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Keith Black Performance Hypereutectic Piston Kits
Manufacturer Part Number KB409C.005
J&P Part: 744-380
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Description for Keith Black Performance Hypereutectic Piston Kits
Keith Black Performance Hypereutectic Piston Kits
Fitment Note: Also fits 2007-13 96" models converted to a 103" big Bore kit.
• 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
Important Product Notes
Product Specs
Compression Ratio: 10:1
Cylinder Bore Size: 3.875″
Dimension Oversize: .005″
Manufacturer Part Number: KB409C.005
Material: Aluminum
Overall Size: Oversized
Sold in Units: Kit
Style: Forged
Warehouse Part Number: 1018415
Fitment for Keith Black Performance Hypereutectic Piston Kits
Select your motorcycle to 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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