1979-1993 5.0 Ford
Vortech Pulley Kit Shown
Eaton Blower Pulleys
| Year | Engine | Pulley Description | Info | Image | Nitride |
| 98-06 | 3.8L GTP Pontiac/Redline/Cobalt | 3.25″, 6 Groove Pulley | – | – | ASP540025 $99.95 |
| 98-06 | 3.8L GTP Pontiac/Redline/Cobalt | 3.4″, 6 Groove Pulley | – |  |
ASP540034 $99.95 |
| 98-06 | 3.8L GTP Pontiac | 3.5″, 8 Groove Pulley | – |  |
ASP540035 $99.95 |
| 99-04 | Cobra/Lightning Truck | 2.80″, 8 Groove Pulley | – |  |
ASP520003 $109.95 |
| 99-04 | Cobra/Lightning Truck | 2.93, 8 Groove Pulley | – | |
ASP520002 $109.95 |
| 89-94 | 3.8L T/Bird SC | 2.865″ 8 Groove Pulley | – | – | ASP520009 $109.95 |
Vortech Blower Pulleys
| Year | Engine | Pulley Description | Info | Image | Nitride |
| 97-04 | 4.6 L | 3.12″, 6-Groove Pulley | – | – | ASP510312 $79.95 |
| 79-95 | 5.0 Ford | 2.87″, 6-Groove Pulley | – | – | ASP510087 $79.95 |
| 79-95 | 5.0 Ford | 2.62″, 6-Groove Pulley | – | – | ASP510062 $79.95 |
| 79-95 | 5.0 Ford | 2.95″, 8-Groove Pulley | – |  |
ASP510095 $79.95 |
| 79-95 | 5.0 Ford | 2.85″, 8-Groove Pulley | – | |
ASP510085 $79.95 |
| 79-95 | 5.0 Ford | 2.75″, 8-Groove Pulley | – | |
ASP510075 $79.95 |
| 79-95 | 5.0 Ford | 2.50″, 8-Groove Pulley | – | |
ASP510050 $79.95 |
| 79-95 | 5.0 Ford | 2.80″, 10-Groove Pulley | – | – | ASP510280 $79.95 |
| 79-95 | 5.0 Ford | 2.50″, 10-Groove Pulley | – | – | ASP510250 $79.95 |
* Must state it is for a dodge and the pulleys are 8 rib so leave the rib closest the radiator open!
** Must state it is for a camaro
*** PN 003435GT Required for removal and installation
Paxton Blower Pulleys
| Year | Engine | Pulley Description | Info | Image | Nitride |
| 94-95 | 5.0 Ford | Call for sizes Made Pre/order | – | – | – Call |
| 79-93 | 5.0 Ford | 3.50″, 6-Groove Pulley | – | – | ASP810350 $79.95 |
| 79-93 | 5.0 Ford | 3.75″, 6-Groove Pulley | – | – | ASP810375 $79.95 |
| 79-93 | 5.0 Ford | 3.25″, 8-Groove Pulley | – | – | ASP810825 $79.95 |
| 79-93 | 5.0 Ford | 3.50″, 8-Groove Pulley | – | – | ASP810850 $79.95 |
| 79-93 | 5.0 Ford | 3.75″, 8-Groove Pulley | – | – | ASP810875 $79.95 |
| 79-93 | 5.0 Ford | 4″, 8-Groove Pulley | – | – | ASP810400* Call |
* Make Per Order
Paxton/Vortech Underdrive/Overdrive Crank Pulleys
| Year | Engine | Pulley Description | Info | Image | Nitride | Aluminum |
| 79-93 | 5.0 Ford | 7″, 6-Groove Pulley | – | – | – | ASP813000 $225.00 |
| 79-93 | 5.0 Ford | 7″, 8-Groove Pulley | – |  |
– | ASP810200 $225.00 |
| 79-93 | 5.0 Ford | 7″, 10-Groove Pulley | – | – | – | ASP810500 $225.00 |
| 79-93 | 5.0 Ford | 8″, 8-Groove Pulley | – | – | – | ASP810800 Call |
* Make Per Order
Impeller Speed Calculations
Crank Dia.
—————– = Ratio
Blower Dia.
—————– = Ratio
Blower Dia.
x RPM x Blower Ratio = Impeller Speed
| Internal Blower Ratio for blowers | |
| ATI P-600 | 3.05=1 |
| ATI P1-SC | 4.10=1 |
| ATI D1-SC | 4.10=1 |
| ATI D1-(all) | 4.44=1 |
| ATI F-(all) | 5.04=1 |
| Paxton SN | 4.44=1 |
| Paxton NOVI | 3.54=1 |
| Paxton GSS | 4.40=1 |
| Vortech V-1 | 3.45=1 |
| Vortech V-2SQ | 3.61=1 |
| Powerdyne DB11 | 3.05=1 |
Many more cars are under development. Call for makes and availability.