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Replacement Piston

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  • Replacement Piston
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J&P Part: 420-513


Replacement Piston

Fitment Note: .040" for 80 C.I. motors.

• Permanent mold die-cast pistons are made from SAE standard 321 aircraft-quality, low expansion aluminum alloy

• Made from all new molds and tooling and feature a new design cam-shape and taper

• Other features include precision ground skirts and a tin-plated finish to facilitate break-in as well as an integral strut in the Shovelhead pistons that guard against expansion and distortion

Important Product Notes

Product Specs

Dimension Oversize: .040"

Displacement Size CC: 1340cc

Material Processing Method: Precision Ground

Sold in Units: Each


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Fitment Note: .040" for 80 C.I. motors.

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Harley-Davidson® Models

Electra Glide FLH : 1978, 1981
Electra Glide Heritage FLH : 1981
Super Glide Electric Start FXE : 1978–1984
Touring Electra Glide FLH : 1982–1984
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