Search  for anything...

GM LS2 LS6 Gen III Gen IV SET OF 2 Remanufactured Cylinder Heads 243 Assembly w/Rocker Arms OEM REMANUFACTURED (Renewed)

  • Based on 6 reviews
Condition: Refurbished - Excellent
Checking for product changes
$750.98 Why this price?

Buy Now, Pay Later


As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 10 left in stock, order soon!
Fulfilled by JJ Original Equipment

Arrives Jan 3 – Jan 4
Order within 12 hours and 7 minutes
Available payment plans shown during checkout

Features

  • 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

Description

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 799Description : Stock LS Series 4.8L / 5.3L, 5.7L / 6.0LSpecs : Combustion Chamber Volume: 64.45cc Intake Port Volume: 210cc Exhaust Port Volume: 75cc Intake Valve Diameter: 2.00 inches Exhaust Valve Diameter: 1.55 inchesNote : Surfaced, Pressure Tested, Valve JobAccessories : 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 specificationsJJ Original Equipment offers buyers a 90-days (Unlimited Miles) warranty for Remanufactured Cylinder Heads beginning on the ship date.

Manufacturer: ‎General Motors


Brand: ‎Generic


Model: ‎Cylinder Head


Country of Origin: ‎USA


Item model number: ‎243


Exterior: ‎Machined


Manufacturer Part Number: ‎799 , 243


Date First Available: November 1, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jan 3 – Jan 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Fast shipping received one bad head
One of the cylinder heads has dents and dings on all the sealing surfaces. Alsow the heads were painted silver witch was over the dents and dings
Reviewed in the United States on February 22, 2024 by Kyle Kyle

  • Good price
It was what I ordered and on time thank you
Reviewed in the United States on January 27, 2024 by RC

  • Could be better finish
Had bad bolt treads on exhaust and valve cover. Over all looks good and they are working. Fully clean.
Reviewed in the United States on June 7, 2023 by Andres Cruz Ortiz

Can't find a product?

Find it on Amazon first, then paste the link below.