Used that combo for years single valve relief piston ra 4 heads flat tappet hyd cam in a 3100 lb car I went 10.00 9.90 in the early 1990,s
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2008KRE Q16 Winner
2014 atco raceway doorslammer winner 86 grand am tube car 8.95 @152 455 eheads solid flat tappet cam
Hoffman Racing building and racing Pontiacs for 35 years
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