AFR Cylinder Head Bullitt Aluminum 295cc Intake 75cc Chambers With Solid Roller Springs Stud Mount Pair 429/460

Air Flow Research:
MSRP $2,760.00
You save $82.80

Pair of Air Flow Research Stud Mount 295cc Aluminum Bullitt Cylinder Heads with 75cc Combustion Chambers and Solid Roller Springs for 429 and 460 Engines.

Make sure your vehicle's 429 or 460 engine reaches it's true performance potential by swapping out those lame stock cylinder heads for this superior Pair of Air Flow Research Stud Mount 295cc Aluminum Bullitt Cylinder Heads (3817) instead! Be sure to purchase your new heads now from CJ Pony Parts!

AFR 295cc Cylinder Heads Include:
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported 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 1.625" OD Solid Roller Dual Valve Spring 275 lbs. on seat (.850" maximum lift, Max RPM 7400-7600)
- 10-degree Manley Steel Retainers (1.500" O.D x 1.120" I.D x .705" I.D)
- 10-degree Beadlock Valve Keepers with lashcap recess (11/32")
- 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)

You'll absolutely love the increased power and performance these premium-quality Bullitt Cylinder Heads provide your Big Block Ford engine! Each of the two (2) heads are manufactured from superior-quality CNC-machined aluminum and arrive with solid roller dual valve springs pre-installed, so they'll be ready to right out of the box. The intake ports, exhaust ports and combustion chambers are all CNC-ported for increased durability, so what are you waiting for? Snag your new heads and head bolts (sold separately) from CJ's now!

Bullitt Cylinder Head Specs:
Material: A356 Aluminum
Intake Port Volume: 295cc
Intake Port Dimensions: 2.275" H x 1.850" W x .575 Radius
Intake Port Location: Stock
Exhaust Port Volume: 142cc
Exhaust Port Dimensions: 1.850"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: 0.750"
Minimum Bore Diameter: 4.360"
Minimum Cross Sectional Area: 3.275 sq. in
Spark Plug Dimensions: 14mm x .750" w/Gasket Seat

Please Note: Due to the valve angle and location, custom pistons or notching your existing pistons will be required.

Tech Tip: AFR Recommends the use of .120” thick-wall pushrods.

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!

Don't wait and order this brand-new Pair of Air Flow Research 3817 Stud Mount 295cc Aluminum Bullitt Cylinder Heads with 75cc Combustion Chambers and Solid Roller Springs for your 429 or 460 Engine from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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