GM 1.9 Saturn DOHC
1.9L GM Saturn DOHC LL0 cylinder heads were changed slightly in 1995, when Saturn adopted electronic, linear EGR mechanisms, over the previous vacuum actuated design. The head casting was changed to accommodate different mounting surface of the new valve.The egr comes three ways: parallel to the valve comve, at a 45 angle, or no egr mount at all .
No Rocker cup adjuster
Casting #21006469 21006937 1999
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