Overview Reviews Product Description Distributor Housing Shim - 0.500 in ID - 1.000 in OD - Brass - MSD Distributor - Each Product Videos Product Reviews Write a Review Write a Review × MSD IGNITION Replacement Shim Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *