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Keith Black Flat Top 3.498" 8.6:1 Piston Kit For Harley Evo 1984-1999

Keith Black pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal.

Features:

  • Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy
  • Allow a tighter fit and longer piston and ring life
  • Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth inch (.0005") tolerances from piston to piston
  • Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
  • Replacement piston rings and pin lock rings available separately

Note: Please read instructions included with piston for correct piston clearance.

Note: Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation
Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style +.020 J&P Cycles Item #10238313 Catalog Number431-732 Store Sku309409 MFR. Product #KB258.020 AvailabilityIn Stock: Ships within 24 hours
Product Style Standard J&P Cycles Item #10238311 Catalog Number431-725 Store Sku MFR. Product #KB258.STD AvailabilityIn Stock: Ships within 24 hours
Product Style +.005 J&P Cycles Item #10238312 Catalog Number431-731 Store Sku MFR. Product #KB258.005 AvailabilityIn Stock: Ships within 24 hours
Product Style +.010 J&P Cycles Item #10238315 Catalog Number432-023 Store Sku MFR. Product #KB258.010 AvailabilityIn Stock: Ships within 24 hours
Product Style +.030 J&P Cycles Item #10238314 Catalog Number431-733 Store Sku MFR. Product #KB258.030 AvailabilityIn Stock: Ships within 24 hours
Product Style +.040 J&P Cycles Item #10238316 Catalog Number431-734 Store Sku MFR. Product #KB258.040 AvailabilityOut of Stock

This product DOES NOT FIT your 2001 Polaris Scrambler 500 2x4

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