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![Small Block Chevy Performance Heads Assembly Kit for Hydraulic Roller Cam [205 cc Intake Ports, Straight Spark Plug Style]](https://www.jegs.com/images/mini_750/500/555/555-514065k.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-514065K
Small Block Chevy Performance Heads Assembly Kit for Hydraulic Roller Cam [205 cc Intake Ports, Straight Spark Plug Style]
$1,62352
4 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeSmall Block 205 cc
Performance Heads Assembly KitSmall Block Chevy 205 cc Intake Ports Includes:
- Aluminum Cylinder Heads
- Intake Gaskets
- Exhaust Gaskets
- Head Gaskets
- Valve Cover Gaskets
- Head Bolt Kit
- Thread Sealant
JEGS 555-514065K Performance Heads Assembly Kit for Small Block Chevy [205 cc Intake Ports] Includes:
- (2) JEGS Aluminum Cylinder Heads for Hydraulic Roller Cam 555-514065
- (1) JEGS Intake Gaskets 555-210000
- (1) JEGS Exhaust Gaskets 555-210052
- (2) JEGS Head Gaskets 555-210041
- (1) JEGS Valve Cover Gaskets 555-210071
- (1) JEGS Head Bolt Kit 555-83400
- (1) JEGS Thread Sealant 555-28011
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
Chevy Performance Right Out of the Box!
JEGS Chevy Aluminum Cylinder Heads bring racing technology to your high-performance street engine! We use the most up-to-date technology to design our intake & exhaust runners and combustion chambers for maximum performance. Our choices of CNC-ported, intake runner volumes, combustion chamber sizes, spark plug styles, and valve springs ensure that we have a cylinder head to suit your needs. Each JEGS cylinder head assembly has premium parts and hardware.
Part TypeCylinder Head
Product LineJEGS Chevy Small, Big Block Aluminum Cylinder Heads
BrandJEGS
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)3/8"-24
Exhaust Valves IncludedYes
Exhaust Valve MaterialStainless Steel
Locks IncludedYes
Engine Make/SizeChevy Small Block
Retainers IncludedYes
Intake Port ShapeRectangular
Lock Style7 degree
Guideplates IncludedYes
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Intake Valve Angle23
Maximum Valve Lift0.600 in.
Valve Seat MaterialDuctile iron
Heat CrossoverNo
Intake Valve MaterialStainless Steel
Camshaft StyleHydraulic roller
Number Of Springs Per ValveDual
Valve Springs IncludedYes
Spark Plug StyleStraight
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
Combustion Chamber StyleHeart
QuantitySold as a Kit
Valve Stem Seals IncludedYes
Intake Valve Diameter2.02 in (51.308 mm)
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)78
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze intake/Phosphorous bronze exhaust
Combustion Chamber Volume (Cc)68
Machined For O-RingNo
Exhaust Valve Angle23
Rocker Arm Studs IncludedYes
Cylinder Head StyleAssembled
Valve Stem Diameter0.3415 in.
Valve Cover Mounting StyleCenter and perimeter bolt
Retainer MaterialChromoly steel
Intake Runner Volume (Cc)205
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.600 in.
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
