Overview Reviews Product Description Cylinder Head Dowels - Split - Steel - Natural - GM LS-Series - Set of 100 Product Videos Product Reviews Write a Review Write a Review × Pioneer Pioneer Dowel Pin - Split Type GM LS Block to Cyl. Head - PIOPG-525-100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *