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AFR 357cc Magnum BBC Cylinder Heads 2010

Airflow Research (AFR) 2010 - AFR 357cc Magnum BBC Cylinder Heads

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$3,278.60

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Cylinder Heads, Competition Porting, Aluminum, Assembled, 121cc Chamber, 357cc Intake, Chevy, Big Block, Pair

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AFR 357cc Magnum BBC Cylinder Heads

Part Type: Cylinder Heads

Application: Find out if this fits your application

Instructions

Brand: Airflow Research (AFR)

Manufacturer's Part Number: 2010

Part Type: Cylinder Heads

Product Line: AFR 357cc Magnum BBC Cylinder Heads

Summit Racing Part Number: AFR-2010

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 121

CNC-Machined Combustion Chamber: Yes

Intake Runner Volume (cc): 357cc

Exhaust Runner Volume (cc): 124cc

CNC-Machined Intake Runner: Yes

CNC-Machined Exhaust Runner: Yes

Combustion Chamber Style: Heart

Intake Port Shape: Rectangular

Intake Port Location: Standard

Exhaust Port Shape: Round

Exhaust Port Location: Standard

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.300 in.

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.880 in.

Valve Springs Included: Yes

Maximum Valve Lift (in): 0.750 in.

Outside Diameter of Outer Spring (in): 1.625 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

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: 1 in. longer head bolts required on the four bottom exhaust bolt holes. These cylinder heads are competition ported.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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If "Dirty Harry" drove a race car, then it would certainly be fitted with a pair of AFR 357 Magnum aluminum cylinder heads. If huge horsepower is what you are searching for, these castings will certainly deliver. With AFR's fully CNC-ported 357cc heads flowing 425 cfm, they represent the ultimate in airflow for your big block Chevrolet. These cylinder heads were targeted at larger cubic inch engines (509-632 c.i.d.) looking for maximum horsepower and rpm capabilities with a primary operating range of 3,500-8,000 rpm (this range is an average and will vary with engine displacement and component selection). These aluminum heads also provide impressive torque figures at higher rpm levels. Blown, turbo, and nitrous engines will especially like the larger, higher flowing intake ports. AFR 357cc Magnum BBC cylinder heads will work best with camshafts exceeding 0.750 in. gross valve lift to make better use of the substantial airflow found in the higher lift range. These 357cc heads come standard with AFR's trademark 3/4 in. thick cylinder head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2.300 in. intake and 1.880 in. exhaust valves. The AFR's fully CNC-ported 357 heads come with a 121cc chamber and are available with an optional 114cc combustion chamber as well.

Warranty

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

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AFR 357cc Magnum BBC Cylinder Heads 2010

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