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GM 4.8L 5.3L LS REMANUFACTURED Cylinder Head 862 Assembly w/Rocker Arms 706

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$350.95

$ 99 .00 $99.00

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  • 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.
  • All necessary parts are cleaned and inspected before final assembly to meet AERA specifications


This is a 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***