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Brodix Cylinder Heads BB-2 Plus Cylinder Heads for Big Block Chevy 2021012

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Cylinder Head, BB-2 Plus, Aluminum, Assembled, 119cc Chamber, 312cc Intake Runner, Chevy, Big Block, Each

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Brand: Brodix Cylinder Heads

Manufacturer's Part Number: 2021012

Part Type: Cylinder Heads

Product Line: Brodix Cylinder Heads BB-2 Plus Cylinder Heads for Big Block Chevy

Summit Racing Part Number: BRO-2021012

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 119

CNC-Machined Combustion Chamber: No

Intake Runner Volume (cc): 312cc

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Intake Port Shape: Rectangular

Intake Port Location: Standard

Exhaust Port Shape: Round

Exhaust Port Location: Raised

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.250 in.

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.880 in.

Valve Springs Included: Yes

Maximum Valve Lift (in): 0.700 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: 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: 26

Exhaust Valve Angle: 26

Valve Guides Included: Yes

Valve Guide Material: Phosphorous 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 individually.

Notes: Valve cover rails are raised for better sealing.

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

Calculator Compression Calculator

These Brodix Cylinder Heads BB-2 Plus heads work well with a heavy car and a smaller engine. The intake ports flow over 340 cfm with only the bowls blended and the intake ports matched to the gaskets. The combustion chambers are properly shaped for use with either methanol or gasoline, preventing detonation. These cylinder heads accept all standard pistons, intake manifolds, and rocker arms, and the valve cover rails are now raised to prevent oil leakage.

Warranty

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

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