New Arrivals/Restock

GM 6.0L LS LQ4 LQ9 REMANUFACTURED Cylinder Head 317 Assembly w/Rocker Arms Genuine OEM

flash sale iconLimited Time Sale
Until the end
20
56
55

$225.57 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $375.95
quantity

Product details

Management number 220759787 Release Date 2026/05/03 List Price $150.38 Model Number 220759787
Category

This is a Rebuilt OE Stock 6.0L LQ4 / LQ9 Cylinder Head Assembly.* Part # : 317 , 12562319 , 12562317* Description : Stock 6.0L LQ4 / LQ9 LS Series Cylinder Head Assembly.* Specs : Combustion Chamber Volume: 70.03ccIntake Port Volume: 210ccExhaust Port Volume: 75ccIntake Valve Diameter: 2.00 inchesExhaust Valve Diameter: 1.55 inches * 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***

  • 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
Brand Generic
Model Cylinder Head
Exterior Machined
Item Weight 30 pounds
Manufacturer General Motors
Item model number 317
Manufacturer Part Number 317

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review