LP High Compression Cylinder Head

Specifications: Final Application: Fits: M, Supers, MTA, I, O, T, W6 series, 400, 450 (All w/ LP cylinder head) Replacement Number: 364589R1, 364590R1, 356951R1, 41339D, 41349D, 47277D, 61479HA Notes: Includes intake & exhaust valves, springs, retainers, valve locks, stem retainer clips. Does not include roto caps or guides. This kit is needed when switching from a gas cylinder head. Customer must grind valves to match seats & size the guides to the valves.