06800, 617M06700
  Pro-Lite / .030in Oversize	526M06675-CL77
  Pro-Lite / .040in Oversize	546M08800, 553M05500, 557M05500, 559M05700-CL77, 568M05500-CL77, 582M05700, 595M05500, 603M05700, 616M05500-CL77, 626M05500, 629M05700, 631M07300, 641M05500, 642M06800, 643M04800, 644M04900, 645M04850, 646M04800, 647M05500, 652M05500, 676M05500, 677M06900, 702M06750, 711M06700, 750M07000, 754M05500, 526M06700, 801M06750, 833M04850, 799M06750, 782M04950, 879M04950, 770M06500, 864M04700, 823M06750, 806M04900, 797M05500, 726M05500, 804M06750, 805M04850, 448M05650, 653M04100, 515M06900, 518M05500
  Pro-Lite / .044in Oversize	614M06750
  Pro-Lite / .045in Oversize	556M06850-CL77, 607M06850, 617M06750
  Pro-Lite / .050in Oversize	526M06725
  Pro-Lite / .060in Oversize	546M08850, 559M05750, 564M05550, 641M05550, 645M04900, 754M05550, 526M06750, 823M06700, 448M05700, 653M04150, 518M05550
  Pro-Lite / .065in Oversize	614M06800
  Pro-Lite / .080in Oversize	797M05600, 546M08900, 553M05600, 558M06900, 559M05800, 564M05600, 641M05600, 642M06900, 643M04900, 645M04950, 646M04900-CL77, 647M05600, 651M05450, 652M05600, 676M05600, 677M07000, 702M06850, 711M06800, 719M05600, 726M05600, 741M05600, 746M04700, 754M05600, 756M06850, 770M06600, 782M05050, 783M05600, 801M06850, 804M06850, 806M05000, 833M04950, 834M05600, 835M05600, 526M06800, 880M05450, 843M06850, 879M05050, 740M05625, 786M05600, 803M04150, 845M05600, 448M05750, 518M05600
  Pro-Lite / .084in Oversize	556M06950
  Pro-Lite / .085in Oversize	614M06850, 617M06850
  Pro-Lite / .120in Oversize	833M05050
  Pro-Lite / International Bore	671M04600
  Pro-Lite / Pro-Lite Piston	833M04750
  Pro-Lite / Stock Bore	786M05400, 864M04500, 746M04500, 676M05400, 859M05400, 614M06640, 801M06640, 702M06640, 643M04700, 711M06600, 750M06900, 651M05250, 783M05400, 834M05400, 652M05400, 719M05400, 741M05400, 607M06740, 799M06640, 843M06640, 556M06740, 617M06640, 644M04800, 782M04850, 754M05400, 835M05400, 641M05400, 642M06700, 756M06640, 823M06640, 681M06640, 723M06640, 743M06640, 645M04750, 806M04800, 797M05400, 845M05400, 594M05600, 629M05600, 647M05400, 693M05400, 726M05400, 804M06640, 677M06800, 646M04700, 805M04750, 553M05400, 557M05400, 558M06700, 559M05600, 560M06800, 564M05400, 589M05600, 595M05400, 603M05600, 605M06800, 616M05400, 626M05400, 631M07200, 640M05400, 694M06750, 712M07200, 740M05425, 770M06400, 774M06640, 825M06400, 856M06640, 857M06640, 858M07200, 526M06600, 880M05250, 879M04850, 874M03950, 840M05400, 627M05425, 747M07800, 803M03950, 698M03900, 430M05600, 448M05550, 653M04000, 515M06800, 518M05400
  Pro-Lite, Single Ring / Stock Bore	566M05600
  Racer Elite / 0.020in Overbore	RE900M04800, RE901M04850, RE907M05300, RE924M04900
  Racer Elite / 0.040in Overbore	RE900M04850, RE901M04900, RE924M04950
  Racer Elite / 0.080in Overbore	RE900M04950, RE901M05000, RE905M05600, RE907M05450, RE908M05600, RE914M05600, RE920M04700, RE922M05600, RE924M05050
  Racer Elite / 0.120in Overbore	RE922M05700
  Racer Elite / 0.160in Overbore	RE901M05200, RE914M05800, RE927M05800
  Racer Elite / 0.200in Overbore	RE901M05300
  Racer Elite / 0.220in Overbore	RE915M05250
  Racer Elite / 105sx Stock Bore / 85sx +0.200in Overbore	RE918M05200
  Racer Elite / Stock Bore	RE900M04750, RE901M04800, RE902M06640, RE903M06640, RE904M05400, RE905M05400, RE907M05250, RE908M05400, RE909M05800, RE910M04700, RE911M06640, RE912M06640, RE914M05400, RE916M06640, RE917M06640, RE919M04450, RE920M04500, RE921M04750, RE922M05400, RE924M04850, RE925M06640, RE926M06640, RE927M05400
  Racers Choice / 5.5mm Oversized 103.5cc	767M05250
  Racers Choice / Stock Bore	737M06640, 736M06800, 808M06640
  Racers Choice, SuperMini / .160in Oversize	806M05200
  Racers Choice, SuperMini / .200in Oversize	806M05300
  Stock Bore	869M05600, 855M04700, 573M06600, 822M05400, 575M08600, 648M04300, 752M04450, 571M06700, 561M08600, 562M06600, 555M05600, 760M05400, 761M06640, 513M06400, 222M04700, 234M07000, 405M06700, 431M07000, 439M07000, 450M04950, 452M07000, 539M04800, 540M05600, 542M04750, 569M04800, 649M04700, 771M05200, 772M06450, 818M06680, 826M04100, 456M04900, 466M06600, 486M05600, 497M04900-CL77, 511M05400, 514M04800, 519M05400, 520M04800, 673M05000

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