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Vehicle Info NeededBRODIXPART NUMBER: 158-9991000
Track 1 Series Top End Kit 350ci SB-Chevy
$3,24107
Ships on 09/18/2026
Lowest Price GuaranteeTrack 1 Series Cylinder Heads67cc Combustion Chambers
- Track 1 Series Top End Kit
- 350ci SB-Chevy
- 221cc Intake Ports
- 67cc Combustion Chambers
- 2.080'' Intake / 1.600'' Exhaust Valves
- 1.550'' Dia. Springs - 240# Seat Pressure
- Steel Retainers
- Angle Plug
- Assembled Heads
Small Block Chevy Top End Kits Include: - Complete Cylinder Heads
- BM 1000 Intake Manifold (4150 Series)
- Tall Cast Aluminum Valve Covers with Studs and Nuts
- Valve Cover, Intake, Exhaust, Carburetor and Head Gaskets
- Head Bolts with Washers
- Intake Bolts with Washers
- Spark Plugs
- Brodix HatCylinder Head Specifications
- Intake Port Volume: 221cc
- Combustion Chamber Volume: 67cc
- Valves: 2.080' dia. x 4.965' o.a.l. Intake / 1.600' dia. x 4.965' o.a.l. Exhaust ( 11/32' Stem Diameter )
- Valve Springs: 1.550' Diameter - Open Pressure: 550 lbs.; Closed Pressure: 240 lbs.; Installed Height: 1.950'; Max Lift: .700'
- Spring Retainers: 1.550' 10° Steel
- Rocker Studs: 7/16'
- Guide Plates: 5/16'
- Valve Seals: 11/32'
- Spark Plug Configuration: AngledFacts and Related Components
- Torque Heads: 70 ft-lb.
- Torque Rocker Studs: 40-45 ft-lb.
- Intake Gasket: Fel-Pro p/n 375-1206, Cometic p/n 245-C5414
- Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)
- Exhaust Gasket: Fel-Pro p/n 375-1406 or Cometic p/n 245-C5415
- Head Bolts: ARP p/n 070-134-3601 or Manley p/n 660-42313
- Head Bolt Washers: MANLEY p/n 660-42102
- Head Studs: ARP p/n 070-234-4301 (12-point)
- Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
- Valve Angle: 23°
- Angle Milling: .0078' per cc
- Flat Milling: .0060' per cc
- Pushrod Slots: Standard
- Stud Girdle: Brodix BR 6435 (p/n 158-BR6435)
- Rocker Arms: Standard, T&D Economy 2256, Jesel Shaft System KPS 01001
- Lifters: Standard
- Exhaust Pattern: Standard
- Valve Centerline: Standard
- Spring Pockets: May not be cut any larger or deeper than 1.550'
- Accessory Bolt Holes are Drilled
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Race Ready, Right Out Of The Box!
23° Intake & Exhaust Valve Angles
Brodix offers the Track 1 Series Small Block Chevy Aluminum Cylinder Heads in a variety of configurations that are ready to bolt-on and Dominate! The Track 1 cylinder head has a 221cc intake port and a 64 or 67cc combustion chamber. This head was designed for the drag or oval track racer who wants a lighter weight cylinder head that can make a significant difference in horsepower. The Track 1X head was designed as the next step above the Track 1. An additional 20 to 25 horsepower may be gained with this head out of the box over the traditional Track 1.
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Brodix has incorporated improvements such as a 40/60 valve spacing, CNC machined combustion chambers, 2.100'' intake valves, and new intake and exhaust ports. The 222cc intake port flows over 285 cfm at 700'' lift. The exhaust port flows over 195 cfm at 700'' lift. (*Track 1X requires a T&D Economy or Jesel shaft system.) The Track 1 STS Series heads are completely CNC-ported at an economical price. CNC porting ensures maximum consistency between each intake and exhaust port. The Track 1 STS Series head is available in four intake port volumes. Exhaust ports accommodate a standard Chevy pattern only. The industry standard has been taken to the next level with modernized CNC porting. Other features include a thick deck surface that is compatible with nitrous, drilled and tapped holes on the ends for standard drive accessories, phosphorous bronze valve guides and hardened valve seats installed for unleaded fuel. Sold in Pairs. ! | |||||
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 Track 1 part numbers ending with the letter "A" = Angled Spark Plug |  Track 1 part numbers ending with the letter "S" = Straight Spark Plug |
Part TypeTop End Kit
Product LineBrodix Small Block Chevy Track 1 Series Aluminum Cylinder Heads
BrandBRODIX
Package Height17.0
Package Width23.5
Package Length24.0
Weight111.0 PG
Intake Manifold Model (Descriptive)Brodix
Intake Manifold IncludedYes
Retainers IncludedYes
Guideplates IncludedYes
Pushrods IncludedNo
Oiling StyleThrough pushrod
Cylinder Head Bolts IncludedYes
Valve Seats MachinedYes
Heat CrossoverNo
Number Of Springs Per ValveDual
Spark Plug StyleAngled
Exhaust Port ShapeD-Port
Damper Spring IncludedNo
Valve Stem Seals IncludedYes
Intake Valve Diameter2.08 in (52.832 mm)
Valve Guide MaterialPhosphorous bronze
Outside Diameter Of Outer Spring1.55 in (39.4 mm)
Camshaft IncludedNo
Carburetor FlangeSquare bore
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialSteel
Cnc-Machined Combustion ChamberNo
Lifters IncludedNo
Exhaust Valve Diameter1.6 in (40.64 mm)
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake MaterialAluminum
Intake StyleSingle plane
Intake Port LocationStandard
Valve Cover MaterialCast aluminum
Rocker Arm Nut Thread Size (In.)7/16"-20
Intake FinishNatural
Exhaust Valves IncludedYes
Locks IncludedYes
Gaskets IncludedYes
Rocker Arms IncludedNo
Valve Covers IncludedYes
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seat MaterialDuctile iron
Valve Springs IncludedYes
Fuel Delivery StyleCarbureted
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
QuantitySold as a kit
Accessory Bolt Holes DrilledYes
Exhaust Port LocationStandard
Combustion Chamber Volume (Cc)67
Machined For O-RingNo
Timing Chain And Gears IncludedNo
Cylinder Head StyleAssembled
Valve Cover Mounting StylePerimeter bolt
Intake Runner Volume (Cc)221
Cnc-Machined Exhaust RunnerNo
Vendor Part Number9991000
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
