VS Precision Castings are made to the tightest tolerances possible for any sand castings.  The result is less machining and handling for lower material and component costs.

Standard As-Cast Tolerances
Linear Dimensions in Millimeter
MM		Up to 10	10-18	18-30	30-50	50-80	80-120	120-180	180-250
In One Half of Mold		+/- 0.2	+/- 0.25	+/- 0.35	+/- 0.4	+/- 0.45	+/- 0.55	+/- 0.65	+/- 0.75
Across Parting Line		+/- 0.3	+/- 0.35	+/- 0.45	+/- 0.5	+/- 0.6	+/- 0.7	+/- 0.8	+/- 0.95
Linear Dimensions in Inches
Inches		Up to .40	.40-.70	.70-1.20	1.20-2.00	2.00-3.15	3.15-4.00	4.75-7.00	7.00-10.00
In One Half of Mold		+/- .008	+/- .010	+/- .014	+/- .016	+/- .018	+/- .022	+/- .026	+/- .030
Across Parting Line		+/- .012	+/- .014	+/- .018	+/- .020	+/- .024	+/- .028	+/- .031	+/- .037