Flywheel cover GM Universal T350/400/700/4L6/8Universal Aftermarket cheap solid Plastic Flywheel cover for LH or RH side mounted Starter motors. GM Universal T350 T400 T700R 4L6 4L8 OLDS 403 USE THIS. cut out the hole.. not rocket science.. not exactly per factory but close enough, cheap enough.. and does the job it meant to Fits 90% of GM Auto Transmissions as shown. If you don't have an old one as a guide.. cut out holes for LH or RH Starter motors from the guidelines.