Specs.:
- Increase in output by 8 to 15 horsepower
- Results in quarter mile time improvements of .2 to .25 seconds
- Manufactured from billet steel or aluminum
- Exceeds factory quality
- Please call or e-mail to find out if your application will require a different size accessory drive belt
- Full charge on battery achieved at 950 RPM
- The entire ASP line is available!!! If you do not see what you are looking for, please let us know.
Abbreviations:
- Nitride=Black Nitride Steel
- Nitride*=Black Nitride Steel with HBA Crank Pulley
- Zinc=Bright Silver in color
- HBA=Hard Black Aluminum
- HBLA=Hard Blue Aluminum
- HRA=Hard Red Aluminum
- HCA=Hard Clear Aluminum
Mustang Underdrive Pulley Sets & Supercharger Pulleys:
| PART # | DESCRIPTION | PRICE |
| 2007-2008 4V Mustang Cobra | ||
| 520003GT | 2007-2008 4V Mustang Cobra 2.70" Steel Blower Pulley | $119.99 |
| 003435GT | 2007-2008 4V Mustang Cobra Blower Pulley Puller/Installer | $129.99 |
| 2003-2004 4V Mustang Cobra | ||
| 520003 | 2003-2004 4V Mustang Cobra 2.80" Steel Blower Pulley | $109.99 |
| 520002 | 2003-2004 4V Mustang Cobra 2.93" Steel Blower Pulley | $109.99 |
| 003435 | 2003-2004 4V Mustang Cobra Blower Pulley Puller/Installer | $109.99 |
| 003435-1 | Blower Pulley Puller/Installer Replacement Threaded Shaft | $29.99 |
| 1999-2004 5.4 Lightning | ||
| 520003 | 1999-2004 5.4 Lightning 2.80" Steel Blower Pulley | $109.99 |
| 003435 | 1999-2004 5.4 Lightning Blower Pulley Puller/Installer | $109.99 |
| 2005-2008 3V Mustang | ||
| 527305 | 2005-2008 3V Mustang-Nitride(Harmonic Balancer Design) | $279.99 |
| 1996-2004 2V Mustang | ||
| 522328 | 2001-2004 2V Mustang-Nitride(Harmonic Balancer Design) | $239.99 |
| 527328 | 1996-2000 2V Mustang-Nitride(Harmonic Balancer Design) | $239.99 |
| 527728 | 1996-2000 2V Mustang-Nitride*(Piggyback Design) | $139.99 |
| 1996-2001 4V Mustang | ||
| 522375 | 2001 4V Mustang-Nitride(Harmonic Balancer Design) | $239.99 |
| 527375 | 1996-1999 4V Mustang-Nitride(Harmonic Balancer Design) | $239.99 |
| 527775 | 1996-1997 4V Mustang-Nitride*(Piggyback Design) | $139.99 |
| 1994-1995 5.0 Mustang | ||
| 525928 | 1994-1995 5.0 Mustang-Nitride | $109.99 |
| 825928 | 1994-1995 5.0 Mustang-HBA | $119.99 |
| 835928 | 1994-1995 5.0 Mustang-HBLA | $119.99 |
| 855928 | 1994-1995 5.0 Mustang-HRA | $119.99 |
| 845928 | 1994-1995 5.0 Mustang-HCA | $119.99 |
| 1979-1993 5.0 Mustang | ||
| 520125 | 1979-1993 5.0 Mustang-Nitride | $99.99 |
| 620125 | 1979-1993 5.0 Mustang-Zinc | $99.99 |
| 820125 | 1979-1993 5.0 Mustang-HBA | $109.99 |
| 829125 | 1979-1993 5.0 Mustang-HBLA | $109.99 |
| 822125 | 1979-1993 5.0 Mustang-HRA | $109.99 |
| 824125 | 1979-1993 5.0 Mustang-HCA | $109.99 |
3-Piece Underdrive Pulley Sets in Red & Blue Finishes shown above.
Misc. Products:
| PART # | DESCRIPTION | PRICE |
| 025030 | 1979-1995 5.0 Mustang Smog Pump Eliminator Kit | $74.99 |
| 028200 | 1979-1993 5.0 Mustang A/C Eliminator Kit | $74.99 |
| 029400 | 1979-1993 5.0 Mustang Power Booster Eliminator | $69.99 |
| 025000 | 1984-Early 1992 5.0 Mustang Solid Aluminum Engine Mounts | $74.99 |
| 027900 | 1979-1995 5.0 Mustang Solid Aluminum Transmission Mount | $44.99 |
1979-1995 5.0 Mustang Smog Pump Eliminator Kit shown above.
1979-1995 5.0 Mustang A/C Eliminator Kit shown above.