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AFR 385cc Magnum BBC Competition Racing Heads 2020-TI

Cylinder Heads, Magnum Competition, Aluminum, Assembled, 121cc Chamber, 385cc Intake, Chevy, Pair

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  • Order this item and get free shipping and handling! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States. Applicable shipping fees will be charged, if required, on additional items added to the order.

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Brand: Airflow Research (AFR)

Manufacturer's Part Number: 2020-TI

Part Type: Cylinder Heads

Product Line: AFR 385cc Magnum BBC Competition Racing Heads

Summit Racing Part Number: AFR-2020-TI

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Intake Port Shape: Rectangular

Intake Valve Diameter (in): 2.350 in.

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 121

CNC-Machined Combustion Chamber: Yes

Intake Runner Volume (cc): 385cc

Exhaust Runner Volume (cc): 135cc

CNC-Machined Intake Runner: Yes

CNC-Machined Exhaust Runner: Yes

Combustion Chamber Style: Heart

Intake Port Location: Standard

Exhaust Port Shape: Square

Exhaust Port Location: Standard

Spark Plug Style: Angle

Intake Valves Included: Yes

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.880 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: Dual

Retainers Included: Yes

Retainer Material: Titanium

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: Yes

Quantity: Sold as a pair.

Notes: Best suited for large displacement high rpm engine applications.

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

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AFR 385cc Magnum BBC competition racing heads will feed your large displacement, high-rpm race engine the air it needs for monster performance. Making these AFR's biggest and best heads are features like A356 aluminum castings and Titanium retainers, as well as, 100 percent CNC-ported intakes, exhausts, and combustion chambers that deliver the big flow characteristics and power you need to win! They also feature their trademark .750 in. thick head deck and high-quality components for maximum power and reliability. Keep your monster engine strong and powerful; allow it to feast on the plentiful airflow of AFR 385cc Magnum BBC competition racing heads.


Questions & Answers Ask a Product Question

Are the valve springs for a hydraulic roller or a solid roller cam? Thanks in advance.

Asked by BRIAN on July 03, 2017


- These are about 250 # on the seat .Solid roller only .....

ALAN from MN answered on July 10, 2017

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Some parts are not legal for use in California or other states with similar laws / regulations

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