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Hastings Manufacturing 6840S030
Hastings Single Cylinder Ring Set; Hastings 2.900" Bore +.030" 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 7003050
Hastings 2-Cylinder Ring Set; Hastings 3.1875" Bore +.050" 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 CM5530S030
Hastrace Single Cylinder Ring Set; Hastings Racing 4.000" Bore +.030" Over Size, Single 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 SM8560
HASTRACE 8-CYL RING SET; Hastings Racing 3.917"/99.49 mm" Standard Bore, 8-Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring, no dimension on Third Ring and a First Oil Ring is 3.00 mm.
