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March Chevrolet Serpentine Pulley Sets BBC LWP


Chevy Big Block Serpentine Pulleys

CHEVY BIG BLOCK SERPENTINE
CONVERSION PULLEY SETS
Standard Rotation Long 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. 12-15h.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 powder coat.

Mid Performance Ratios
Uses performance crank pulley and high water flow water pump pulley.

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 powder coat.


shown with optional alt fan

Performance Ratios

Set #

Crank Pulley

Water Pump Pulley

Alternator Pulley With Nose Cover

Power Steering Pulley Keyway

Power Steering Pulley Press Fit

Alternator Belt Size with March Brackets

Power Steering Belt Size with March Brackets

7210

yes

yes

yes

-

-

42.5"

-

7630

yes

yes

yes

Order #616

Order #617

42.5"

38"

Mid Performance Ratios

Set #

Crank Pulley

Water Pump Pulley

Alternator Pulley With Nose Cover

Power Steering Pulley Keyway

Power Steering Pulley Press Fit

Alternator Belt Size with March Brackets

Power Steering Belt Size with March Brackets

7635

yes

yes

yes

-

-

42.5"

-

7640

yes

yes

yes

Order #616

Order #617

42.5"

38"

High Water Flow Ratios

Set #

Crank Pulley

Water Pump Pulley

Alternator Pulley With Nose Cover

Power Steering Pulley Keyway

Power Steering Pulley Press Fit

Alternator Belt Size with March Brackets

Power Steering Belt Size with March Brackets

7310

yes

yes

yes

-

-

44.5"

-

7330

yes

yes

yes

Order #623

Order #624

44.5"

39"

 

Optional: Water pump nose cover #314. Power steering pulley dimension on page 50.

 Detailed Information of Set Components and Size

7210 Set Drives: Water Pump, Alternator

Set Includes:

Part#

 

 

7211

6-Rib Crank Pulley 5 3/4" dia.

 

6212

6-Rib Water Pump Pulley 6 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 3 3/4" dia.

7630 Set Drives: Water Pump, Alternator and P.S.

 

7231

6 & 5-Rib Crank Pulley 5 3/4" dia.

 

6312

6-Rib Water Pump Pulley 6 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 2 3/4" dia.

7630 Set Requires: 616 or 617 matching Power Steering Pulley 

 

616

5-Rib Power Steering Pulley w/Keyway

 

617

5-Rib Power Steering Pulley w/Press Fit

7635 Set Drives: Water Pump, Alternator

 

7211

6-Rib Crank Pulley 5 3/4" dia.

 

6322

6-Rib Water Pump Pulley 5 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 2 3/4" dia.

7640 Set Drives: Water Pump, Alternator and P.S.

 

7231

6 & 5-Rib Crank Pulley 5 3/4" dia.

 

6322

6-Rib Water Pump Pulley 6 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 2 3/4" dia.

7640 Set Requires: 616 or 617 matching Power Steering Pulley 

 

616

5-Rib Power Steering Pulley w/Keyway

 

617

5-Rib Power Steering Pulley w/Press Fit

7310 Set Drives: Water Pump, Alternator

 

7311

6-Rib Crank Pulley 7" dia.

 

6322

6-Rib Water Pump Pulley 5 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 2 3/4" dia.

7330 Set Drives: Water Pump, Alternator and P.S.

 

7331

6-Rib Crank Pulley 7" dia.

 

6312

6-Rib Water Pump Pulley 5 1/4" dia.

 

208

6-Rib Alternator Pulley w/Cover 2 3/4" dia.

7330 Set Requires: 616 or 617 matching Power Steering Pulley

 

623

6-Rib Power Steering Pulley w/Keyway

 

624

6-Rib Power Steering Pulley w/Press Fit

Note: If you do not have a power steering pump we recommend ordering #616 or #623 and a 1971-1974 Chevy Impala V8 keyed power steering pump #P300. See Page 52.

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

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