Products in Sale

680,956, 2001, & 2075

These stones will fit Sioux model 680, 956, 2001, and 2075á
$79.98

80 Grit Valve Grinder Stone for Grinding Extremely hard Titanium and Diesel Valves. 

7" Diameter,  Straight style, 11/16" overall thickness with 1 3/4" Hole Diameter With 15 degree Face Angle 

Fits Sioux Model 680, 956, 2001, & 2075 Valve Grinders

OEM Part Number:

$21.04

54 Grit Stem Grinder Stone. 

4" Diameter,  Straight Cup style, 1" overall thickness with 5/8" Hole Diameter 

Fits All Sioux / Thor Model Valve Grinders Except 682 and 685L, KO Lee Model K500 and K403C
OEM Part Numbers: 75571VR2M89, 73533, RV4GQKMB

$24.98

60 Grit General Purpose Valve Grinder Stone. 

4" Diameter,  Straight Cup style, 1" overall thickness with 5/8" Hole Diameter 

Fits All Sioux Model Valve Grinders EXCEPT 682 & 685L

OEM Part Number: 81

$42.00

70 Grit General Purpose Valve Grinder Stone. 

7" Diameter,  Straight style, 11/16" overall thickness with 1 3/4" Hole Diameter With 15 degree Face Angle 

Fits Sioux Model 680, 956, 2001, & 2075 Valve Grinders

OEM Part Number: 176

$42.00

80 Grit Valve Grinder Stone for Stelite Valves. 

7" Diameter,  Straight style, 11/16" overall thickness with 1 3/4" Hole Diameter With 15 degree Face Angle 

Fits Sioux Model 680, 956, 2001, & 2075 Valve Grinders

OEM Part Number: 177

$42.74

100 Grit General Purpose Valve Grinder Stone. 

7" Diameter,  Straight style, 11/16" overall thickness with 1 3/4" Hole Diameter With 15 degree Face Angle 

Fits Sioux Model 680, 956, 2001, & 2075 Valve Grinders

OEM Part Number: 176

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