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MANLEY RACE FLO/RACE MASTER Stainless Valves [Type Int. | Head Diam. 1.930 | Stem Diameter .3133 | Installed Height Stock | O/A Length 5.232 | Tip Length .160 | Underhead Angle/Radius Pro Flo 12 x 3/8\" | Margin .050 | Seat Width .100 | Top of Head 7 | Wgt/Grams 112] (GM 5.3L L83)

MANLEY RACE FLO/RACE MASTER Stainless Valves [Type Int. | Head Diam. 1.930 | Stem Diameter .3133 | Installed Height Stock | O/A Length 5.232 | Tip Length .160 | Underhead Angle/Radius Pro Flo 12 x 3/8" | Margin .050 | Seat Width .100 | Top of Head 7 | Wgt/Grams 112] (GM 5.3L L83)

$174.46

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Chrome Stems and Hard Tips
Intakes are "Pro Flo" for Improved Flow
Swirl Polished and Machined
O.E. Style Radius Keeper Grooves

Valves 12356 and 12358 have a back cut of .050" x 30


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  • Model: 12356-8
  • FROM: MANLEY

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we added this on Thursday 10 September, 2020.

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