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Brodix Cylinder Heads IK 180 Cylinder Heads for Small Block Chevy 1021003
Part Number: BRO-1021003
Brodix Cylinder Heads IK 180 Cylinder Heads for Small Block Chevy
Cylinder Heads, IK 180, Aluminum, Assembled, 70cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair
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Estimated Ship Date: Oct 22, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
1021003
Part Type:
Product Line:
Summit Racing Part Number:
BRO-1021003
Combustion Chamber Volume (cc):
70
Intake Runner Volume (cc):
180cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Camshaft Style:
Hydraulic roller
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
2.020 in.
CNC-Machined Combustion Chamber:
No
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Intake Port Location:
Standard
Exhaust Port Shape:
D-port
Exhaust Port Location:
Standard
Spark Plug Style:
Straight
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.575 in.
Outside Diameter of Outer Spring (in.):
1.430 in.
Damper Spring Included:
No
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Chromoly steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Rocker Arm Studs Included:
Yes
Rocker Arm Nut Thread Size:
3/8 in.-24
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
Yes
Guideplate Pushrod Size:
5/16 in.
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
23
Exhaust Valve Angle:
23
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-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 as a pair.
Brodix Cylinder Heads IK 180 Cylinder Heads for Small Block Chevy
Brodix IK 180 cylinder heads for small block Chevys will give you big-time performance. Made from revolutionary lightweight castings, these virgin aluminum, fully assembled cylinder heads offer the following features:
* 180cc intake ports and 64cc or 70cc combustion chambers
* Manganese bronze valve guides
* Valve seats for use with unleaded gas
* End-milled and drilled for accessories
* 2.02 in./1.60 in. stainless steel valves
* Valve springs
* Valve stem seals
* 5/16 in. guideplates
* Rocker arm studs
* Retainers
* Locks
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Some parts are not legal for use in California or other states with similar laws / regulations
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