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The Sierra 18-2125 restores factory-clearance engagement
By compressing the throttle position signal
the factory adjustment range may not be sufficient to bring camber and caster back into spec — these cam bolts expand the alignment envelope
and overall engine performance
Upgrade your build with the AutoMeter 4621 AutoMeter Pro-Comp Silver Face Gauges at Atech Motorsports
Manley 10577-8 Manley Budget Series Performance Valves Stator Supports The Sierra 18-2125 restores factory-clearanceThe Manley 10577 8 Manley Budget Series Performance Valves are precision machined valves for high performance cylinder heads. Manley Race Master valves have swirl polished stems, undercut heads for improved flow around the valve seat, and hardened tips for durability. Part 67746 is configured for its specific application with attention to fitment requirements. These valves are machined from 21 4N stainless steel or titanium depending on the series.
