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 which 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. *NOTE: The steel oil lines are 3/16 (4.7mm) outer diameter which is the new 2018 production.

Fits:
EL 1936-1937

UOM: SET
Country Of Origin: TAIWAN
OEM Cross Reference: 173-36A,174-36A

Accessory Items:
11-1143 - 1936 Knucklehead Rocker End/Shaft Cap Kit
49-1319 - Knucklehead Rocker Line Set
11-1174 - 1936 Rocker Arm Cork Set
3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return Oil

Tech Notes: Suggested to use with #11-1209 Nickel Plated Knucklehead Rocker Arm Set.