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Brodix Cylinder Heads Top-End Packages for Chevy 9991012
Part Number: BRO-9991012
Brodix Cylinder Heads Top-End Packages for Chevy
Cylinder Head Combo, Assembled, Aluminum, Intake Manifold, Dual Plane, Square Bore, Valve Covers, Chevy, 350, Kit
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Estimated Ship Date: Nov 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
9991012
Part Type:
Product Line:
Summit Racing Part Number:
BRO-9991012
Cylinder Heads Included:
Yes
Camshaft Included:
No
Camshaft Type:
Hydraulic Roller Tappet
Intake Manifold Included:
Yes
Fuel Delivery Style:
Carbureted
Carburetor Included:
No
Throttle Body Included:
No
Fuel Rails Included:
No
Fuel Injectors Included:
No
Intake Material:
Aluminum
Intake Color:
Natural
Intake Style:
Dual plane
Intake Manifold Name:
Brodix
Carburetor Flange:
Square bore
Timing Chain and Gears Included:
No
Lifters Included:
No
Gaskets Included:
Yes
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Cylinder Head Color:
Natural
Combustion Chamber Volume (cc):
70
CNC-Machined Combustion Chamber:
No
Intake Runner Volume (cc):
180cc
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
Intake Valve Diameter (in.):
2.020 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.470 in.
Damper Spring Included:
Yes
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 Arms Included:
No
Rocker Arm Studs Included:
Yes
Rocker Arm Nuts Included:
No
Rocker Arm Nut Thread Size:
3/8 in.-24
Guideplates Included:
Yes
Guideplate Pushrod Size:
5/16 in.
Pushrods Included:
No
Valve Covers Included:
Yes
Valve Cover Material:
Fabricated aluminum
Valve Cover Color:
Natural
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
Phosphorous bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-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 kit.
Notes:
Valve spring specs: 1.470 in. hydraulic roller valve spring, 125 lbs. closed, 325 lbs. open, 1.900 in. installed height, 0.575 in. maximum lift.
Brodix Cylinder Heads Top-End Packages for Chevy
Bolt one of these complete Brodix top-end packages for Chevy onto your short block for the potent tune-up performance you expect--without the wasted time and hassle of assembling all of the various components on your own. The experts at Brodix Cylinder Heads have done the legwork for you, providing quality heads, plugs, gaskets, covers, and hardware in one convenient kit.
Brodix top-end packages include:
* Fully assembled Brodix cylinder heads
* Spark plugs
* Head gaskets, intake gaskets, exhaust gaskets, carburetor gaskets, and valve cover gaskets
* Valve covers with studs and nuts
* Head bolts and washers
* Intake bolts and washers
* Available with single or dual-plane intake manifolds
* Free Brodix hat
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