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GMFS Senior Member
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1,946 Posts
Discussion Starter #1
i have 4 1/2" smc with a 15mm orface. very fast valves. used them for a month. paid over 200.00 for them. asking 175.00 shipped. they do have a little overspray of black paint on them. this does not effect the performance:crazy:
 

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GMFS Senior Member
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1,946 Posts
Discussion Starter #3 (Edited)
went the performance rout for a daily driver. coil over setup. it all changed when i got the ls1 thats sitting in my garage
 

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GMFS Senior Member
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1,946 Posts
Discussion Starter #5
the 4.8 will be a complete block and heads when i pull it out. probly sell it
 
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