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KB V-Twin Set | KB919C.STD

  • •Forged 4032 alloy.
  • •Offset pin.
  • •Includes lockring, pin, & ring set.
  • •M42 Skirt Coating.

KB Forged Coated Piston - Evolution 80ci Flat Top +2.1cc 1984-99 Rod 7.7440


Product Specifications
Engine Manufacturer Harley Davidson
Engine Family Evolution 80" 1984-1989
Year Range 1984-1999
Eng. Disp. In. 80
Eng. Disp Liters 1340
Piston Material Forged 4032 Alloy
Bore Diameter IN 3.498
Bore Diameter MM 88.8
Stroke (in) 4.25
Stroke (mm) 108.0
Rod (in) 7.44
Rod (mm) 188.976
Compression Height IN 1.375
Compression Height MM 35
Ring Pack 1/16, 1/16, 3/16
Pin Diameter (in) .792
Pin Diameter (mm) 20.1
Pin Type Floating
Pin Configuration Offset
Pin Number 0792x216K
Lock RRN-81
Crown Type FLAT TOP
Crown (cc) +2.1cc
Compression Ratio 8.5:1 w/80cc
Intake Valve Depth/diameter .151/2.080
Exhaust Valve Depth/diameter .131/1.740
Top Land .250
Oe Deck Height 5.375
Oversized No
Oversize STD
Oversizes STD .005 .010 .020 .030 .040
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