These brackets are designed for 1987 and later cast iron heads including the popular VORTEC heads. VORTEC heads use 5/16" intake bolts that point straight down.
Sits 1 in higher than 131R for tall valve covers. Will celar valve covers up to 4 in tall. Will not work with factory power steering pump bracket (Use part number 402L).
This product can expose you to chemicals, which are known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
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