This is a Set of 2 Rebuilt OE Stock LS 4.8L , 5.3L Cylinder Head Assembly.

* Part # : 862 casting also replaces 706
* Description : Stock LS Series 4.8L / 5.3L Cylinder Head. Compatible with LR4 / LM7 / LM4 Engines
* Specs : Combustion Chamber Volume: 61.15cc
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches
* Note : Cylinder Head fits Driver and or Passenger Side
* 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 90-day (Unlimited Miles) Remanufactured Cylinder Head Warranty***