harley davidson motorcycle Twin Cam Keith Black flat top pistons, piston rings, pins and lock rings
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  • Evolution is the key word as these Keith Black Performance Piston Kits were spawned from this successful manufacturer's line of automotive pistons
  • Lightweight permanent mold cast pistons are manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and are heat treated to T-6 specifications producing a stronger than stock piston
  • This special alloy keeps heat confined to the combustion chamber and reduces heat transfer to the piston itself.
  • The result is a cooler running piston that can be fitted with a clearance as small as .00075 inch
  • Piston expansion is reduced by as much as 20% over conventional pistons
  • These tighter fitting pistons rock less, support the rings better, are more durable and retain compression better for maximum power
  • The key feature to these pistons is the accumulator groove between the top and second ring. This groove between the rings tends to average the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second, oil scraping, ring
  • Each set of pistons include wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
  • Standard Bore and Stroke Piston Kit.
  • Fits Twin Cam. 1550cc 95ci 3.875 inch std. bore, 4.0 inch Stroke.
  • 9.25:1 Flat top Piston
  • Item #: P600

Keith Black Pistons for Harley Davidson 95CI Twin Cams

Price: $247.01
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