RK Sport Crank Pulley - Belt - Performance Forum

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RK Sport Crank Pulley - Belt
Thursday, October 14, 2010 1:28 PM
Before I install my RK sport pulley, I want to make sure the belt I got with it is the right size...
Can someone verify what size the belt should be?
03 eco n/a no a/c

Thanks!!!



Buddy Club Ecotec Cavalier
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Re: RK Sport Crank Pulley - Belt
Monday, October 18, 2010 7:43 AM
Stock setup with A/C is a 385K5. 38.5'' belt, 5 ribs wide. Kind of difficult to find sometimes, so I use a 385K4, Same thing only 1 less rib wide, Alot easier to find and most of the time its cheaper.




Currently #4 in Ecotec Forced Induction horsepower ratings. 505.8 WHP 414WTQ!!!
Currently 3rd quickest Ecotec on the .org - 10.949 @ 131.50 MPH!!!

Re: RK Sport Crank Pulley - Belt
Monday, October 18, 2010 8:24 AM
Roofy wrote:Stock setup with A/C is a 385K5. 38.5'' belt, 5 ribs wide. Kind of difficult to find sometimes, so I use a 385K4, Same thing only 1 less rib wide, Alot easier to find and most of the time its cheaper.


And without the ac?



Buddy Club Ecotec Cavalier
* More to come *
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