Camquest shows the 268AH-10 to give me the best results but that's just on the engine and not the rest of the drivetrain.

Here are the specs:

Advertised Duration 268 int./276 exh.
Advertised Exhaust Duration 276
Advertised Intake Duration 268
Basic Operating RPM Range 1,600-5,600
Cam Style Hydraulic flat tappet
Camshaft Gear Attachment 1-bolt
Computer-Controlled Compatible No
Duration at 050 inch Lift 222 int./226 exh.
Exhaust Duration at 050 inch Lift 226
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.464 in.
Grind Number 268AH-10
Intake Duration at 050 inch Lift 222
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.464 in.
Lobe Separation (degrees) 110
Notes Single-bolt camshaft, fits factory ID 2899206.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.464 int./0.464 exh.