Wiseco Piston Kit 1984-1999 Harley-Davidson Evolution Big Twin 1361cc K1643
Part Number: K1643WISECO
- SKU:
- K1643
- MPN:
- K1643
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
Description
A top-end rebuild demands precision components that can handle the demands of Evolution Big Twin performance. The Wiseco K1643 Piston Kit delivers the complete package—forged pistons, rings, pins, and gaskets—engineered from high-silicon aluminum alloy to handle overboring or stock-bore rebuilds with reliable durability. Whether you're refreshing tired compression or building for sustained performance, this kit gives you the precision fit and proven reliability that serious Harley builders depend on.
- Fits: 1984-1999 Harley-Davidson Evolution Big Twin
- Displacement: 1361cc
- Bore Size: .030" overbore
- Material: High-silicon aluminum alloy
- Construction: Forged pistons
- Kit Includes: Pistons, rings, wrist pins, circlips, gasket
- Installation: Bolt-on top-end
- Note: Cylinder sleeves sold separately
- MPN: K1643
Specs
COMPRESSION RATIO IMPERIAL: |
8.5:1 |
RIDING STYLE: |
STREET |
BORE - OVERSIZE: |
+0,030' |
BORE OVERSIZE - IMPERIAL: |
+0.030' |
PRODUCT NAME: |
REBUILD KIT |
STROKE LENGTH IMPERIAL: |
4-1/4' |
TYPE: |
TOP END |
BORE SIZE IMPERIAL: |
3.528' |
PISTON MATERIAL: |
ALUMINUM |
PISTON MATERIAL: |
FORGED |
DISPLACEMENT: |
1361 CC |
UNITS: |
EACH |
Fitment
Fitment for Wiseco Piston Kit 1984-1999 Harley-Davidson Evolution Big Twin 1361cc K1643
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