CHEVY BIG BLOCK SERPENTINE
CONVERSION PULLEY SETS

Standard Rotation Short Water Pump Engine

Performance Ratios
Our performance serpentine pulley sets replace your Low performance V-belts and eliminate belt throwing while retaining your standard rotation water pump. Increases horsepower by reducing accessory drag. 12-15 h.p. at rear wheels typical. Precision CNC machined to run perfectly true. 6061-T6 aluminum for extra strength and wear. Finished with a “No Polishing” clear powdercoat.

 

High Water Flow Ratios
Increases cooling by speeding up water flow and fan speed. This helps at critical low speed driving where most overheating occurs. Precision CNC machined to run perfectly true. 6061-T6 aluminum for extra strength and wear. Finished with a “No Polishing” clear powdercoat.

 
Performance Ratios
Set #
Crank Pulley
Water Pump Pulley
Alternator Pulley With Nose Cover
Optional Water Pump Nose Cover
Optional Alternator Fan
7610
yes
yes
yes
312
221
High Water Flow Ratios
7670
yes
yes
yes
312
221

NOTE: Cars with power steering see complete kits on page 25.

Detailed Information of Set Components and Size 
7610 Set Drives: Water Pump, Alternator
Set Includes: Part#  
 
7611
6-Rib Crank Pulley 5 3/4” dia.
 
7612
6-Rib Water Pump Pulley 6 1/4” dia.
 
208
6-Rib Alternator Pulley w/Cover 3 3/4” dia.
7670 Set Drives: Water Pump, Alternator
 
7671
6 & 5-Rib Crank Pulley 7” dia.
 
6222
6-Rib Water Pump Pulley 5 1/4” dia.
 
208
6-Rib Alternator Pulley w/Cover 3 3/4” dia.

Matching Alternator Power Steering A/C Units Etc. - See Accessories