AFR Cylinder Head Bullitt Aluminum 280cc Intake 75cc Chambers With Solid Roller Springs Stud Mount Pair 429/460
Pair of Air Flow Research Stud Mount 280cc Aluminum Bullitt Cylinder Heads with 75cc Combustion Chambers and Solid Roller Springs for 429 and 460 Engines.
Before you start working on your 429 or 460 stout Big Block Ford Engine Build ensure you’ll have optimal performance by adding this Pair of Air Flow Research 3803 Stud Mount 280cc Aluminum Bullitt Cylinder Heads with 75cc Combustion Chambers and Solid Roller Springs into the mix! Assembled using high-quality components, these cylinder heads are manufactured from A356 Aluminum. Partially CNC ported intake ports, exhaust ports and combustion chambers are utilized in these cylinder heads that are recommended for use in street and street/strip engines.
Cylinder Head Components:
- 50% CNC Ported Combustion Chambers
- 80% CNC Bowl Blend Intake and Exhaust
- Competition 5-Angle Valve Job
- 11/32" Bead Lock Intake Valve (2.250" x 5.250" O.A.L)
- 11/32" Bead Lock Tulip Exhaust Valve (1.760" x 5.050" O.A.L)
- PAC Racing Springs 1.550" OD Solid Roller Dual Valve Drag Race Spring 220lbs on seat (.680" maximum lift Max RPM 7200-7400)
- 10 Degree Manley Steel Retainers (1.500" O.D x 1.120" I.D x .705" I.D)
- 10 Degree 11/32" Beadlock Valve Keepers with lash cap recess
- ARP Rocker Studs (7/16")
- Adjustable Guide Plates (3/8")
- Viton Valve Seals (11/32")
- Hardened Valve Spring I.D Locator (1.550" O.D x .780" I.D)
- Intake Valve Seats (2.450" O.D x 1.950" I.D x .375" Deep)
- Exhaust Valve Seat (1.900" O.D. x 1.400" I.D. x .375" Deep)
- 11/32" Exhaust Bronze Valve Guides (.502" O.D x 2.25" O.A.L)
Cylinder Head Specifications:
- Material: A356 Aluminum
- Intake Port Volume: 280cc
- Intake Port Dimension: 2.230"H x 1.815"W x .525 Radius
- Intake Port Location: Stock
- Exhaust Port Volume: 132cc
- Exhaust Port Dimension: 1.830"H x 1.600"W
- Exhaust Port Location: Stock
- Combustion Chamber Size: 75cc
- Valve Cover Bolt Pattern: Perimeter Bolt
- Valve Angle: 14 Degree Intake/8 Degree Exhaust
- Valve Cant: 4.04 Degree Intake/4.12 Degree Exhaust
- Valve Spring Pocket Diameter: 1.750" O.D
- Max Valve Spring Pocket Machining: 1.750" O.D
- Deck Thickness: .750"
- Minimum Bore Diameter: 4.360"
- Minimum Cross Sectional Area: 3.225 square inch
- Spark Plug Dimensions: 14mm x .750" with Gasket Seat
Please Note: Due to the valve angle location, notching existing pistons will be required.
Air Flow Research (AFR) has more than 30 years of cylinder head development experience and is going to have the perfect cylinder heads for your performance Mustang. Check out their products that are available from CJ Pony Parts and give your pony a huge performance upgrade with help from AFR!
Order this Pair of Air Flow Research 3803 Stud Mount 280cc Aluminum Bullitt Cylinder Heads with 75cc Combustion Chambers and Solid Roller Springs for your 429 or 460 Engine today from CJ Pony Parts.
Intermediate skill is required for this installation.