KB PERFORMANCE

Kb Performance Piston Kit - 3.498" +0.040" - 8.3:1 Cr - 4.250" Stroke - 80" Big Twin KB297.040

MSRP : $241.67
$210.15
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SKU:
DS-751263
UPC:
800745064516
Condition:
New
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SpecificationValue
Displacement1340 cc / 80"
UnitsKit
Bore Size3.498"
Compression Ratio8.3:1
Riding StyleStreet
Product NamePiston Kit
Bore Oversize+0.040"
Piston MaterialHypereutectic Alloy


  • Manufactured from high-strength, T-5, 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 one-half-thousandth-inch (.0005") tolerances from piston to piston
  • Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
  • Replacement piston rings and pin lock rings available separately
  • KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance.
  • Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.

FITMENTS

YearMakeModel
1980-1983Harley-DavidsonFLT Tour Glide
1980-1982Harley-DavidsonFLHS Electra Glide Sport
1980Harley-DavidsonTour Glide Classic FLTC
1983-1984Harley-DavidsonFXSB Low Rider - Belt
1978, 1980, 1981, 1982, 1983, 1984Harley-DavidsonFLH Electra Glide
1979-1980Harley-DavidsonFat Bob FXEF
1979-1980Harley-DavidsonSuper Glide 80 FXE
1981-1984Harley-DavidsonFXE Super Glide
1983Harley-DavidsonElectra Glide Standard FLHT
1983Harley-DavidsonFXDG Disc Glide
1979-1980Harley-Davidson1200 Electra Glide FLH
1981-1983Harley-DavidsonFLTC Tour Glide Classic
1980-1982Harley-DavidsonFXS Low Rider
1980-1984Harley-DavidsonFXWG Wide Glide
1979Harley-DavidsonElectra Glide FLH
1981-1982Harley-DavidsonElectra Glide Classic FLH
1983Harley-DavidsonFXRT Sport Glide
1981Harley-DavidsonElectra Glide Heritage FLH
1980-1982Harley-DavidsonFXB Sturgis
1982-1983Harley-DavidsonFXR Super Glide II
1984Harley-DavidsonFLHX Electra Glide Special
1982-1983Harley-DavidsonSuper Glide II FXRS
1979Harley-DavidsonLow Rider FXS
1981Harley-DavidsonFXEF Fat Bob
1983Harley-DavidsonFLHTC Electra Glide Classic
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Parts Unlimited