Craftsman Roper 3.7 Chainsaw Piston and Cylinder
$89.95
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Top end motor kit includes: cylinder head, piston, rings, wrist pin, and connecting rod. 9579R, 643A1, 643A18, 643A12 In good used shape, makes good compression Fits many 917. series Craftsman Sears Roper 3.7 CID saws.
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