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Brodix Cylinder Heads BB-2 Cylinder Heads for Big Block Chevy 2021008
Part Number: BRO-2021008
Brodix Cylinder Heads BB-2 Cylinder Heads for Big Block Chevy
Cylinder Head, BB-2, Aluminum, Assembled, 110cc Chamber, 305cc Intake Runner, Chevy, Big Block, Each
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Estimated Ship Date: Dec 15, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
2021008
Part Type:
Product Line:
Summit Racing Part Number:
BRO-2021008
Item Number:
2854590
Combustion Chamber Volume (cc):
110
Intake Runner Volume (cc):
305cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Camshaft Style:
Solid roller
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
2.250 in.
CNC-Machined Combustion Chamber:
No
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Combustion Chamber Style:
Kidney
Intake Port Location:
Standard
Exhaust Port Shape:
Round
Exhaust Port Location:
Raised
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.):
0.700 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 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:
26/4
Exhaust Valve Angle:
17/4
Valve Guides Included:
Yes
Valve Guide Material:
Phosphorous bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
5-angle
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
The exhaust ports are raised .600 higher than stock. Valve cover rails are raised for better sealing.
Brodix Cylinder Heads BB-2 Cylinder Heads for Big Block Chevy
Brodix BB-2 cylinder heads for big block Chevy applications work well with heavy cars and small engines. The intake ports flow over 340 cfm with only the bowls blended and the intake ports matched to the gaskets. Their 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. Order the model designed for your vehicle.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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