Refine Results

Reset

046 (2)

10032800 (2)

10041100 (2)

10044800 (2)

10050800 (2)

10079500 (2)

10123700 (3)

10127100 (2)

10127200 (2)

10150000 (2)

10151700 (2)

10159300 (3)

10165500 (2)

10176400 (2)

10176500 (2)

10213500 (2)

10272400 (2)

329 (4)

36-26150PT (2)

36-26157PT (2)

36-26185PT-2 (2)

36-26191PT (2)

36-26192PT (4)

36-26202PT (2)

36-26206PT (2)

36-26208PT (2)

36-26214PT (2)

36-26218PT (2)

36-26229PT (2)

36-26236PT (1)

36-26255PT (1)

36-26259PT (1)

36-26284PT (1)

36-26284PT-1 (1)

36-26306PT (2)

36-26378PT (1)

36-8523PT-2 (1)

36-8993PT-7 (1)

36-9036PT-2 (1)

36-9071PT (3)

36-9076PT-1 (3)

36-9081PT (3)

36-9170PT (3)

36-9250PT (4)

36-9293PT (2)

36-9354PT-1 (4)

36-9465PT (2)

36-9505PT (1)

36-9514PT (1)

36-9790PT-10 (5)

36-9790PT-4 (4)

36-9792PT-1 (5)

36-9885PT-3 (2)

36-9898PT-1 (2)

36-9957PT (2)

686 (1)

860 (1)

903 (2)

W6295 (2)

W6606 (2)

W6608 (2)

2.096 (1)

2.913 (2)

2.950 (1)

2.952 (2)

2.965 (1)

2.983 (1)

2.990 (6)

2.992 (1)

2.998 (1)

3.000 (1)

3.015 (1)

3.020 (2)

3.025 (1)

3.054 (1)

3.056 (1)

3.060 (3)

3.075 (1)

3.110 (2)

3.125 (1)

3.135 (1)

3.140 (1)

3.150 (3)

3.160 (1)

3.175 (4)

3.180 (1)

3.187 (3)

3.188 (9)

3.190 (2)

3.210 (1)

3.220 (2)

3.228 (2)

3.240 (4)

3.244 (1)

3.245 (4)

3.248 (1)

3.250 (7)

3.260 (1)

3.265 (2)

3.267 (1)

3.268 (2)

3.270 (6)

3.273 (1)

3.274 (1)

3.280 (3)

3.285 (1)

3.290 (2)

3.292 (1)

3.302 (1)

3.307 (2)

3.310 (2)

3.312 (1)

3.320 (3)

3.328 (1)

3.330 (8)

3.335 (1)

3.338 (4)

3.340 (1)

3.346 (2)

3.350 (1)

3.351 (1)

3.353 (2)

3.355 (3)

3.358 (1)

3.375 (2)

3.376 (1)

3.380 (2)

3.385 (4)

3.390 (2)

3.400 (4)

3.405 (1)

3.406 (1)

3.410 (1)

3.420 (3)

3.421 (1)

3.425 (4)

3.430 (2)

3.435 (2)

3.437 (1)

3.438 (3)

3.440 (6)

3.444 (5)

3.445 (5)

3.446 (2)

3.450 (6)

3.457 (1)

3.460 (9)

3.464 (1)

3.465 (1)

3.470 (3)

3.473 in (1)

3.479 (2)

3.480 (5)

3.481 (2)

3.490 (2)

3.495 (2)

3.498 (2)

3.500 (26)

3.503 (6)

3.504 (1)

3.510 (1)

3.520 (4)

3.523 (1)

3.527 (2)

3.530 (1)

3.531 (1)

3.532 (1)

3.535 (3)

3.540 (5)

3.545 (4)

3.546 (1)

3.550 (9)

3.551 (3)

3.560 (8)

3.562 (1)

3.570 (3)

3.573 (1)

3.575 (2)

3.576 (1)

3.580 (1)

3.586 (4)

3.587 (2)

3.590 (2)

3.595 (4)

3.597 (1)

3.600 (2)

3.620 (11)

3.622 (6)

3.623 (3)

3.625 (5)

3.630 (10)

3.631 (1)

3.635 (2)

3.640 (6)

3.645 (1)

3.655 (2)

3.660 (1)

3.661 (6)

3.670 (3)

3.675 (1)

3.677 (1)

3.680 (2)

3.681 (1)

3.685 (2)

3.687 (2)

3.689 (1)

3.690 (8)

3.700 (8)

3.701 (1)

3.705 (2)

3.710 (9)

3.714 (2)

3.715 (4)

3.720 (5)

3.730 (6)

3.736 (1)

3.740 (10)

3.750 (5)

3.760 (3)

3.770 (10)

3.775 (2)

3.780 (8)

3.785 (3)

3.790 (5)

3.800 (6)

3.810 (5)

3.811 (5)

3.819 (1)

3.820 (5)

3.826 (2)

3.830 (12)

3.835 (1)

3.840 (1)

3.850 (2)

3.855 (3)

3.858 (1)

3.860 (8)

3.861 (1)

3.870 (4)

3.875 (8)

3.880 (4)

3.890 (4)

3.900 (3)

3.907 (1)

3.910 (6)

3.920 (2)

3.930 (2)

3.931 (1)

3.938 (1)

3.940 (1)

3.945 (5)

3.946 (1)

3.950 (10)

3.952 (2)

3.965 (1)

3.976 (2)

3.977 (1)

3.990 (3)

3.996 (2)

4.000 (13)

4.015 (4)

4.019 (4)

4.020 (5)

4.026 (1)

4.028 (1)

4.035 (3)

4.040 (2)

4.045 (2)

4.050 (3)

4.055 (10)

4.057 (1)

4.060 (3)

4.063 (1)

4.070 (1)

4.074 (2)

4.080 (5)

4.090 (3)

4.091 (1)

4.094 (3)

4.100 (29)

4.110 (3)

4.120 (1)

4.122 (1)

4.124 (3)

4.125 (13)

4.126 (1)

4.130 (1)

4.134 (1)

4.135 (1)

4.140 (7)

4.145 (4)

4.146 (2)

4.150 (4)

4.155 (1)

4.160 (2)

4.165 (6)

4.166 (8)

4.175 (7)

4.180 (12)

4.190 (6)

4.200 (17)

4.210 (8)

4.220 (5)

4.223 (1)

4.250 (8)

4.270 (1)

4.300 (6)

4.312 (2)

4.313 (2)

4.330 (6)

4.351 (1)

4.360 (1)

4.362 (1)

4.365 (2)

4.370 (14)

4.400 (1)

4.410 (4)

4.420 (2)

4.500 (7)

4.505 (1)

4.520 (1)

4.525 (2)

4.528 (1)

4.530 (2)

4.540 (5)

4.580 (1)

4.590 (2)

4.620 (2)

4.630 (3)

4.640 (1)

4.670 (1)

4.700 (1)

4.730 (1)

4.745 (1)

4.750 (1)

4.774 (1)

4.795 (1)

5.462 (1)

5.812 (1)

68.100 (1)

72.500 (1)

73.000 (1)

73.800 (1)

74.000 (6)

74.930 (1)

75.000 (3)

75.311 (1)

75.946 (3)

76.000 (2)

76.149 (1)

76.200 (1)

76.835 (1)

77.000 (6)

77.571 (1)

77.724 (1)

78.105 (1)

78.994 (1)

79.500 (1)

79.629 (1)

79.756 (1)

80.000 (2)

80.010 (2)

80.264 (1)

80.500 (2)

80.645 (2)

80.772 (1)

80.949 (1)

80.950 (1)

81.000 (6)

81.026 (2)

81.500 (1)

81.788 (2)

82.000 (2)

82.042 (1)

82.296 (3)

82.398 (1)

82.400 (1)

82.423 (3)

82.500 (2)

82.550 (5)

82.981 (1)

83.000 (9)

83.058 (5)

83.100 (1)

83.300 (1)

83.312 (2)

83.439 (1)

83.570 (1)

83.617 (1)

83.850 (1)

83.950 (1)

84.000 (1)

84.074 (1)

84.125 (1)

84.328 (3)

84.500 (2)

84.582 (5)

84.785 (2)

84.800 (1)

85.000 (5)

85.217 (3)

85.725 (1)

85.979 (1)

86.000 (8)

86.106 (2)

86.360 (2)

86.512 (1)

86.614 (1)

86.700 (1)

86.868 (3)

86.995 (2)

87.000 (6)

87.122 (1)

87.249 (2)

87.299 (1)

87.310 (1)

87.325 (2)

87.376 (2)

87.477 (3)

87.500 (9)

87.503 (2)

87.600 (1)

87.630 (4)

87.808 (1)

87.884 (4)

88.000 (5)

88.010 (1)

88.138 (1)

88.214 (1)

88.367 (2)

88.392 (2)

88.417 (2)

88.646 (2)

88.773 (1)

88.849 (2)

88.900 (13)

88.976 (1)

89.000 (18)

89.001 (1)

89.154 (1)

89.400 (1)

89.408 (3)

89.484 (1)

89.500 (2)

89.540 (1)

89.586 (1)

89.662 (1)

89.687 (1)

89.700 (2)

89.900 (1)

89.916 (2)

89.992 (1)

90.000 (3)

90.043 (4)

90.068 (1)

90.170 (5)

90.195 (2)

90.200 (3)

90.364 (1)

90.400 (2)

90.424 (6)

90.500 (1)

90.678 (3)

90.820 (1)

90.932 (1)

90.983 (1)

91.100 (4)

91.250 (1)

91.313 (1)

91.400 (2)

91.948 (10)

92.000 (6)

92.024 (2)

92.075 (4)

92.202 (8)

92.250 (1)

92.456 (4)

92.500 (2)

92.600 (1)

92.700 (1)

92.837 (2)

92.964 (1)

92.989 (2)

93.000 (4)

93.322 (2)

93.345 (3)

93.400 (3)

93.472 (2)

93.500 (1)

93.650 (2)

93.700 (1)

93.726 (3)

93.980 (5)

94.000 (6)

94.107 (1)

94.234 (3)

94.336 (2)

94.361 (4)

94.488 (3)

94.500 (2)

94.700 (1)

94.742 (3)

94.894 (1)

94.900 (1)

94.996 (6)

95.000 (3)

95.250 (4)

95.500 (3)

95.758 (5)

95.885 (2)

95.900 (2)

96.000 (7)

96.012 (6)

96.139 (1)

96.200 (1)

96.266 (3)

96.300 (2)

96.520 (6)

96.774 (1)

96.799 (6)

96.800 (4)

96.901 (1)

97.028 (2)

97.180 (2)

97.280 (1)

97.282 (11)

97.540 (1)

97.790 (2)

97.917 (1)

98.000 (2)

98.044 (7)

98.069 (2)

98.298 (2)

98.400 (1)

98.425 (4)

98.430 (2)

98.552 (3)

98.800 (1)

98.806 (3)

99.060 (2)

99.238 (1)

99.314 (4)

99.500 (3)

99.568 (3)

99.822 (1)

100.000 (1)

100.025 (1)

100.080 (1)

100.200 (5)

100.300 (2)

100.330 (3)

100.400 (2)

100.711 (1)

100.990 (2)

101.026 (1)

101.346 (1)

101.500 (4)

101.600 (16)

101.980 (1)

102.082 (4)

102.108 (1)

102.260 (1)

102.489 (1)

102.490 (1)

102.620 (1)

102.740 (1)

102.870 (3)

102.997 (4)

103.000 (2)

103.047 (1)

103.124 (1)

103.200 (1)

103.479 (1)

103.600 (1)

103.630 (2)

103.632 (2)

103.886 (2)

103.900 (1)

104.000 (6)

104.140 (21)

104.390 (2)

104.394 (1)

104.700 (1)

104.750 (2)

104.775 (7)

104.780 (2)

104.800 (2)

105.029 (1)

105.160 (5)

105.200 (2)

105.280 (1)

105.283 (3)

105.300 (2)

105.410 (4)

105.791 (3)

105.816 (5)

105.820 (4)

106.045 (1)

106.050 (2)

106.170 (2)

106.172 (8)

106.426 (6)

106.680 (11)

106.934 (1)

107.00 (1)

107.000 (1)

107.188 (1)

107.190 (3)

107.270 (1)

107.950 (6)

108.000 (1)

108.460 (1)

109.220 (6)

109.524 (1)

109.525 (1)

109.550 (1)

109.980 (3)

109.982 (1)

110.515 (1)

110.740 (1)

110.794 (1)

110.871 (2)

110.998 (5)

111.000 (8)

111.760 (1)

112.000 (1)

112.010 (2)

112.014 (1)

112.270 (2)

114.300 (5)

114.430 (1)

115.000 (1)

115.100 (4)

115.316 (3)

115.36 (1)

116.400 (1)

116.586 (2)

117.348 (2)

117.602 (2)

117.856 (2)

117.900 (1)

118.618 (1)

119.400 (1)

120.500 (1)

120.600 (1)

120.650 (1)

121.800 (1)

138.700 (1)

0.000 (36)

+0.010 (21)

+0.020 (13)

+0.022 (1)

+0.030 (22)

+0.035 (3)

+0.039 (2)

+0.040 (12)

+0.041 (1)

+0.044 (1)

+0.050 (6)

+0.052 (4)

+0.053 (2)

+0.054 (1)

+0.060 (3)

+0.070 (4)

+0.072 (1)

+0.080 (2)

+0.086 (1)

+0.090 (1)

+0.096 (1)

+0.100 (1)

+0.110 (1)

+0.120 (1)

+0.140 (1)

+0.160 (2)

+0.170 (1)

+0.260 (1)

+0.320 (1)

+0.380 (1)

+0.710 (1)

+0.720 (3)

+0.750 (1)

+0.760 (1)

+1.000 (2)

+3.000 (1)

+4.000 (1)

Composite (81)

Copper/Fiber (3)

Embossed shim with precision rubber coating (2)

Fiber (1)

Fiber-Faced (13)

Graphite (9)

Graphite composite (1)

Multi-Layer Steel (665)

Nitroseal (2)

PTFE coated (1)

PermaTorque (104)

PermaTorque Severe Duty (13)

Printoseal (2)

Stainless steel (1)

Stainless steel core laminate (1)

Stainless-Steel Core Laminate (11)

Steel (1)

Steel Core Laminate (31)

Steel core laminate with Printoseal (3)

Steel-Core Laminate (106)

1 (14904)

2 (422)

6 (1)

12 (1)

.0040 (1)

0.010 (2)

0.016 (1)

0.018 (1)

0.019 (1)

0.020 (16)

0.021 (3)

0.023 (2)

0.024 (2)

0.026 (1)

0.027 (4)

0.028 (4)

0.030 (25)

0.031 (3)

0.034 (1)

0.035 (2)

0.037 (4)

0.039 (27)

0.040 (44)

0.041 (42)

0.042 (1)

0.043 (2)

0.044 (2)

0.045 (3)

0.046 (4)

0.047 (2)

0.048 (6)

0.049 (1)

0.050 (49)

0.051 (7)

0.052 (7)

0.053 (3)

0.054 (1)

0.056 (1)

0.059 (3)

0.060 (19)

0.062 (2)

0.063 (1)

0.065 (2)

0.068 (1)

0.070 (14)

0.080 (2)

0.687 (1)

0.700 (1)

0.750 (1)

0.950 (2)

No (1300)

Yes (14028)

1.100 (1)

1.532 (1)

1.622 (1)

2.490 (1)

2.554 (1)

2.603 (1)

2.738 (1)

2.752 (1)

2.769 (1)

3.064 (1)

3.082 (1)

3.099 (1)

3.226 (1)

3.244 (1)

3.392 (1)

3.452 (1)

3.505 (1)

3.678 (1)

3.697 (1)

4.233 (2)

4.256 (1)

4.282 (2)

4.335 (1)

4.537 (1)

4.543 (1)

4.569 (1)

4.703 (1)

4.730 (1)

4.921 (1)

5.000 (2)

5.088 (1)

5.239 (1)

5.286 (1)

5.314 (1)

5.343 (2)

5.400 (1)

5.401 (1)

5.404 (3)

5.430 (1)

5.438 (1)

5.517 (1)

5.628 (1)

5.634 (1)

5.664 (2)

5.753 (1)

5.792 (1)

5.951 (1)

5.986 (1)

6.021 (1)

6.178 (1)

6.271 (1)

6.343 (1)

6.525 (1)

6.598 (1)

6.700 (4)

6.746 (2)

6.784 (4)

6.797 (1)

6.821 (1)

7.000 (2)

7.201 (1)

7.356 (1)

7.396 (1)

7.473 (1)

7.659 (1)

7.671 (1)

7.750 (1)

7.800 (2)

7.871 (1)

7.883 (2)

7.911 (1)

7.973 (1)

8.019 (1)

8.110 (2)

8.156 (1)

8.237 (1)

8.261 (2)

8.348 (1)

8.423 (1)

8.433 (3)

8.526 (1)

8.563 (1)

8.616 (1)

8.654 (1)

8.700 (12)

8.760 (2)

8.810 (1)

8.857 (1)

8.870 (2)

8.879 (1)

8.883 (1)

8.900 (3)

8.953 (1)

8.979 (1)

8.995 (1)

8.998 (1)

9.000 (1)

9.001 (2)

9.066 (1)

9.086 (1)

9.088 (1)

9.100 (25)

9.146 (1)

9.168 (1)

9.200 (7)

9.300 (1)

9.308 (1)

9.400 (3)

9.440 (1)

9.460 (1)

9.500 (2)

9.519 (1)

9.571 (1)

9.615 (1)

9.638 (1)

9.688 (1)

9.700 (2)

9.738 (2)

9.762 (5)

9.786 (1)

9.788 (1)

9.831 (2)

9.838 (2)

9.871 (1)

9.920 (1)

10.015 (2)

10.100 (1)

10.120 (2)

10.296 (2)

10.344 (1)

10.346 (1)

10.374 (1)

10.385 (1)

10.448 (1)

10.477 (1)

10.515 (1)

10.538 (1)

10.555 (1)

10.600 (1)

10.608 (1)

10.611 (1)

10.622 (2)

10.623 (1)

10.744 (2)

10.760 (1)

10.870 (1)

10.900 (1)

10.923 (1)

10.927 (1)

10.934 (1)

10.976 (2)

10.990 (1)

11.083 (1)

11.169 (1)

11.200 (1)

11.290 (1)

11.400 (1)

11.476 (1)

11.506 (2)

11.566 (1)

11.733 (1)

11.800 (1)

11.899 (1)

11.900 (1)

11.950 (1)

11.971 (1)

12.065 (1)

12.267 (1)

12.334 (1)

12.517 (1)

13.423 (4)

13.460 (2)

13.700 (4)

13.752 (1)

14.000 (1)

14.478 (2)

14.790 (1)

14.800 (1)

15.145 (1)

15.200 (1)

16.044 (1)

16.441 (2)

16.658 (1)

18.336 (1)

No (14028)

Yes (1300)

No (1050)

Yes (18)

1 (1071)

2 (1)

4 (2)

10 (1)

.010 thicker for use when block has been resurfaced. (1)

.010 thicker for use when block is resarfaced. (1)

.510 diameter holes. Precision machining required. (1)

2 required. (1)

3.622 in. Bore, PermaTorque, Volvo, 2.1L, Each (1)

400 steam holes, suitable for aluminum block with liners, flattened steel wire r (1)

Bore Bead Seal (1)

Can be use on aluminum block with liners. Pre-flattened copper wire ring. (1)

Designed for high performance and heavy-duty engines. (1)

Designed to fit 16-valve engine with a VIN code 7. (1)

Driver side head gasket. (1)

Driver side only. (1)

Engine code F22A1, F22A4 and F22A6. (1)

Fel-Pro Head Gaskets for 1971-1973 CARINA, 1971-1982 COROLLA - 21179 PT (1)

Fit left side cylinder head position only. (1)

Fits 1973-1975 Austin Marina; 1962-1966 Elva Courier; 1962-1962 Elva Courier; 19 (1)

Fits applications with 20m dowel pins. (2)

Fits driver side only. (1)

Fits left side cylinder head only. (3)

Fits left side cylinder head. (1)

Fits left side only. (3)

Fits models with 18mm dowel pins. (2)

Fits passenger side only. (3)

Fits right side cylinder head only. (3)

Fits right side cylinder head. (1)

Fits right side only. (1)

Fits the driver side only. (1)

Fits the passenger side only. (1)

For commercial, industrial, and agricultural applications. (1)

For race use only on 400ci Engines (1)

For use with Brodix 5.00 in. bore center aluminum blocks. (1)

GM Marine BBC (1)

GM Marine SBC (1)

Gasket has "Bore Bead" combustion seal. Can be used on aluminum block with liner (1)

Head Gasket, 3.390 in. Bore, PermaTorque, for Nissan, Each (1)

Head Gaskets for 1975-1980 CELICA, CORONA, PICKUP (1)

Head Gaskets, 3.500 in. Bore, PermaTorque, for Nissan, 2.4L, 2.6L, Each (1)

Left Hand. (1)

Left Side Only (45)

Left hand side gasket only, head bolt replacement recommended. (5)

Left side gasket. For use on SOHC and DOHC engines. (2)

Left side only. pre-flattened steel wire (1)

Loc Wire (steel wire). For severe duty, such as nitrous or turbos. Requires prec (1)

MLS bore bead combustion seal. Suitable for Marine applications. (1)

Manufactured thickness 0.0468 in. - 0.572 in. (1)

Marine (12)

Model A and B 4 cylinder. (1)

No steam holes for 400 street engines. Intended for race-only 400 applications. (2)

OEM Replacement, 3.550 in. Bore, Fiber-faced, BMW, 1.8L, 2.0L, Each (1)

Passenger car. Engine codes VG30D and VG30DE. (1)

Passenger side only. (1)

PermaTorque Severe Duty gasket. (5)

Pontiac V8 (1)

Pre flattened copper wire combustion seal. (2)

Pre-Flattened Steel Wire with Steel Core Laminate (1)

Pre-Flattened Steel Wire with Steel Core Laminate (multi-pack of 10) (1)

Pre-flattened copper wire ring. (1)

Pre-flattened copper wire ring. Aluminum block requires liner (1)

Pre-flattened copper wire. For Aluminum heads only. Will not fit Gen V or GEN VI (1)

Pre-flattened steel wire ring. (3)

Pre-flattened steel wire ring. Also suitable for marine applications. Fits 455 O (1)

Pre-flattened steel wire ring. Cleveland SVO blocks. Will not fit production 2V (1)

Pre-flattened steel wire ring. With steam holes. (1)

Pre-flattened steel wire. Extra-large bore, but not recommended for engine bore (1)

Pre-flattened steel wire. Fits all series blocks. Also suitable for marine appli (1)

Requires a machined receiver groove in the cylinder head (2)

Requires precision-ground receiver groove in head. (1)

Retorque Type (1)

Right Side Only (38)

Right hand side gasket only, head bolt replacement recommended. (3)

Right hand side gasket. (1)

Right hand side only. (3)

Right hand side only. Retorque Type (1)

Right hand side. (2)

Right hand. Fits 2V engines only. (1)

Right side cylinder head gasket. (1)

Right side gasket. For use on SOHC and DOHC engines. (2)

Right side only. For use with large overbore. (1)

Right side only. Pre-flattened steel wire ring. (1)

Sold individually, 6 required (1)

Specifically for models with the 8th digit of 4 in VIN code. (1)

Stainless steel armor without wire ring. Perforated core Graphite. (1)

Stainless steel shim gaskets. (1)

This gasket does not have steam holes for 400 street engines. Designed only for (2)

This head gasket is designed for use with industrial and agricultural engine mod (1)

Uses 18 mm dowel pins (1)

Will also fit Yates cylinder heads. (2)

Wisconsin VD4 (1)

for Dodge Hemi Pro Stock engines (2)

pre-flattened steel wire (4)

Ajusa USA Corp.

ElringKlinger

FEL-PRO

MAHLE

Reliance Power Parts

Topline Automotive

Safety Auto Parts Corp.

JE Pistons / SRP

Engine Pro

Wiseco Performance Products

Dart

FP Diesel

Omix-ADA

EngineQuest

Silver Seal Products Company, Inc.

Filters

Browse Catalog

Catalog
Gaskets
Cylinder Head Gaskets and Sets
All Brands
All Series

Manufacturer

Engine Family

Engine Size

Reliance Power Parts CTMD27A00614

Reliance Power Parts Head Gasket. Engineered for heavy-duty diesel engines including Caterpillar, Cummins, Detroit Diesel, Navistar, and John Deere applications.

Fitment for Part #: CTMD27A00614

Choose a vehicle or an engine to see if this part applies.

Year / Make / Model

Year

Make

Model

Engine

Manufacturer

Manufacturer

Engine Family

Engine Size

1411
1412
1413
1414 (current)
1415
1416
1417

Page 1414 of 1527

Lost Sale

Reason

Note

Enter the competitor name and price.

Notify me when this item is in stock