3.8 on the front is the biggest one they make, if I'm not mistaken. There may be a 4.0.
If not, you will need to get rid of the OD pulley on the rear and put a 3.6 on the front for around 8lbs boost.
12.618 @ 110.75 Bone Stock 1/4 mile
8.165 @ 86.52 Bone Stock 1/8 mile
11.189 @ 124.44 on a 1.73 60' TVS2300 3.4 pulley, JRE tuned, Kooks LT headers and HF cats, MBRP catback exhaust, CAI intake, ADM scoop. Stock wheels/tires.