Edelbrock Signature Series Valve Covers - Ford 351M/400/351C H760C39XXL To this point

To this point

Using a 5/8"-18 fitting on the back and calibrated for 1000 rpm at 60 mph

thus reducing the dB level

Pins fit most GM blocks and are sold in pairs

Edelbrock Signature Series Valve Covers - Ford 351M/400/351C H760C39XXL To this pointEngineered for function and styled for good looks, triple chrome plated Signature Series valve covers have stock style breather baffles that prevent oil passage to the PCV valve. Edelbrock, Edelbrock Valve Cover, Valve Cover, PCV, Breather, PCV Baffle, Baffle, Breather hole, PCV hole, 1 1 4" diameter hole, Aluminum roller rocker, Aluminum, Stamp steel, sand cast, 4461, Signature Series Valve Covers, Ford, 351M 400, 351C, V8, Chrome FinishSince 1938,