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Manley Valves
SBC & LS1/LS2 (LS6 Head), LS3/L99 (L92 Head) & LS7

Extreme Duty Xtreme-Alloy Exhaust Valves
  • XH-432 Stainless Exhaust Material
  • Chrome Stems and Hard Tips
  • Swirl Polished and Fully Machined
  • More hot hardness and high temperature strength than any other competitive offerings
Part # Type Head
Diam.
Stem
Diam.
Installed
Height
O/A
Length
Price/
Set
Order
Online
SBC
11599-8 EXH 1.600 .3415 .050 longer 5.015 $425 order here
11701-8 EXH 1.600 .3415 .100 longer 5.065 $425 order here
11705-8 EXH 1.600 .3415 .200 longer 5.165 $425 order here
11709-8 EXH 1.600 .3415 .300 longer 5.265 $425 order here
11711-8 EXH 1.600 .3415 .400 longer 5.365 $425 order here
11713-8 EXH 1.625 .3415 .100 longer 5.065 $425 order here
11715-8 EXH 1.625 .3415 .200 longer 5.165 $425 order here
11721-8 EXH 1.625 .3415 .300 longer 5.265 $425 order here
11725-8 EXH 1.625 .3415 .400 longer 5.365 $425 order here
LS1/LS2 (LS6 Head)
11681-8 EXH 1.575 .3136 Stock 4.923 $425 order here
11683-8 EXH 1.600 .3136 Stock 4.923 $425 order here
LS3/L99 (L92 Head)
11685-8 EXH 1.590 .3136 Stock 4.923 $425 order here
LS7
11687-8 EXH 1.610 .3136 Stock 5.230 $425 order here
 
 
 
 
 
 
 
 
 
 
 

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