P.A.S.S Racing Product Line

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FAQ: for race under drive pulley (non ac and power steering)

Why no under drive water pump pulley?

Under drive CRANK pulley will Under drive your stock Alternator & Water pump pulley. in Ronny's half street and half Race AE86, after he installed our pulleys he had 30 Degree lower on WATER TEMPATURE than usual. but he also installed our C/F Radiator Panel at the same time.

Why Under drive Alternator pulley?

because the diameter of our stock GTS alternator is really small, using under drive alternator pulley will help reduce stress and increase the life span on your alternator.

Will the Pass under pulleys cause vibration?

No, all 10 pulleys are well balanced in our japan machine shop, because we only made 10 set of pulleys, we had great quality control on all 10 set of the pulleys. to be continused tomorrow with pics.

Will it work with 20V 4AGE?

Yes, our pulleys will work with 20v silver or black top engine. if you are using the 16v alternator bracket, our pulleys will direct bolt on, if you are using the 20v bracket then you need to use a right size shim, make sure you mention before buying our kit, so we can provide the shim.

Is It Streetable with your Racing Pulleys?

yes, they're 100% streetable with out any side effects. we have been tested in my street only AE86 for a month. even with our under drive alternator pulleys, voltage is still within factory spec during idel and driving on the street.