GM 60V6 - Competition Ported 3100 Lower Intake

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Competition Ported 3100 Lower Intake

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The WOT-Tech Competition Series represents the best of what we have to offer, with fully ported runners and the best runner taper and port texture available anywhere. Flowbench designed as a complete system from head to throttle body for the best performance at any level when combined with the Competition Series upper. Compatible with stock and sportsman uppers as well. This version of the lower intake incorporates some "tricks" for improved flow and velocity that you won't find in the sportsman porting, or anywhere else.

ATTN 94-99 L82 Owners! Your heater return coolant line connection to the lower intake is a threaded adapter, not a press in setup like these newer manifolds. You will need to either get the press in tube, or select the option for threading the manifold.

IMPORTANT! If you have a 1994 or 1995 3100, your lower intake manifold will need to be modified to clear the stamped steel rocker arms. If you have a 1996 3100, please check your rocker arms to verify yours are roller fulcrum rockers. There is a $40 charge to setup the test engine and clearance for your stamped rockers (select no to roller rockers). For more information, please read this article.

ALSO! Please select the 94-99 Large Port Gasket option (which is based on the 94-99 FelPro set that does NOT include the new lower intake manifold bolts with thread locker. You will need to clean your bolts and apply a thread locker to keep them from loosening up and creating a gasket leak in the future.

Lastly If you have a 94-95 3100 and are upgrading to these large port mainfolds, you will need to say No to the Roller Rocker tab so that the manifold will be clearanced.

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Price: $134.99

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