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Cylinder Heads

Image Name Price  
3400 Cylinder Heads (1996-2002) 3400 Cylinder Heads (1996-2002)
To keep our inventory totals up to date and public, our cylinder head options are now all under 1 listing.   The 2000-2002 3100 engines also fall under this listing, and are 100% compatible as returnable cores.  Please check your motor if you own a 2002, as some of the last produ…
$199.99
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3400 Cylinder Heads (2003-2005) 3400 Cylinder Heads (2003-2005)
To keep our inventory totals up to date and public, our cylinder head options are now all under 1 listing.  These are the 8mm version of the 1996-2002 10mm heads.  2003-2005 3100 engines use the same head casting and are 100% compatible as cores.  Base price is for a set of …
$199.99
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3500 Cylinder Heads (2004-2006) 3500 Cylinder Heads (2004-2006)
To keep our inventory totals up to date and public, our cylinder head options are now all under 1 listing.   These are the final revision GM made to the 2.8 block that was introduced in 1980.  Base price is for a set of heads, cleaned, blasted, and checked for cracks.&nbs…
$199.99
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2.8/3.1/3100 MLS Head Gaskets 2.8/3.1/3100 MLS Head Gaskets
MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics (reusable!) and are corrosive resistant. MLS head gaskets reduce bore distortion and withstand extrem…
$199.99
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3400 MLS Head Gaskets 3400 MLS Head Gaskets
MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics (reusable!) and are corrosive resistant. MLS head gaskets reduce bore distortion and withstand extrem…
$199.99
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3500 LX9 MLS Head Gaskets 3500 LX9 MLS Head Gaskets
MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics (reusable!) and are corrosive resistant. MLS head gaskets reduce bore distortion and withstand extrem…
$199.99
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LX9 3500 Head Gaskets LX9 3500 Head Gaskets
This listing is for 2 Felpro 3500 head gaskets.  
$44.99
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1994-1999 3100 Head Gasket Kit 1994-1999 3100 Head Gasket Kit
A complete gasket setup for installing heads on your 1994-1999 3100 engine.   Kit includes Felpro - 2 Heavy Duty Head Gaskets, Metal Lower Intake Gaskets (latest revision), Upper Intake Gaskets, Valve Cover Gaskets, Exhaust Manifold Gaskets, Throttlebody Gasket, EGR Gaskets, The…
$199.99
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2000+ 3100 Head Gasket Kit 2000+ 3100 Head Gasket Kit
A complete gasket setup for installing heads on your 2000 and newer 3100 engine. Kit includes:  Felpro - 2 Heavy Duty Head Gaskets, Metal Lower Intake Gaskets (latest revision), Upper Intake Gaskets, Valve Cover Gaskets, Exhaust Manifold Gaskets, Throttlebody Gasket, EGR Gaskets, Thermostat Se…
$189.99
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3400 Head Gasket Kit 3400 Head Gasket Kit
A complete gasket setup for installing heads on your 96-05 3400 engine Kit includes Felpro - 2 Heavy Duty Head Gaskets, Metal Lower Intake Gaskets (latest revision), Upper Intake Gaskets, Valve Cover Gaskets, Exhaust Manifold Gaskets, Throttlebody Gasket, EGR Gaskets, Thermostat Seal, Heater T…
$204.99
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3500 Metal Head Gasket Kit 3500 Metal Head Gasket Kit
The "Metal" version of the 3500 head gasket kit is in reference to the lower intake gaskets.  This kit is not available from any company, so we made our own to use the best parts available.  This kit is based on a 3400 set, so the head gaskets are 3.750" bore instead of 3.80…
$229.99
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Head Bolts Head Bolts
Stock head bolts are a torque to yield design, which means they stretch when they are installed to their specified torque rating (For example, the 3400 is 44 lb ft + 95°).  Once the bolt has been used, it should not be used again.  Please put the vehicle in the addition…
$36.99
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2.8/3.1/3.4 RWD ARP Head Stud Kit 2.8/3.1/3.4 RWD ARP Head Stud Kit
ARP head stud kit for all iron head 60V6 motors. 
$90.99
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ARP Head Stud Kit ARP Head Stud Kit
This kit has been tested on a the 3100, 3400, and 3500 cylinder heads using the stock roller rocker arms.  Includes 8 long studs, 8 short studs, 16 washers, and 16 12 point nuts. Recommened ARP moly lube is included.  Studs should be installed hand tight and the nuts torqued down 82 foot p…
$184.99
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