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![Assembled Platinum Pro 1 Aluminum Cylinder Head [Angled Plug]](https://www.jegs.com/images/mini_750/300/301/301-11971143p.jpg)
Vehicle Info NeededDARTPART NUMBER: 301-11971143P
Assembled Platinum Pro 1 Aluminum Cylinder Head [Angled Plug]
$2,24157
Ships on 01/15/2027
Lowest Price Guarantee227cc Intake Ports (CNC-Ported)Combustion Chambers: 66cc
- Assembled Platinum Pro 1 Aluminum Cylinder Head
- Angled Plug
- Valves: 2.08'' Intake, 1.60'' Exhaust
- Dual Valve Springs: 1.550''
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
BrandDART
Package Height6.4
Package Width9.0
Package Length21.8
Weight28.2 PG
Retainers IncludedYes
Guideplates IncludedYes
Oiling StyleThrough pushrod
Valve Seats MachinedYes
Heat CrossoverNo
Number Of Springs Per ValveDual
Spark Plug StyleAngled
Damper Spring IncludedYes
Valve Stem Seals IncludedYes
Intake Valve Diameter2.08 in (52.832 mm)
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.55 in (39.4 mm)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialTitanium
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.6 in (40.64 mm)
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)7/16"-20
Exhaust Valves IncludedYes
Locks IncludedYes
Lock Style10 degree
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle24
Maximum Valve Lift0.69 in (17.526 mm)
Valve Seat MaterialDuctile iron
Valve Springs IncludedYes
Valve Seat Machine Style4-angle intake/3-angle exhaust
Valve Guides IncludedYes
Cnc-Machined Intake RunnerYes
Intake Valves IncludedYes
Combustion Chamber StyleHeart
QuantitySold individually
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)85
Exhaust Port LocationStandard
Combustion Chamber Volume (Cc)64
Machined For O-RingNo
Exhaust Valve Angle15
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Cover Mounting StyleCenter and perimeter bolt
Valve Stem Seal StylePositive stop
Intake Runner Volume (Cc)227
Cnc-Machined Exhaust RunnerYes
Vendor Part Number11971143P
Package Qty1
Package TypeEA
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