This is a SET of Remanufactured OE Stock LS2, LS6, 4.8L , 5.3L, 5.7L, 6.0L Gen III / Gen IV Cylinder Heads Assembly.

Part # : 243 casting also replaces 799
Description : Stock LS Series 4.8L / 5.3L, 5.7L / 6.0L
Specs : Combustion Chamber Volume: 64.45cc
Intake Port Volume: 210cc
Exhaust Port Volume: 75cc
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
JJ Original Equipment offers buyers a 90-days (Unlimited Miles) warranty for Remanufactured Cylinder Heads beginning on the ship date.