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Hastings Manufacturing 6953020
Hastings 1-Cylinder Ring Set; Hastings 3.110" Bore +.020" Over Size, 1-Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 5/32".
Hastings Manufacturing 9526S060
Hastings Single Cylinder Ring Set; Hastings 3.160" Bore +.060" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 5/32".
Hastings Manufacturing SM8550S
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.125" Standard Bore, Single Cylinder Ring Set with 4/93" Top Ring, 4/93" Second Ring, 4/93" Third Ring and a First Oil Ring is 3.00 mm.
