Engine Valve Cover SetThe Edelbrock #4643 Signature Series Valve Covers are designed for Chevrolet 262 400 '59 86 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

The housings feature -10 or -12 ORB inputs and outputs to suit a variety of fuel systems

Drilling two 3/8” holes is required (no welding)

Viking shocks are crafted from lightweight aluminum with a clear anodized finish

The arms feature TIG-welded chrome-moly tube adapters

causing slower and inconsistent launches

boaters can take advantage of the higher flow available with the Vortec head design

Overall height of the breather is 1

This triangular air cleaner comes with high-quality 2-1/2" washable

single and non-adjustable valving options

zinc-plated

heat resistance

and more fun - with far less cost