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Author Topic:   ProTopline heads
eborcim
Dirt Freak

Total posts: 303
posted August 12, 2005 01:46 PM  
Anyone running these? Any problems with them? Looking at a set for a 406 to be run in an outlaw stockcar on a 3/8 track..or could also go with a comparable set of Darts.

[This message has been edited by eborcim (edited August 12, 2005).]

32bstockcar
Dirt Roller

Total posts: 20
posted August 12, 2005 01:54 PM  
I've run pro toplines the last 3 seasons with .600 lift springs and .700 lift springs never had a problem and engine builder says they make more power than darts.

ford5
Dirt Forum Champ
Total posts: 711
posted August 13, 2005 06:06 AM  
Pro Topline is now RHS (Racing Head Service)

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