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Keith Black Performance Hypereutectic Piston Kit, 3.875" Bore, 10:1

Manufacturer Part Number KB409C-STD

J&P Part: 744-382

$202.99

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Description

Description for Keith Black Performance Hypereutectic Piston Kit, 3.875" Bore, 10:1

• Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy

• Allow a tighter fit, longer piston and ring life

• Diamond-machined pistons are held to plus or minus on gram weight and less than .005" tolerances between pistons

• Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings

• Replacement piston rings and pin lock rings available separately

• These pistons can be installed tighter than other pistons, resulting in less piston rock and better ring seal.

• Special attention is required to the top ring end gap, refer to instructions for correct piston and ring installation

Product Specs

Product Specs for Keith Black Performance Hypereutectic Piston Kit, 3.875" Bore, 10:1

Bore or Stroke:
3.875"
Compression Ratio:
10:1
Cylinder Bore Size:
3.875″
Dimension Oversize:
Standard
Displacement Size CC:
1690cc
Displacement Size CI:
103ci
Manufacturer Part Number:
KB409C-STD
Material:
Aluminum
Overall Size:
Standard
Sold in Units:
Kit
Style:
Forged
Warehouse Part Number:
1096342
Fitment

Fitment for Keith Black Performance Hypereutectic Piston Kit, 3.875" Bore, 10:1

This product fits a variety of motorcycles. Please select yours so we can find the right part and guarantee fitment. Select A Motorcycle

Fitment Note: Also fits 2007-13 96" models converted to a 103" big Bore kit.

Click (+) to view all compatible models

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Customer Reviews

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