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March Performance 6380 High Flow Serpentine Pulley Conversion Kit Small Block Chevy Long Water Pump

(Chevrolet Suburban 1500 1995-99, Camaro 1967-97, Corvette 1957-82, 1984-96, Tahoe 1995-99, Impala 1958-85, 1994-96, Malibu 1975, 1978-83 + 99 more models)

Manufacturer

Part Number

6380
Sale Price

$273.20

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The March Performance 6380 is a high water flow serpentine pulley conversion kit designed for small block Chevy engines with 7-inch standard rotation long water pumps. This precision-engineered kit provides a complete solution for converting to a modern 6-rib serpentine belt system while maintaining optimal water pump flow rates.

Kit Includes:

  • Double groove 6-rib and 6-rib crankshaft pulley (7-inch diameter)
  • Single 6-rib water pump pulley (5-1/4 inch diameter)
  • Single 6-rib alternator pulley (2-3/4 inch diameter)
  • All necessary mounting hardware

Construction and Features:

  • Precision CNC machined from 6061-T6 aircraft-grade billet aluminum
  • Clear powder coat finish eliminates the need for polishing
  • High water flow ratio design maintains optimal cooling performance
  • Compatible with alternator belt size 42.5 inches (Gates #K060420)
  • Compatible with power steering belt size 35 inches (Gates #K060345)

Optional accessories available separately include keyway power steering pulley (P/N 623), press fit power steering pulley (P/N 624), alternator fan (P/N 221), and water pump pulley cover (P/N 314). This kit is engineered to handle high torque and vibration while providing show-quality appearance in your engine bay.

Products specifications

Fits

Chevrolet Suburban 1500 1995-99, Camaro 1967-97, Corvette 1957-82, 1984-96, Tahoe 1995-99, Impala 1958-85, 1994-96, Malibu 1975, 1978-83, C1500 1988-99, Chevelle 1964-73, Blazer 1969-74, 1987-94, K1500 1988-99, C10 Pickup 1960-74 + 94 more models

Air Conditioning Bracket Included

No

Air Conditioning Brackets Included

No

Air Conditioning Cover Included

No

Air Conditioning Pulley Included

No

Alternator Brackets Included

No

Alternator Fan Included

No

Alternator Nose Cover Included

Yes

Alternator Pulley Grooves

6-groove, serpentine

Alternator Pulley Included

Yes

Crankshaft Nose Cover Included

No

Crankshaft Pulley Grooves

6-groove, serpentine

Crankshaft Pulley Included

Yes

Idler Brackets Included

No

Idler Cover Included

No

Idler/Tensioner Included

No

Notes

Fits standard rotation long water pumps only. This set will not work on applications with air condit

Power Steering Brackets Included

No

Power Steering Pulley Included

No

Pulley Finish

Clear powdercoated

Pulley Material

Aluminum

Pulley Set Style

High water flow ratio

Pulley Style

Serpentine

Quantity

Sold as a set of 3.

Water Pump Nose Cone Included

No

Water Pump Pulley Grooves

6-groove, serpentine

Water Pump Pulley Included

Yes

Hardware Included

No

Belt Included

No

Notes

Fits standard rotation long water pumps only. This set will not work on applications with air conditioning.

Good

Good fast shipping. Easy ordering.

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