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Part Numbers
Fitment
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
| Product Style | J&P Cycles Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Product Style Standard | J&P Cycles Item #10238311 | Catalog Number431-725 | Store Sku | MFR. Product #KB258.STD | AvailabilityOut of Stock |
| Product Style +.020 | J&P Cycles Item #10238313 | Catalog Number431-732 | Store Sku309409 | MFR. Product #KB258.020 | AvailabilityOnly 1 Left: Ships within 24 hours |
| Product Style +.005 | J&P Cycles Item #10238312 | Catalog Number431-731 | Store Sku | MFR. Product #KB258.005 | AvailabilityOut of Stock |
| Product Style +.010 | J&P Cycles Item #10238315 | Catalog Number432-023 | Store Sku | MFR. Product #KB258.010 | AvailabilityOut of Stock |
| Product Style +.030 | J&P Cycles Item #10238314 | Catalog Number431-733 | Store Sku | MFR. Product #KB258.030 | AvailabilityOnly 2 Left: 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 Fits
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Product Description
Part Numbers
Fitment
4 Customer Reviews for All Models
5/5
0 Questions & 0 Answers for All Models
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Reviews & Questions
4 Customer Reviews for All Models
0 Questions & 0 Answers for All Models
