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large inventory of new and used parts
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Increase your knowledge of the S10 family of trucks
Learn how to keep your S10 in top running condition
Let the S10 experts take care of your truck
This two page sheet ensures your S10 is of high quality
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Are you looking for easy bolt-on horsepower? These March pulleys will give your
truck an instant 12.5 extra horsepower!
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The March performance serpentine pulley systems increase rear-wheel horsepower by reducing
the accessory drag created by your alternator, power steering pump, A/C, etc. These pulleys
are designed to provide superb
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performance while maintaining the proper operation of your engine's accessories. These precision CNC
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machined 2 piece kits are made from high carbon billet steel and coated
with iron phosphate and a high gloss black Powdercoat. The Aluminum kits are CNC machined
from 6061-T6 billet for extra strength and wear and are finished with either clear or candy powdercoat.
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Performance Series - Provides an extra 12.5 hp at the rear wheels!
Perfect for normal everyday street driving.
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Power & Amp Series - Provides an extra 11 hp at the rear wheels!
Perfect for vehicles that require high amperage or for towing and heavy stop and go driving.
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G.M. Trucks with External Alternator Fan
1988-1997 4.3L, 305, 350
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PERFORMANCE SERIES
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4300 2 Piece Steel Set (1988-1994)
Gloss Black Powdercoat
Set Includes:
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4301
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6-Rib Crank Pulley
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120
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6-Rib Alternator Pulley
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4310 3 Piece Aluminum Set (1988-1995)
Clear or Candy Powdercoat
Set Includes:
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4311
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6-Rib Crank Pulley
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4312
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Non-Ribbed Water Pump Pulley
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208
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6-Rib Alternator Pulley with Cover
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Economy Steel Billet with High Gloss Powdercoat 12.5hp
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(right) March Undersized
Crank Pulley compared to
(left) stock pulley
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POWER & AMP SERIES
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4455 2 Piece Steel Set (1988-1997)
Gloss Black Powdercoat
Set Includes:
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4301
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6-Rib Crank Pulley
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110
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6-Rib Alternator Pulley
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4465 3 Piece Aluminum Set (1988-1995)
Clear or Candy Powdercoat
Set Includes:
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4311
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6-Rib Crank Pulley
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4312
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Non-Ribbed Water Pump Pulley
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112
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6-Rib Alternator Pulley with Cover
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4450 3 Piece Aluminum Set (1996-1997)
Clear or Candy Powdercoat
Set Includes:
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4311
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6-Rib Crank Pulley
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4314
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Non-Ribbed Water Pump Pulley
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112
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6-Rib Alternator Pulley with Cover
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