| Bolt set for LOW style aluminum HeadAdditional Information Bolt and washer set:. For installation of any of the ALUMINUM HIGH COMPRESSION, 6 to 1 compression ratio LOW style aluminum head. These are the after market heads that are used primarily in speedsters. THESE BOLTS ARE NOT FOR USE WITH THE ORIGINAL STYLE MODEL T HEADS. Questions and Answers To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |