User Manual

P/N: 4GE020-015 v1.0, 2010-05-24

Serpentine:

• Vortech # 2A031-250: 2.50" Diameter 10-rib driven pulley

• Vortech # 2A031-275: 2.75" Diameter 10-rib driven pulley

• Vortech # 2A031-295: 2.95" Diameter 10-rib driven pulley

• Vortech # 2A031-312: 3.12" Diameter 10-rib driven pulley

• Vortech # 2A031-333: 3.33" Diameter 10-rib driven pulley

• Vortech # 2A031-347: 3.47" Diameter 10-rib driven pulley

• Vortech # 2A031-360: 3.60" Diameter 10-rib driven pulley

• Vortech # 2A031-370: 3.70" Diameter 10-rib driven pulley

• Vortech # 2A031-380: 3.80" Diameter 10-rib driven pulley (included in some assemblies)

• Vortech # 2A031-387: 3.87" Diameter 10-rib driven pulley

• Vortech # 4MA018-041: 6.00" Diameter 10-rib drive (crank) pulley

• Vortech # 4MA018-051: 7.00" Diameter 10-rib drive (crank) pulley (included in some assem

blies)

• Vortech # 4MA018-061: 7.80" Diameter 10-rib drive (crank) pulley

• Replacement s/c drive belt: 2A041-635 (Dayco 5100635)

• Belt / pulley fit guide (customers required to source alternate belt length if not listed):

Cog:

• Vortech # 2A032-028: 28 Tooth Supercharger Cog Pulley 50mm

• Vortech # 2A032-030: 30 Tooth Supercharger Cog Pulley 50mm

• Vortech # 2A032-032: 32 Tooth Supercharger Cog Pulley 50mm (included in some assemblies)

• Vortech # 2A032-034: 34 Tooth Supercharger Cog Pulley 50mm

• Vortech # 4MA018-070: 70 Tooth Crank Pulley, 50mm

• Vortech # 4MA018-075: 75 Tooth Crank Pulley, 50mm (included in some assemblies)

• Vortech # 4MA018-080: 80 Tooth Crank Pulley, 50mm

• Replacement s/c drive belt: 2A042-161

• Cog belt / pulley fit guide (customers required to source alternate belt length if not listed):

Crank (in) S/C (in) Belt (in)

7 3.80 63.5

7 3.70 63.5

7 3.60 63.0

7 3.47 63.0

Crank (T) S/C (T) Belt (mm)

80 28 1600

75 34 1600

75 32 1600

75 30 1600

75 28 1584 (non-Vortech part)

70 34 1584 (non-Vortech part)