ERIC_EROC

i want to know what is the best underdrive pulley for my 04 a4 gto, yes im putting on headers and doing a cam job. asp or the slp pulley.
i bought the asp pulley with the alternator pulley and new belts.
but i see most people got there gto has the slp pulley, everones 2 cents please. thanks

993rs

iTrader: (2)

I have an ATI.

GTO_Scott

iTrader: (3)

A lot of LS1s have the ASP pulley, just put one on my car last weekend. No complaints except I didn't have a longer bolt to remove the factory pulley.

xp3nd4bl3

ASP is lighter, SFI approved, and much cheaper.

dan_e

iTrader: (1)

Have an MTI pulley, so far, so good.

Solobarictahoe

i just got the slp pulley waiting to put it on. it looks nice anyway