Valve covers
Registered User
Joined: Apr 2007
Posts: 3,234
From: South Central Florida
Valve covers
Valve covers are pretty much generic; either 10-bolt or 5-bolt. Your 403 should be 5-bolt with stock heads. I have some oem used ones if interested. Please let me know. Thanks, Bob.
70 442 W-30
Joined: May 2014
Posts: 341
From: Swanton, Ohio
They were only 5-bolts because by that time the worker were getting lazy lol. Outside of that the factory did the cost savings for 5 bolts vs 10 bolts and it obvious which 1 they went with.
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