COMP Cams Uncategorized 5319 COMP Cams Peg Style Head Holders are a great low-cost way to suspend your cylinder heads above your work bench when performing port and polish work. The tapered pins slide into the cylinder head bolt holes so you can hold the head right-side up or upside down. Head Holders, Peg Style COMP Cams Peg Style Head Holders COMP Cams Head HOldsers Peg Style