Die Cast Valve Covers with Chevrolet Logo (Centre Hold-Down) Black Crinkle FinisDie Cast Valve Covers with Chevrolet Logo (Centre Hold Down) Black Crinkle FinishSmall Block Chev 1987 Later PR141 131 141 131 New Larger Emblem. Late Model Die Cast aluminium Valve Covers, 1987 current. Center hold down, tall. Supplied with mounting bolts, steel and rubber washers (also available separately as 141 133). All valve covers sold in pairs. Center Bolt Style Black Crinkle Finish with Red Chevy and Bowtie Logos Baffled Made from Quality Die