Feature

●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 2 Rebuilt GM 5.3L L83 Direct Injection Cylinder Heads Assemblies with rocker arms.


* Part # : 12620214 * Description : GM Vortec 5.3L direct injection Cylinder Head Assembly 2014-2020 * Specs : Material: 319-T7 Aluminum Combustion Chamber Volume: 57cc
Intake Runner Volume: 248cc
Exhaust Port Shape: Flat Oval
Exhaust Runner Volume: 102cc
Cylinder head Bolt Style: Torque to Yield (TTY) Cylinder Head Bolt Size: (10) M12 x 1.75, M8 corner bolts * Information : rocker arms included * Fitment : SIERRA 1500 PICKUP 14-20 5.3L SIERRA 1500 14-19 5.3L SILVERADO 1500 PICKUP 14-20 5.3L SUBURBAN 1500 15-20 5.3L TAHOE 15-20 5.3L YUKON 15-20 5.3L YUKON XL 1500 15-20 5.3L