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Pro Underdrive Kit 7" 20R/22R/RE/RET Use With Alternator
Pro Underdrive Kit 7" 20R/22R/RE/RET Use With Alternator


 
Racer Net: $196.95

Part Number: 1016124


Crankshaft Pulley:
  

Qty:
Features
 
Features
Pro Underdrive Kit 7" 20R/22R/RE/RET For Use With Alternator

High RPM race engines often overdrive the water pump making the engine's cooling system inefficient. These Crankshaft Power Pulleys reduce water pump and alternator RPM providing better cooling and less power loss. The light weight of these billet aluminum pulleys will also reduce the rotational drag on your engine.

Another added benefit is the built in degree wheel on the front of the pulley that will allow you dial in your top dead center point much more accurately.

The Underdrive Kit for race applications includes a 7" billet water pump pulley, 4" crank underdrive pulley (your choice of single, dual, or triple, depending on your needs, see below), adjustable timing tag, front balancer bolt and belt.
Each 4" diameter Crankshaft Power Pulley is made from 6061 T-6 aluminum and is then hard anodized for extra wear resistance.

There are three pulleys to choose from.
YOU MUST CHOOSE ONE TOP RIGHT OF THE SCREEN.

(This will default to the triple groove. If you need to exchange YOU will be responsible for all shipping charges.)

Single groove would be a race application only running a alternator. With no power steering or other belt driven accessory.

Double groove would be used with alternator and A/C or custom belt accessory and no power steering.

Triple groove pulley would be used for running alternator A/C and power steering.

The stock belt line up is inner belt is water pump and alternator middle pulley is A/C and outer most pulley is power steering.


Application Notes:
-The 7" kits will not work with the stock power steering pump.
-This kit is designed for high RPM applications only.
-This kit is designed to be used with an alternator.
-For high RPM race applications with out alternator see part #1016123.
-For street applications see part #1016120.

FOR HIGH RPM APPLICATIONS ONLY

Contact our Tech Support Line for further information at 928-855-6341.

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Note: Images are for illustration purposes only. Images MAY NOT represent the product listed. Please contact Customer Service with any questions or concerns: 928-505-2501.

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