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Premium Member
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691 Posts
Discussion Starter #1
Hi,
Putting a set of RHS #12317 heads on a friends sbc.
Just trying to find a recommended plug for his setup.
10/1 compression, comp cam 292 H, performer intake,
750 eldy carb. They are 23 degree,64 cc, straight plug heads.
Any help will be appreciated,
Ken
 

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Premium Member
Joined
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691 Posts
Discussion Starter #4
Hi,
Thanks for replies. I only asked because RHS has 2 recommendations
on their site.
S57YC- 14mm/ .708 reach / 5/8 hex
C57YC- 14mm/ .750 reach/ 5/8 hex

Was wondering why the reach difference???
I see the NGK 2815 you recommend is the .708 reach.
How are they running for you, good???
Ken
 
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