Click on Part number to purchase Freeze Plugs

The Freeze Plug Factory carries over 250 different plugs in stock. We carry them in several materials and finishes. Can’t find your size? No problem! The Freeze Plug Factory can custom make any size for you! Trying to find plugs for a De Soto or a Studebaker? How about those special camshaft plugs? The Freeze Plug Factory will get you out of the jam. Let us help you, we will ship them out immediately.

Steel Metric Cup Plugs

To Order Click on Part #


For volume orders submit to contact form

 
Part No.
Plug Size.
Rec Bore Measurement.
10.8   MM
.425
11   MM
.433
12   MM
.472
14   MM
.551
16   MM
.63
16.5   MM
.65
17   MM
.669
18   MM
.709
19   MM
.748
20   MM
.787
21   MM
.827
22   MM
.866
23   MM
.906
24   MM
.945
25   MM
.984
25.1   MM
.988
26   MM
1.024
27   MM
1.063
28   MM
1.102
29   MM
1.142
30   MM
1.181
31   MM
1.22
31.5   MM
1.24
32   MM
1.26
32.4   MM
1.276
33   MM
1.299
34   MM
1.339
34.3   MM
1.35
35   MM
1.378
35.4   MM
1.394
35.5   MM
1.398
36   MM
1.417
36.5   MM
1.437
37   MM
1.457
38   MM
1.496
38.4   MM
1.512
39   MM
1.535
40   MM
.315
40.5   MM
.315
41.5   MM
.315
42.3   MM
.315
44   MM
.315
44.9   MM
.315
45   MM
.315
45.5   MM
.315
47   MM
.315
49.1   MM
.315
49.5   MM
.315
50   MM
.315
50.4   MM
.315
51   MM
.315
52.5   MM
.315
56   MM
.315
58   MM
.315

Pipe Plugs

PART NO
SIZE
MILLIMETER
500
1/16
C.S.Hex
501
1/8
C.S.Hex
502
1/4
C.S.Hex
503
3/8
C.S.Hex
503e
3/8 e (teflon)
C.S.Hex
504
1/2
C.S.Hex

Brass Metric Cup Plugs

To Order Click on Part #


For volume orders submit to contact form

 
Part No.
Plug Size.
Rec Bore Measurement.
10.8   MM
.425
11   MM
.433
12   MM
.472
16.5   MM
.65
14   MM
.551
16   MM
.63
17   MM
.669
18   MM
.709
19   MM
.748
20   MM
.787
21   MM
.827
22   MM
.866
23   MM
.906
24   MM
.945
25   MM
.984
25.1   MM
.988
26   MM
1.024
27   MM
1.063
28   MM
1.102
29   MM
1.142
30   MM
1.1811
31   MM
1.22
31.5   MM
1.24
32   MM
1.26
32.4   MM
1.276
33   MM
1.299
34   MM
1.339
34.3   MM
1.35
35   MM
1.378
35.4   MM
1.394
35.5   MM
1.398
36   MM
1.417
36.5   MM
1.437
37   MM
1.457
38   MM
1.496
38.4   MM
1.512
39   MM
1.535
40   MM
1.575
40.5   MM
1.594
41.5   MM
1.634
42.3   MM
1.665
44   MM
1.732
44.9   MM
1.768
45   MM
1.772
45.5   MM
1.7913
47   MM
1.85
49.1   MM
1.933
49.5   MM
1.949
50   MM
1.969
50.4   MM
1.984
51   MM
2.008
52.5   MM
2.067
56   MM
2.205
58   MM
2.283

Concave Cup Plugs

PART NO
SIZE
130 CC
1"
137 CC
1" 1/4
140 CC
1" 3/8
146 CC
1" 1/2
148 CC
1" 5/8
153 CC
1" 3/4
170 CC
2"

Stainless Steel Cup Plugs

To Order Click on Part #


For volume orders submit to contact form

 
PART NO
SIZE
Rec Bore Measurement
3/4
19.05
7/8
22.23
1
25.4
1   1/8
28.58
1" 1/4
31.75
1" 3/8
34.93
1" 1/2
38.1
1" 5/8
41.28
1" 3/4
44.45
34.3 MM
1.350
34.3 esp
1.330
56 mm
2.204

Steel Cup Plugs

To Order Click on Part #


For volume orders submit to contact form

 
Part No.
Plug Size.
Rec Bore Measurement.
5/16
.313
3/8
.375
13/32
.406
27/64
.422
7/16
.438
29/64
.453
1/2
.500
33/64
.515
17/32
.531
9/16
.563
37/64
.578
19/32
.593
39/64
.609
5/8
.625
41/64
.640
21/32
.656
11/16
.688
3/4
.750
13/16
.813
7/8
.875
29/32
.906
15/16
.938
1"
1.0000
1" 1/16
1.063
1" 1/8
1.125
1" 3/16
1.188
1" 7/32
1.219
1" 1/4
1.250
1" 5/16
1.313
1" 21/64
1.328
1" 3/8
1.375
1" 7/16
1.438
1" 31/32
1.969
1" 1/2
1.500
1" 9/16
1.563
1" 5/8
1.625
1" 41/64
1.641
1" 11/16
1.688
1" 45/64
1.703
1" 3/4
1.750
1" 49/64
1.766
1" 25/32
1.781
1" 51/64
1.796
1" 13/16
1.813
1" 7/8
1.875
1" 29/32
1.906
1" 59/64
1.922
1" 15/16
1.938
1" 61/64
1.953
1" 31/32
1.969
1" 63/64
1.984
2"
2.000
2" 1/64
2.016
2" 3/64
2.047
2" 1/16
2.063
2" 3/32
2.094
2" 7/64
2.109
2" 1/8
2.125
2" 9/64
2.141
2" 5/32
2.156
2" 3/16
2.188
2" 13/64
2.203
2" 7/32
2.219
2" 1/4
2.250
2" 3/8
2.375
2" 1/2
2.500
2" 9/16
2.563
2" 3/4
2.75

Brass Cup Plugs

To Order Click on Part #


For volume orders submit to contact form

 
Part No.
Plug Size.
Rec Bore Measurement.
5/16
.313
3/8
.375
13/32
.406
27/64
.422
7/16
.438
29/64
.453
1/2
.500
33/64
.516
17/32
.531
9/16
.563
37/64
.578
19/32
.593
39/64
.609
5/8
.625
41/64
.640
21/32
.656
11/16
.688
3/4
.750
13/16
.813
7/8
.875
29/32
.906
15/16
.938
1"
1.0000
1" 1/16
1.0625
1" 1/8
1.1250
1" 3/16
1.1875
1" 7/32
1.2188
1" 1/4
1.2500
1" 5/16
1.3125
1" 21/64
1.328
1" 3/8
1.375
1" 7/16
1.4375
1" 31/64
1.4843
1" 1/2
1.500
1" 9/16
1.5625
1" 5/8
1.625
1" 41/64
1.6406
1" 11/16
1.6875
1" 45/64
1.703
1" 3/4
1.750
1" 49/64
1.766
1" 25/32
1.781
1" 51/64
1.796
1" 13/16
1.813
1" 7/8
1.875
1" 29/32
1.906
1" 59/64
1.922
1" 15/16
1.938
1" 61/64
1.953
1" 31/32
1.969
1" 63/64
1.984
2"
2.000
2" 1/64
2.016
2" 3/64
2.047
2" 1/16
2.063
2" 3/32
2.094
2" 7/64
2.109
2" 1/8
2.125
2" 9/64
2.141
2" 5/32
2.156
2" 3/16
2.188
2" 13/64
2.203
2" 7/32
2.219
2" 1/4
2.250
2" 3/8
2.375
2" 1/2
2.500
2" 9/16
2.563
2" 3/4
2.750

New Products

Since 1967, Prokar continues to manufacture excellent quality plugs. Each plug is made to specifications as provided by the individual auto manufacturer. The Freeze Plug Factory will not be liable for any or all damages from plugs manufactured to the specifications of the auto manufacturer.