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Product Description
H-D #256-37NA
Pair of replica Cast Alloy PISTONS with Expansion Strut
Come with PISTON PINS, KEEPERS and RINGS
Ring size is 3/16" Oil & 3/32" Compression
+ .100" oversize from Standard 3.3125" diameter
for all 74" 1937 - 1948 UL models
(RINGS & PIN style may vary in design from photo)
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