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Vehicle Info NeededPROMAXX PERFORMANCEPART NUMBER: 723-9205
Project X Bare Aluminum Cylinder Heads for Small Block Ford (210cc)
$1,30400
Ships on 09/18/2026
Lowest Price Guarantee210cc Intake Runner
Project X Bare Aluminum Cylinder HeadsSmall Block Ford Intake Runner: 210cc Spark Plug: 14mm .750 Reach Seats Installed for: 2.08 in. Int./1.60 in. Exh. Valves Combustion Chamber: 56cc Set of 2
ProMaxx 9205 Project X Aluminum Cylinder Head Features:
- Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise.
- Uses a 14mm .750 in. reach spark plug such as NGK R5671A-7 (sold separately) or equivalent.
- Valve Angle: 20°
- Diamond Honed Manganese Bronze 11/32 in. Guides
- Combustion chambers with unshrouded, hardened steel valve seats.
- Bare set of 2
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
Part TypeCylinder Head
BrandPROMAXX PERFORMANCE
Package Height8.0
Package Width12.0
Package Length21.0
Weight65.0 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Exhaust Valves IncludedNo
Locks IncludedNo
Engine Make/SizeFord Small Block
Retainers IncludedNo
Intake Port ShapeRectangle
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle20
Valve Seat MaterialSteel
Heat CrossoverNo
FinishNatural
Valve Springs IncludedNo
UsageStreet/Strip
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedNo
Combustion Chamber StyleHeart
QuantitySold as a set of 2
Valve Stem Seals IncludedNo
MaterialAluminum
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)72
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze
Combustion Chamber Volume (Cc)56
Machined For O-RingNo
Exhaust Valve Angle20
Rocker Arm Studs IncludedNo
Cylinder Head StyleBare
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Retainer MaterialSteel
Intake Runner Volume (Cc)210
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Vendor Part Number9205
Package Qty1
Package TypeEA
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