SUPER COBRA JET CYLINDER HEAD ASSEMBLED WITH DUAL SPRINGS W/DAMPER M-6049-SCJB

Fits 429 and 460 ci engines (except BOSS 429)

Valve angles and locations designed to reduce cylinder wall shrouding and improve flow

Combustion chambers designed to accommodate centrally located valves

Production 429 Cobra Jet intake and exhaust manifolds bolt on

Production Ford 429/460 valve cover bolt pattern

M-6582-C460 Ford Racing Valve Covers recommended

2.200" intake valve, 1.76" exhaust valve

Flows approximately 330 CFM intake and 225 CFM exhaust

72cc combustion chambers

290cc intake runner, 148cc exhaust runner

Uses rocker arm part numbers M-6564-A460

Assembled with solid roller springs: Closed seat pressure 240# @ 1.900"; Open seat pressure 625# @ 1.200"; Max lift .650"

Machined 10-degree locks and steel valve spring retainers, premium valve seals

Uses Motorcraft AGSP series spark plugs

NOTE: If replacing Ford Racing or production 429 Cobra Jet heads, new intake valve notches are required

NOTE: Uses Felpro exhaust gasket part number 1420, Uses Felpro® intake gasket part number 1231