Set of 2 GM LS2 LS6 Gen III Gen IV Genuine OEM Cylinder Head 799 Assembly with Valves, Springs, and Rockers

Set of 2 GM LS2 LS6 Gen III Gen IV Genuine OEM Cylinder Head 799 Assembly with Valves, Springs, and RockersCondition: USED REBUILDABLE CORE This Cylinder Head part number 12629058 is engineered for optimal engine performance in many V8 applications. Designed to enhance combustion cooling and overall power output it is widely used in vehicles such as light trucks and performance models. The part has demonstrated reliability in 5. 3L engines and its quality is supported by multiple technical sources and fitment records. Hollander Number 306 01749A

Condition: USED/REBUILDABLE CORE

This Cylinder Head part number 12629058 is engineered for optimal engine performance in many V8 applications. Designed to enhance combustion cooling and overall power output it is widely used in vehicles such as light trucks and performance models. The part has demonstrated reliability in 5.3L engines and its quality is supported by multiple technical sources and fitment records. Hollander Number 306-01749A Application CAMARO 99-02 8-350 (5.7L) CORVETTE 99-00 CORVETTE 01-04 LS1 engine (VIN G 8th digit) FIREBIRD 99-02 5.7L GTO 04Hollander Number 306-01749B Application ALLURE 08-09 5.3L AVALANCHE 1500 07-10 5.3L AVALANCHE 1500 11-13 CANYON 09-12 5.3L COLORADO 09-12 5.3L CORVETTE 01-04 LS6 engine (VIN S 8th digit) CORVETTE 05 CORVETTE 06-07 6.0L CTS 04-05 5.7L (VIN S 8th digit 8-350) CTS 06-07 6.0L (VIN U 8th digit 8-364) ENVOY 05-09 5.3L (Denali) ENVOY XL 05-06 5.3L ENVOY XUV 05 5.3L ESCALADE 09-13 6.0L (Hybrid) EXPRESS 1500 VAN 08-14 8-323 (5.3L) EXPRESS 2500 VAN 08-12 8-323 (5.3L) EXPRESS 2500 VAN 08-16 8-292 (4.8L) EXPRESS 2500 VAN 17 4.8L EXPRESS 3500 VAN 08-16 8-292 (4.8L) EXPRESS 3500 VAN 17 4.8L GRAND PRIX 05-08 5.3L GTO 05-06 HUMMER H3 08-10 5.3L IMPALA 06-09 5.3L ISUZU ASCENDER 05-06 5.3L LACROSSE 08-09 5.3L MONTE CARLO 06-07 5.3L RAINIER 05-07 5.3L SAAB 9-7X 05-09 8 cylinder SAVANA 1500 VAN 08-14 8-323 (5.3L) SAVANA 2500 VAN 08-12 8-323 (5.3L) SAVANA 2500 VAN 08-16 8-292 (4.8L) SAVANA 2500 VAN 17 4.8L SAVANA 3500 VAN 08-16 8-292 (4.8L) SAVANA 3500 VAN 17 4.8L SIERRA 1500 PICKUP 05-06 5.3L VIN B (8th digit opt L33) SIERRA 1500 PICKUP 07 classic style (creased door skin) 5.3L VIN B (8th digit opt L33) SIERRA 1500 PICKUP 07 style (smooth door skin) 4.8L SIERRA 1500 PICKUP 07 style (smooth door skin) 5.3L SIERRA 1500 PICKUP 08-10 5.3L SIERRA 1500 PICKUP 08-13 4.8L SIERRA 1500 PICKUP 09 6.0L whybrid option (opt HP2) SIERRA 1500 PICKUP 10-13 6.0L SIERRA 1500 PICKUP 11-13 5.3L gasoline SILVERADO 1500 PICKUP 05-06 5.3L VIN B (8th digit opt L33) SILVERADO 1500 PICKUP 07 classic style (creased door skin) 5.3L VIN B (8th digit opt L33) SILVERADO 1500 PICKUP 07 style (smooth door skin) 4.8L SILVERADO 1500 PICKUP 07 style (smooth door skin) 5.3L SILVERADO 1500 PICKUP 08-10 5.3L SILVERADO 1500 PICKUP 08-13 4.8L SILVERADO 1500 PICKUP 09 6.0L whybrid option (opt HP2) SILVERADO 1500 PICKUP 10-13 6.0L SILVERADO 1500 PICKUP 11-13 5.3L gasoline SSR 05-06 SUBURBAN 1500 07-09 8-323 (5.3L) SUBURBAN 1500 10-14 (5.3L) TAHOE 07 TAHOE 08-09 4.8L TAHOE 08-09 5.3L TAHOE 08-09 6.0L TAHOE 10-14 TRAILBLAZER 06-08 5.3L TRAILBLAZER 06-09 6.0L TRAILBLAZER EXT 05-06 5.3L YUKON 07-09 4.8L YUKON 07-14 5.3L YUKON 08-13 6.0L YUKON XL 1500 07-14 5.3L

All parts industrially cleaned and inspected for cracks and damage before shipping

Part Number: 12629058
Manufacturer: GM
Weight: 54.0000 lbs

Additional Details:
Genuine OEM Parts

Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.

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About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!