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Listed below are the two common groups of supercharger drive belts being employed to drive supercharged automotive and marine performance applications today. The belts are listed by their proper metric identification (length / pitch / width, expressed in millimeters), followed by the US conversion of length and width, and finally, the tooth count of the belt. The full scale profile schematics shown for each style belt can further help you in identifying which belt you might be presently using, plus inform you of the materials used in it's construction. Gates Rubber Company, the manufacturer of these belts, recommends you do not interchange the HTD and GT belt and pulley profiles.
Part
No. |
Description |
1/2" PITCH (Use for pleasure marine, sportsman type racing applications) |
129-27100 |
540-H-300 (54" x 3") 108 tooth |
129-27105 |
560-H-300 (56" x 3") 112 tooth |
129-27110 |
570-H-300 (57" x 3") 114 tooth |
129-27120 |
585-H-300 (58.5" x 3") 117 tooth |
129-27130 |
600-H-300 (60" x 3") 120 tooth |
129-27140 |
630-H-300 (63" x 3") 126 tooth |
8mm HTD (Use for pleasure marine, moderate competition applications) |
129-27200 |
1440-8m-75 HTD (56.7" x 2.95") 180 tooth |
129-27220 |
1440-8m-85 HTD (56.7" x 3.35") 180 tooth |
129-27230 |
1600-8m-75 HTD (63" x 2.95") 200 tooth |
129-27250 |
1600-8m-85 HTD (63" x 3.35") 200 tooth |
129-27255 |
1760-8m-75 HTD (69.3" x 2.95") 220 tooth |
129-27260 |
1760-8m-85 HTD (69.3" x 3.35") 220 tooth |
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