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Hastings Manufacturing 2M5515S
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.250" Standard Bore, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5540S005
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000"/101.60 mm Bore +.005" Over Size, Single Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 3.00 mm.
Hastings Manufacturing 2M5515S030
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.250" Bore +.030" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5540S025
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000"/101.60 mm Bore +.025" Over Size, Single Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 3.00 mm.
Hastings Manufacturing 2M5515S035
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.250" Bore +.035" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5540S030
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000"/101.60 mm 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 3.00 mm.
Hastings Manufacturing 2M5515S060
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.250" Bore +.060" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5540S035
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000"/101.60 mm Bore +.035" Over Size, Single Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 3.00 mm.
Hastings Manufacturing 2M8542S
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000" Standard Bore, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5515S065
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.250" Bore +.065" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".
Hastings Manufacturing 2M5540S040
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000"/101.60 mm Bore +.040" Over Size, Single Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 3.00 mm.
Hastings Manufacturing 2M8542S005
HASTRACE SINGLE CYL RING SET; Hastings Racing 4.000" Bore+.005" Over Size, Single Cylinder Ring Set with 1/16" Top Ring, 1/16" Second Ring and a First Oil Ring is 3/16".


