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1977 Chevy Truck Engine Clean Air Injection Runners

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Proform offers a variety of plug-looming options. One-Piece Valve Cover Hold-Downs (PN 66292) combine improved sealing load distribution with linear wire looms. They aren't intended for emissions engines, so we trimmed and bent the looms' ears to clear the air-injection runners.
1977 Chevy Engine Valve Covers - Ratty to Natty

 Proform offers a variety of plug-looming options. One-Piece Valve Cover Hold-Downs (PN 66292) combine improved sealing load distribution with linear wire looms. They aren't intended for emissions engines, so we trimmed and bent the looms' ears to clear the air-injection runners.  View Related Article

 

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