Cylinder Head / Valvetrain

Cylinder Head / Valvetrain
  • ARP Aluminum 60V6 Head Stud Kit

    ARP Aluminum 60V6 Head Stud Kit

    This kit has been tested on a the 2.8/3.1 MPFI, 3100 SFI, 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 dow…

    $229.99

  • ARP 3.4 DOHC 60V6 Head Stud Kit

    ARP 3.4 DOHC 60V6 Head Stud Kit

    This kit is for the 3.4 DOHC engine (LQ1) 91-97.  Includes 16 studs, washers, and nuts.  Most important thing to know for this kit, is the cylinder heads need to be modified around the bolt holes to allow room for the washer.  Otherwise only the nut will fit on top.  Simple work for a machine sh…

    $239.99

    $239.99

  • 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 extreme cy…

    $219.99

    $219.99

  • 3.4/3400 MLS Head Gaskets

    3.4/3400 MLS Head Gaskets

    MLS head gaskets are comprised of three to five 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 ex…

    $219.99

    $219.99

  • Custom Length Pushrods

    Custom Length Pushrods

    Custom length pushrods will give you the most from your camshaft upgrade due to the optimal preload on the lifter, and the thicker .083" wall thickness.  Made from heat treated 4130 chromoly steel coupled with heat treated pushrod ends, and good for up to 700 pounds open valve spring pressure. Whe…

    $164.99

    $164.99

  • Adjustable Pushrod

    Adjustable Pushrod

    5.700-6.250" range adjustable pushrod to determine the correct pushrod lengths for optimal preload. 

    $22.99

    $22.99

  • Manley Retainers and Keepers

    Manley Retainers and Keepers

    Set of 12 Manley 4140 chromemoly steel retainers and machined keepers, made in the USA. 13% lighter than stock per valve and more consistant install height than Comp.  Manley shaved the top of the retainer to be flush with the keepers, which gives more clearance between the retainer and the rocker…

    $124.99

    $124.99

  • PAC 1215 Valve Spring Set

    PAC 1215 Valve Spring Set

    Set of 12 PAC 1215 springs. This USA made beehive spring is a drop in replacement for 3100, 3400, and 3500 engines, with a 1.700" Install height  Drop in with matching retainers for the Gen 2 2.8/3.1 Aluminium head engines, using the same stock 1.700" install height.  3.5/3.9 VVT engines also use…

    $134.99

  • PAC 1218 Valve Spring Set

    PAC 1218 Valve Spring Set

    Set of 12 PAC 1218 springs.  This USA made beehive spring is a drop in replacement for 3100, 3400, and 3500 engines, with a 1.700" Install height  Drop in with matching retainers for the Gen 2 2.8/3.1 Aluminium head engines, using the same stock 1.700" install height.  3.5/3.9 VVT engines also us…

    $135.99

  • PAC 1286 Valve Spring Set

    PAC 1286 Valve Spring Set

    Set of 12 PAC 1286 springs.  This USA made beehive spring is a drop in replacement for 3100, 3400, and 3500 engines, with a 1.700" Install height  Drop in with matching retainers for the Gen 2 2.8/3.1 Aluminium head engines, using the same stock 1.700" install height.  3.5/3.9 VVT engines also us…

    $134.99

  • Comp 26986 Valve Springs

    Comp 26986 Valve Springs

    Set of 12 Comp 26986 Valve Springs.  Drop in fit for all aluminum head 60V6 pushrod engines.  Uses the same retainers as 3100, 3400, 3500, and fits the stock seat/seal combination as well as the Gen 2 2.8/3.1 MPFI Aluminum head setups.  Recommended for its ease of installation for all Stage 1 des…

    $164.99

    $164.99

  • Comp 26915 Valve Springs

    Comp 26915 Valve Springs

    Set of 12 Comp 26915 Valve Springs.  These springs will fit the stock 3100/3400/3500 valve spring seat/seal combination, or you can run our LS style seat and seals.  3500/3900 VVT engines can use the stock seat/seal without any interference due to the smaller .500" OD valve guide. 105 @ 1.80…

    $154.99

    $154.99

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