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- HEAD BB-CHEVY 5 B/S ASSM
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.
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Part TypeCylinder Head
BrandDART
Package Height7.0
Package Width10.0
Package Length23.0
Weight37.0 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationSpread
Exhaust Valves IncludedYes
Locks IncludedYes
Retainers IncludedYes
Lock Style10 degree
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Intake Valve Angle14
Maximum Valve Lift0.91 in (23.114 mm)
Valve Seat MaterialCopper-beryllium
Heat CrossoverNo
Number Of Springs Per ValveTriple
Valve Springs IncludedYes
Valve Seat Machine Style5-angle intake/2-angle exhaust
Damper Spring IncludedYes
Valve Guides IncludedYes
Cnc-Machined Intake RunnerYes
Intake Valves IncludedYes
QuantitySold individually
Valve Stem Seals IncludedYes
Intake Valve Diameter2.575 in (65.405 mm)
Accessory Bolt Holes DrilledYes
Exhaust Port LocationRaised
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.65 in (41.9 mm)
Combustion Chamber Volume (Cc)76
Machined For O-RingNo
Exhaust Valve Angle14
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Valve Stem Seal StylePositive stop
Retainer MaterialTitanium
Intake Runner Volume (Cc)512
Cnc-Machined Exhaust RunnerYes
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.9 in (48.26 mm)
Vendor Part Number18777169
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
