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CHEVY BIG BLOCK SERPENTINE
DRIVE
"Inward Mount" For Single Carbureted
Engines
Short Water Pump/Standard & Reverse Rotation
Precision CNC machined from solid billet 6061-T6 aluminum to fit perfectly and handle high torque and vibration. This bracket kit comes complete with stainless steel tensioning rods and chrome moly rod ends for high performance operation. All necessary hardware included. Powder coated to eliminate polishing in those hard to reach places. Matching serpentine pulleys are precision CNC machined from 6061-T6 aluminum. This is the same material we use for NASCAR pulleys! These pulleys will not fracture like common cast pulleys! High tensile strength means much longer wear. We go as far as hard coating the high wear areas to "65" Rockwell which is harder than steel! Our street rod ratio increase water flow and fan speed. This helps at critical low speed driving. All pulleys have a maintenance-free clear powder coat.
Application:
Fits most
cars. Requires 13" clearance from center of water pump shaft to hood.
Works with OEM, Hot Rod Air and Vintage Air A/C Systems
Kit Includes:
"
Alternator and A/C brackets, hardware and nose cover
"
Tensioning rods and rod ends
" Crank pulley, water pump pulley with
nose cover
" Alternator pulley with fan and nose cover
" Mounting hardware
" P/S kit includes bracket and pulley
Optional Matching Billet Accessories:
" #400 crank pulley cover
" #450 billet remote power steering
reservoir
" #20603 Idler Kit (prevents slippage when mechanical
fan is used with std. rotation water pump) non A/C applications changes belt
size - see instructions.

High Water Flow Kits (Improved Cooling) |
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Kit # Drives |
Alternator |
A/C |
Water Pump |
Saginaw Keyway P/S Pump |
Saginaw Press Fit P/S Pump |
Remote Reservoir P/S |
Belt Size |
20600 |
yes |
- |
yes std. |
- |
- |
- |
51" |
20605 |
yes |
- |
yes std. |
yes |
- |
- |
59" |
20610 |
yes |
- |
yes std. |
- |
yes |
- |
59" |
20615 |
yes |
- |
yes std. |
- |
- |
yes |
59" |
20620 |
yes |
yes |
yes rev. |
- |
- |
- |
65" |
20625 |
yes |
yes |
yes rev. |
yes |
- |
- |
71.5" |
20630 |
yes |
yes |
yes rev. |
- |
yes |
- |
71.5" |
20635 |
yes |
yes |
yes rev. |
- |
- |
yes |
71.5" |
Type of Accessories |
Dayco |
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Matching Alternator Power Steering A/C Units Etc. - See Accessories
CALL US AT: 888-875-6666 |
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