SFI Fluid Dampener Performance Pulley

• one piece design
• does not require old danpener
• Dyno tested at 12H.P. gain

New one piece design, does not require old danpener, Dyno tested at 12H.P. gain. Available as S.F.I. Approved or non-S.F.I. Approved.

Part #1158 96-2004 4.6 Mustang GT & 96-01 Cobra. S.F.I. Approved.

Note: Will not work on Mach 1.