Victor LS-R CNC Cylinder Heads For LSX Engine Blocks

Victor LS-R CNC Cylinder Heads by Edelbrock
  • Cylinder Head Specifications:
  • Combustion chamber volume: 49cc
  • Intake runner volume: 353cc
  • Exhaust runner volume: 117cc
  • Intake valve diameter: 2.24" (Valves not included)
  • Exhaust valve diameter: 1.59" (Valves not included)
  • Valve stem diameter: 5/16" Intake | 11/32" Exhaust
  • Valve guides: Manganese bronze
  • Deck thickness: 0.800"
  • Valve spring diameter: 1.75"
  • Valve spring maximum lift: N/A
  • Rocker stud: N/A
  • Guideplate: N/A
  • Pushrod diameter: N/A
  • Valve angle: 7.8°x4.0° Intake | 5.6°x2.0° Exhaust
  • Exhaust port location: Raised +0.875”
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat
Our Victor LS-R CNC cylinder heads are ideal for use with Chevrolet Performance LSX and similar engine blocks in ultra high performance competition applications. It starts with our Pro-Port Raw casting and is then fully CNC machined to meet the demands of a high output race engine. The casting is made from A-356 aluminum and is Hot Isostatic Pressing processed (HIP) for superior strength, durability, dimensional stability and exceptional finish quality. It also features an exhaust port flange that has been raised 0.875" for improved air flow. It also includes deeper rocker bolt holes for improved support and stability at high rpm. Victor LS-R CNC cylinder heads feature fully CNC’d intake ports, combustion chambers and exhaust ports. Compatible with GM SB2 valve covers. Will require an aftermarket rocker system. Pro-Port Raw version #770469 is available for custom porting applications.
  Bare CNC Ported (Single)
Application Dyno Emissions Satin
Edelbrock Victor LS-R CNC - 770468
Edelbrock Installation Note INSTALLATION NOTE: Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
#770468: Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
Valve Lift .200" .300" .400" .500" .600" .700" .800" .900" .1000"
Intake 137 210 285 357 410 435 445 450 451
Exhaust 85 137 189 231 268 285 298 306 309
Edelbrock Tech Note TECH NOTE: Please view Cylinder Head Flow Data and Valve Springs & Retainers for all Edelbrock Performance Aluminum Cylinder Heads.
The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps