Thread: 427/875 heads
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Old 05-03-2014, 11:21 PM   #2
SSDiv6
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Default Re: 427/875 heads

Quote:
Originally Posted by Adger Smith View Post
Is anyone familiar with these BBC heads?:

10049875 10049875 376/R 83 (o) 2.28/1.88 Pontiac small port head
10045427 10045427 460/R 91 (o) 2.40/1.90 Pontiac large port head

What are the common OAL valve length for these heads?
Thanks,
Adger Smith
adgersperf@aol.com
Big Port: Intake - 6.605", Exhaust - 6.45"

The small port heads were made by Brodix:
Intake - 5.471", Exhaust - 5.450"
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