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Keith Black Pistons  |  SKU: ROL-KB305.010

Keith Black Pistons KB305.010 +.010" Dome Top Pistons w/9.6:1 Compression Ratio for Big Twin 84-99 w/Evolution Engine

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$413.25 $435.00

Description for Keith Black Performance Hypereutectic Piston Kit, 3.508" Bore, 9.6:1

• Manufactured from high-strength, t-6, 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 on-half-thousandth-inch (.0005″) tolerances from piston to piston

• Includes two pistons, pins, spiro-lock pin clips and Hastings moly rings

• .010″ over bore and 9.5:1 compression

Product Specs for Keith Black Performance Hypereutectic Piston Kit, 3.508" Bore, 9.6:1

Bore or Stroke: 3.508"
Dimension Oversize: .010″
Displacement Size CC: 1340cc
Displacement Size CI: 80ci
Manufacturer Part Number: KB305.010
Sold in Units: Kit
Warehouse Part Number: KB305.010

Note: Keith Black pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instruction included with piston for correct piston clearance.

Note: Due to thermal conductivity and design, special attention is required to the top ring end gap. Please read instruction furnished with piston for correct ring installation.

(Part Numbers: ROL-KB305.010)

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