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CHEVY BIG BLOCK SERPENTINE
DRIVE
Outward Mount Standard Rotation Short
Water Pump
This system simply bolts
to the front of any big block Chevy heads. This bracket kit comes complete with
stainless steel tensioning rods and chrome moly rod ends for high performance
operation. All necessary hardware included. Clear 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 on our pulleys! Our street rod ratio increase water flow and fan speed.
This helps at critical low speed driving. Performance pulleys increase
horsepower by approximately 12 h.p. depending on accessories driven.
Application:
These
kits fit most mid and full size cars from the early 1950"s and newer. Kit
also fits 1969 and later Camaros and Novas.
Other cars check water pump
nose to radiator clearance. Water pumps with nose cover extend out 6.5"
from the engine block, plus clearance for mechanical or electric fans.
Works with OEM, Hot Rod Air and Vintage Air A/C Systems
Kit Includes:
Crank and water pump pulleys
Alternator pulley with
alternator fan and cover.
Outward mount alternator bracket and mounting
hardware.
Tension relocation arm
Stainless tensioning rod and rod ends
Water pump pulley nose cover.
Power steering kit includes bracket and pulley.
Remote reservoir kit includes idler pulley
Optional Matching Billet Accessories:
#400 crank pulley cover (high water flow kits only)
#450 billet remote power steering reservoir


Performance Kits (Increases Horsepower) |
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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 |
20530 |
yes |
- |
yes |
- |
- |
- |
56" |
20550 |
yes |
- |
yes |
- |
- |
yes |
59" |
20590 |
yes |
- |
(Electric) yes |
- |
- |
- |
53.8" |
20570* |
yes |
- |
yes |
yes |
- |
- |
61" |
20575* |
yes |
- |
yes |
- |
yes |
- |
61" |
High Water Flow Kits (Increases Cooling) |
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20540 |
yes |
- |
yes |
- |
- |
- |
56" |
20560 |
yes |
- |
yes |
- |
- |
yes |
59" |
20580* |
yes |
- |
yes |
yes |
- |
- |
60" |
20585* |
yes |
- |
yes |
- |
yes |
- |
60" |
Type of Accessories |
1966-74 keyway Saginaw pump with canister or our NEW Billet pump |
Dayco |
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* For use with 55-57 Chevys (side engine mounts only)
and 67-69 Camaros only.

Matching Alternator Power Steering
A/C Units Etc. - See Accessories
CALL US AT: 888-875-6666 |
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