AFR Cylinder Head Bullitt Aluminum 280cc Intake 85cc Chambers With Solid Roller Springs Stud Mount Pair 429/460

If it's finally time for you to start upgrading the components in your Mustang's 429 or 460 engine, than swap out those stock cylinder heads for this brand-new Pair of Air Flow Research Stud Mount 280cc Aluminum Bullitt Cylinder Heads (3806)! Go ahead and place your order with CJ Pony Parts today!

AFR 280cc Cylinder Heads Includes:
- 50% CNC Ported Combustion Chambers
- 80% CNC Bowl Blend Intake & 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 220 lbs. 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)

Over the years, your vehicle's original cylinder heads can begin to lag, causing your Big Block Ford engine to drag. AFR designed this premium-quality pair of two (2) cylinder heads to be a direct-fit upgraded option for your 429 or 460 engine! Each head comes with solid roller springs already installed, and they feature superior CNC-machined components like the ported combustion chambers and bowl blend intake port. Don't forget to pick up new head bolts (which are sold separately) when you pick up your new cylinder heads now from CJ's!

Bullitt Cylinder Head Specs:
Material: A356 Aluminum
Intake Port Volume: 280cc
Intake Port Dimensions: 2.230" H x 1.815" W x .525 Radius
Intake Port Location: Stock
Exhaust Port Volume: 132cc
Exhaust Port Dimensions: 1.830"H x 1.600"W
Exhaust Port Location: Stock
Combustion Chamber Size: 85cc
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: 0.750"
Minimum Bore Diameter: 4.360"
Minimum Cross Sectional Area: 3.225 sq. in.
Spark Plug Dimensions: 14mm x .750" w/Gasket Seat

Please Note: Due to the valve angle location, notching your Mustang's existing pistons will be required.

Air Flow Research has more than 30 years of cylinder head development experience and is going to have the perfect cylinder heads for your classic car or truck's performance engine. CJ Pony Parts is proud to offer a growing selection from AFR, so give your project vehicle a huge performance upgrade with help from Air Flow Research and place your order with CJ's now!

Be sure to purchase this superior-quality Pair of Air Flow Research 3806 Stud Mount 280cc Aluminum Bullitt Cylinder Heads with 85cc Combustion Chambers and Solid Roller Springs for your 429 or 460 Engine now from CJ Pony Parts!