CHEVY BIG BLOCK V-BELT PULLEY SETS

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CHEVY BIG BLOCK V-BELT PULLEY SETS
Long Water Pump

Performance Ratios Increases horsepower by reducing accessory drag. 12-15 h.p. at rear wheels typical. Eliminates belt throwing. Designed for daily street driving. Precision CNC machined to run perfectly true. 6061-T6 aluminum for extra strength and wear. Finished with a “No Polishing” clear powdercoat.

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 powdercoat.

Performance Ratios
Set #	Crank Pulley	Water Pump Pulley	Alternator Pulley With Nose Cover	Optional power Steering Pulley Keyway	Optional Power Steering Pulley Press Fit	Optional Alternator Fan
7005	1V	1V	1V	-	-	221
7015	2V	1V	1V	1V #513	1V #531	221
7020	2V	2V	1V	1V #513	1V #531	221
7040*	3V	2V	1V	2V #521	2V #520	221
7050*	3V	1V	1V	2V #521	2V #520	221
High Water Flow Ratios
7105	1V	1V	1V	-	-	221
7115	2V	1V	1V	1V #513	1V #531	221
7140*	3V	2V	1V	2V #521	2V #520	221
7150	3V	1V	1V	2V #521	2V #520	221

* Requires 1980’s style water pump for clearance or any aftermarket. Optional: Water pump nose cover #314. Power steering pulley dimension on page 50.

Detailed Information of Set Components and Size
7005 Set Drives: Water Pump, Alternator
Set Includes:	Part#
	7006	1-Groove Crank Pulley 5 1/2”
	6052	1-Groove Water Pump Pulley 6 1/4”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
7015 Set Drives: Water Pump, Alternator, P.S.
	7021	2-Groove Crank Pulley 5 1/2”
	6052	1-Groove Water Pump Pulley 6 1/4”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#513 Keyed ........#531 Press Fit
7020* Set Drives: Water Pump, Alternator, P.S. or A/C
	7021	2-Groove Crank Pulley 5 1/2”
	6092	2-Groove Water Pump Pulley 6 1/4 ”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#513 Keyed ........#531 Press Fit
7040* Set Drives: Water Pump, Alternator, P.S., A/C
	7041	3-Groove Crank Pulley 5 1/2”
	6092	2-Groove Water Pump Pulley 6 1/4 ”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#521 Keyed ........#520 Press Fit
7050 Set Drives: Water Pump, Alternator, P.S., A/C
	7041	3-Groove Crank Pulley 5 1/2”
	6052	1-Groove Water Pump Pulley 6 1/4 ”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#521 Keyed ........#520 Press Fit
7105 Set Drives: Water Pump, Alternator
	7106	1-Groove Crank Pulley 7”
	6152	1-Groove Water Pump Pulley 5 1/2”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
7115 Set Drives: Water Pump, Alternator, P.S.
	7121	2-Groove Crank Pulley 7”
	6152	1-Groove Water Pump Pulley 5 1/2”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#513 Keyed ........#531 Press Fit
7140* Set Drives: Water Pump, Alternator, P.S., A/C
	7141	3-Groove Crank Pulley 7”
	6092	2-Groove Water Pump Pulley 6 1/4 ”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#521 Keyed ........#520 Press Fit
7150 Set Drives: Water Pump, Alternator, P.S., A/C
	7141	3-Groove Crank Pulley 7”
	6152	1-Groove Water Pump Pulley 5 1/2”
	137	1-Groove Alternator Pulley w/Cover 2 11/16”
Optional P.S. Pulley ........#521 Keyed ........#520 Press Fit
* Must use early 80’s or aftermarket water pump

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