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AFR 265cc Oval Port Magnum BBC Cylinder Heads 3610-1

Airflow Research (AFR) 3610-1 - AFR 265cc Oval Port Magnum BBC Cylinder Heads

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Cylinder Heads, Oval Port Magnum, Aluminum, Assembled, 112cc Combustion Chamber, 265cc Intake, Chevy, Pair

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Manufacturer's Part Number: 3610-1
Part Type: Cylinder Heads
Summit Racing Part Number: AFR-3610-1

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 112
CNC-Machined Combustion Chamber: Yes
Intake Runner Volume (cc): 265cc
Exhaust Runner Volume (cc): 115cc
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Shape: Oval
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Raised
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.190 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.880 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.650 in.
Outside Diameter of Outer Spring (in): 1.550 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16-20 in.
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: 24/4
Exhaust Valve Angle: 15/4
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 5-angle
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold as a pair.
Notes: CNC bowl blend, intake and exhaust ports are not fully CNC ported.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These AFR 265cc Oval Port Magnum BBC cylinder heads are ideal for use on smaller cubic inch engines, providing tons of bottom-end torque, tremendous throttle response, and great all-around power. They feature a 3/4 in. thick deck, reinforced rocker stud bosses, and thick, rugged castings.

Additional features include:

* 2.190 in. intake and 1.880 in. exhaust, one-piece stainless steel valves
* Bronze valve guides
* Viton® valve seals
* 1.550 in. double valve springs
* 10 degree valve spring retainers and locks
* 7/16 in. rocker arm studs
* 3/8 in. guideplates
* 0.375 in. raised exhaust ports


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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