Technical Services
Pulley Quick Reference


Pulley Group Part # # Grooves A B G C F
P7 39483 2 34° .597 .875 2.94 .625
P7 52497 2 36 .500 .680 2.97 .531
P10 58975 2 36 .380 .560 2.56 .421
P10 74137 2 36 .500 .680 3.17 .610
P10 75450 2 36 .380 .560 2.32 .625
P10 76221 2 36 .500 .680 2.80 .423
P10 77841 1 36 .380   3.06 .421
P10 78967 2 36 .380 .560 3.24 .325
P10 99621 1 36 .380   3.44 .421
P10 99623 1 36 .380   3.44 .328
P10 99624 2 36 .380 .625 3.44 .421
P10 101179 2 36 .500 .680 2.875 .885
P11 59473 2 36 .500 .625 2.80 .375
P11 59474 2 36 .380 .560 2.56 .421
P11 73981 2 36 .500 .680 3.32 .518
P11 74247 2 36 .380 562 2.82 .437
P11 74268 3 36 .500 .625 3.04 .375
P11 74281 2 36 .500 .625 3.04 .375
P11 74289 1 36 .380   3.06 .421
P11 74290 2 36 .380 .625 3.06 .421
P11 74301 2 34 .597 .875 3.06 .760
P11 74308 2 36 .500 .625 3.04 .636
P11 74728 2 36 .500 .687 3.04 1.063
P11 74999 2 36 .500 .680 3.04 .437
P11 75799 2 36 .380 .640 2.82 .610
P11 75800 2 36 .500 .680 3.17 .610
P11 75801 2 36 .500 .680 3.32 .610
P11 76271 2 34 .597 .875 3.06 .625
P11 76699 2 36 .500 .680 2.92 .518
P11 77281 2 36 .380 .640 2.83 .320
P11 77730 2 36 .500 .625 3.75 .344
P11 78431 1 36 .380   3.34 .610
P11 78736 2 36 .500 .680 2.72 .660
P11 78798 1 36 .500   4.30 1.000
P11 78799 2 36 .500 .660 4.30 .820
Special 28 degree Pulley for Ford COE Truck with Super Duty Engine through 1974.
P11 78974 2 28 .625 .820 3.75* .730
P11 96145 2 36 .380 .562 2.56 .625
P11 96502 2 36 .500 .625 2.67 .636
P11 97044 2 36 .500 .680 3.50 .440
P11 97630 2 36 .500 .680 3.25 .660
P11 97630 2 36 .500 .680 3.17 .660
P11 101088 2 36 .380 .680 3.125 .450
P11 101640 2 36 .500 .690 3.25 .690
P13 58658   Blank .375 Dia x 2.38 Long
P13 99749 2 36 .500 .680 3.72 .375
*Nominal diameter




Pulley Group Part # # Grvs. AA BB C D E F APPLICATION
P10 96474 6 .670 .84 2.28 2.40 2.75 .75 GM 454 V8
2-BELT
GM 5.7L &
7.4L (454)
SERPANTINE
P10 100251 6 .670 .84 2.28 2.40 2.75 .69
P10 101100 6 .670 .85 2.89 3.12   .56
P10 101337 7 .875 .85 2.89 3.14 3.14 .67
P11 96868 5 .875 1.31 3.46 3.53 3.72 .87 GM 350 V8
2-BELT

'87-'89 FORD
7.5 LITER
FORD WITH
CAT. 3716
P11 96888 6 .875 1.74 2.42 2.75 2.75 .74
P11 96895 5 .875 1.31 2.28 2.40 2.75 .57
P11 100744 5 .875 1.31 2.75 2.99 * .66
P11 100739 6 .875 1.31 2.36 2.75 * .62
P11 100690 8 .875 1.31 2.92 3.14 * .80
P11 100564 5 .875 1.31   3.72 1.40 .73
P11 101304 6 .875 .85 2.89 3.12 * .56
P11 101466 8 .875 .85 2.55 2.75 * .80
P11 101488 8 .875 .85 2.91 3.14 3.14 .80
P11 101638 8 .875 1.31 3.46 3.53 3.72 .82
P11 101641 5 .875 1.33 3.47 3.72 3.53 .62
P13 101169 12 1.375 1.85 2.91 3.14 3.14 2.42  

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