This is a Remanufactured OE Stock LS1, 5.7L Cylinder Head Assembly.
* Part # : 241 , 12564241
* Description : Stock LS Series 5.7L Cylinder Head
* Specs : Combustion Chamber Volume: 68.0cc
Intake Port Volume: 199cc
Exhaust Port Volume: 71cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches
* Note : Surfaced, Pressure Tested, Valve Job
* Accessories : Rocker Arms Included are in "Good" Used Condition ,
Remanufacturing Process Includes:
- Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity
- New valve seats installed as necessary
- New valve stem seals installed on all our heads & all valve guides are replaced with new ones as necessary.
- Valve job Performed with all required angles & vacuum tested seals to ensure perfect compression.
- PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).
- CBN milled to ensure a super smooth finish. (CBN stands for Cubic Boron Nitride and is best for cast-iron heads).
- All necessary parts are cleaned and inspected before final assembly to meet AERA specifications
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