sr20det light weight pulleys

[240canni]

has any one used theas ones i know isis and megan and greddy make them but i havent seen the crank pully before,it seems that they really cant break?,... and was wondering if any one has tried theas out thanks....heres the link

SR20DET LIGHT WEIGHT ALUMINUM PULLEY KIT S13 S14 240SX | eBay (http://www.ebay.com/itm/SR20DET-LIGHT-WEIGHT-ALUMINUM-PULLEY-KIT-S13-S14-240SX-/180553253335?pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr&hash=item2a09d001d7)

[lucas240sx]

i would imagine that crank pulley would need to be checked to see if its balanced(very important)
i was thinking bout buying those....but to me its not worht trying as i dont know anything about them....so i juist bought the other 3 pulleys

im interested to know bout this crank pulley as well
hope someone can chime in

[jr_ss]

Do not use anything other than the factory pulley or an ATI/ROSS pulley. The factory crank pulleys are dampened to absorb harmonic vibrations caused by the crank/rods/rotational forces. No dampening, means all that gets transferred to your bearings...

[240canni]

yea some one let me know about the crank pulley cuzz it looks so nice that its very tempting to buy for the price but if its going to cause more problems than positives than im not intrested,..so yea any one else out there used the crank pulley and has some feed back ?