OER Parts offers a wide selection of Starter Parts and Hardware for your 1991 GMC Syclone. OER Parts offers 1991 GMC Syclone Starter Motor Brace, 1991 GMC Syclone Starter Mounting Bolts, 1991 GMC Syclone Starter Motor Heat Shield, 1991 GMC Syclone Starter Solenoid, 1991 GMC Syclone Starter Rebuild Kit, 1991 GMC Syclone Starter Shim Set, 1991 GMC Syclone Starter Heat Shield Set, and 1991 GMC Syclone Floor Mounted Starter Switch.