42-3637 - Lower Valve Spring Cup Set Parkerized

Include 4 piece set of lower covers with steel oil lines and nuts brazed in place and 4 piece cover set cups and caps features a parkerized finish. Complete set for four valves include four snap on tops and bottoms. Use the correct rocker box seal set for this year group. *NOTE: Shop tip use rocker arm set clearanced for the early cut set. *NOTE: Lines must be pre-formed with brake line bender. Alignment to rocker boxes must be established. Install cups to valve guide to hold in place. Lines are copper tubing some customes choose to change lines to steel tube. *NOTE: The steel oil lines are 3/16 inch (4.7mm) outer diameter which is the new 2018 production.