Valve Covers
By-Pass Valve
GM
12629357
XTS. Charge air bypass. 3.6L twin-turbo, wastegate system. CTS. 3.6l. 3.0L twin-turbo, wastegate system.
$62.39
MSRP $98.61
Save $36.22
36.7% Off 
Exhaust Valve
GM
12674513
XTS. With turbocharger. CTS. With vsport. ATS. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$17.06
MSRP $24.94
Save $7.88
31.6% Off 
Exhaust Valve
GM
12678746
Escalade ESV. Camaro. Sierra, silverado. 6.2l. Corvette. Yukon XL. Tahoe. 6.2l. CT5. CTS-v. Suburban. 6.2l.
$28.57
MSRP $43.93
Save $15.36
35% Off 
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