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| | | Forums66 Topics128,050 Posts1,055,684 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#49623 08/28/2005 5:57 AM | Joined: Aug 2005 Posts: 8 New Guy | | New Guy Joined: Aug 2005 Posts: 8 | I need three valves GM part # 5341258. I belive these were out of a 302 GMC engine but I am not sure. In 1969 when I rebuilt my Pontiac engine I could not find original valves and I used 12 of these because they were the proper length ands wee 1/8 larger in head diameter. The only thing I had to do was ream my guides .030 oversize. The valves are 4 3/4" over length, have a 1 14/32 head diameter and are .341' stem diameter. I desperatly need three of these for my daily driver.
Series 6-30B Pontiac
Assembled in Regina Saskatchewan
June 6, 1930.
Happy Hobbying
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