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AFR 315cc BBF Bullitt 14 Degree Cylinder Heads
Cylinder Heads, Bullitt 14 Degree, Aluminum, Assembled, 315cc Intake Runner, 85cc Chamber, Ford, Big Block, Pair
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Overview
Brand:
Manufacturer's Part Number:
3838
Part Type:
Product Line:
Summit Racing Part Number:
AFR-3838
Combustion Chamber Volume (cc):
85
Intake Runner Volume (cc):
315cc
Exhaust Runner Volume (cc):
142cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Camshaft Style:
Solid roller
Intake Port Shape:
Square
Intake Valve Diameter (in.):
2.300 in.
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Combustion Chamber Style:
Open chamber
Intake Port Location:
Standard
Exhaust Port Shape:
Round
Exhaust Port Location:
Raised
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.760 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.850 in.
Outside Diameter of Outer Spring (in.):
1.625 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Retainers Included:
Yes
Retainer Material:
Chromoly steel
Locks Included:
Yes
Lock Style:
10 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Rocker Arm Studs Included:
Yes
Rocker Arm Nut Thread Size:
7/16 in.-20
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
Yes
Guideplate Pushrod Size:
3/8 in.
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
14
Exhaust Valve Angle:
8
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
5-angle intake/3-angle exhaust
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through head
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold as a pair.
AFR 315cc BBF Bullitt 14 Degree Cylinder Heads
AFR 315cc BBF Bullitt 14 degree cylinder heads provide the ultimate shot to outgun the competition! They feature 100 percent CNC-ported intakes, exhausts, and chambers, A356 aluminum castings, and high-quality components throughout with .250 in. raised exhaust port locations. This clean-sheet redesign of their Bullitt cylinder heads delivers a decreased overall runner size, a more consistent cross-sectional area, carefully shaped combustion chambers, and repositioned valves to complement the intake and exhaust port design. Together they improve engine response, providing increases in horsepower and torque. The 315cc Bullitt heads are best suited for large displacement high-rpm big block Ford racing engines or radical "Pro-Street"-style builds. Load your engine for performance with AFR Bullitts!
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