Ford Performance M-6049-SCJB Super Cobra Jet Cylinder Head Assembled with Dual Springs with Damper for 1964-1973 Ford Mustang
Fits Vehicle:Â
1964-1973 Ford Mustang
SKU: 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-C460Â Ford Performance 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
- 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 Performance 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










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