OK, time to do your homework! Given values: 02 GT. D1SC. Stock crank pulley. 6-rib. Question: WHAT COMBO WILL MAKE THE MAXIMUM AMOUNT OF BOOST? **No 8-rib conversions** Pick 1 from both group A and group B to make your combo. Group A: -Pro Grip carbinite coated 3.00 pulley -Pro Grip 3.25 pulley -Pro Grip 3.5 pulley Group B: -IW 15% 8-rib OD crank pulley (+5-6psi) -Thump Racing tensioner GO!