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Hastings Manufacturing 7003030
Hastings 2-Cylinder Ring Set; Hastings 3.1875" Bore +.030" Over Size, 2-Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing CM5530030
Hastrace 8-Cylinder Ring Set; Hastings Racing 4.000" Bore +.030" Over Size, 8-Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 4.00 mm.
Hastings Manufacturing SM8557S045
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.125" Bore +.045" Over Size, Single Cylinder Ring Set with 4/93" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
