GM Performance Parts L76/L92 Series Cylinder Heads


GM Performance
GM Performance Parts L76/L92 Series Cylinder Heads

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The L76/L92 Family of GM engines has continued GM Performance's tradition of raising the power potential of the legendary small-block V-8. The LS6 cylinder head came as standard equipment on the amazing 405-horse Z06 Corvette and the 2005 Corvette with the LS2 engine. These heads can be installed on any 1997-2005 LS Family ov V-8 engines (except 4.8L & 5.3L versions), and the GM Performance Parts engineers have even designed fully-CNC-ported versions to get your late model GM engine screming right along. GM performance's complete assemblies come with bee-hive valve springs and light weight hollow stem valves - innovations that their competitors have had to copy to catch up to their designs. They have allready done the validation of these heads in competition in their show room stock C5R Corvette racecar, so you can be assured their LS6 race heads will live up to your demands.



GM Performance 12480090 - GM Performance Parts L76/L92 Series Cylinder Heads
809-12480090
Bare C5R Racing Cylinder Head
  • Capable of over 800 horsepower
  • 355-T7 "as-cast" Aluminum racing head
  • C5R Rectangle port design - requires rectangle port intake manifolds
  • Designed for 2.180"/1.625" valves
  • Sold individually
    More info on GM Performance 12480090
  • $1,784.99
    Ships
    in 3 days
    GM Performance 12564824 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-12564824
    2002-2003 RPO LS6 Cylinder Head Assembly
  • Sold Individually
  • Fits 1997-2007 LS Family engine
  • 2.00" hollow stem intake
  • 1.55" sodium filled exhaust valves
  • .570" max valve lift
  • 210cc "Cathedral port" intake ports
  • Sold individually
    More info on GM Performance 12564824
  • $809.99
    Ships
    in 3 days
      809-12576063
    LS2 Cylinder Head Assembly
  • Lower cost alternative to the LS6 CNC head
  • Fits any 1997-2007 LS Family engine
  • 2.00" Solid stem intake
  • 1.55" solid stem exhaust valves
  • .570 max valve lift
  • Sold individually
    More info on GM Performance 12576063
  • $429.99
    Ships
    GM Performance 12578449 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-12578449
    LS7 Cylinder Head Assembly
  • 356-T6 aluminum head
  • Fully CNC'd ports and chambers
  • C5R/LS7 rectangle port design-requires rectangle port intake manifold P/N 25534394 or 12568976
  • Capable of over 600 horsepower
  • Sold individually
    More info on GM Performance 12578449
  • $1,807.99
    Ships
    in 3 days
    GM Performance 12582713 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-12582713
    L92/L76 Cylinder Head
  • 70cc Combustion Chamber
  • 2.160'' Intake Vavles
  • 1.590'' Exhaust Valves
  • 0.510'' Valve Lift
  • Fully Assembled
  • Sold individually
  • $439.99
    Ships
    in 3 days
    GM Performance 12615361 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-12615361
    L92/L76 Cylinder Head
  • 70cc Combustion Chamber
  • 2.160'' Intake Vavles
  • 1.590'' Exhaust Valves
  • 0.510'' Valve Lift
  • Bare Head
  • Sold individually
  • $219.99
    Ships
      809-25534428
    LS7 Bare Unported Cylinder Head
  • 356-T6 aluminum head
  • C5R/LS7 rectangle port design - requires rectangle port intake manifold P/N 25534394 or 12568976
  • Machined for 2.20"/1.61" valves
  • Sold individually
    More info on GM Performance 25534428
  • $797.99
    Ships
    in 3 days
    GM Performance 88958622 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-88958622
    CNC-Ported LS6 Racing Clyinder Head Assembly
  • CNC-ported aluminum racing head
  • 2.00" Hollow stem intake
  • 1.55" Sodium filled exhaust valves
  • .570" max valve lift
  • Sold individually
    More info on GM Performance 88958622
  • $1,109.99
    Ships
    in 3 days
    GM Performance 88958765 - GM Performance Parts L76/L92 Series Cylinder Heads
    809-88958765
    CNC-ported aluminum performance head
  • CNC-ported aluminum performance head
  • Lower cost alternative to the CNC LS6 head
  • Fits any 1997-2007 LS family engine
  • 2.00S Solid stem intake
  • .570" max valve lift
  • Sold individually
    More info on GM Performance 88958765
  • $925.99
    Ships
    in 3 days

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