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Valve Spring Alert

ATTENTION: Valve Spring Warning for All Packages

On all complete assembly packages, it is very possible that the valve springs are not correct for your camshaft. All valve springs should be checked for compatibility to your camshaft. Severe wear of valve train components and severe engine damage could result from failure to do this. Check spring requirements before heads are installed on the engine. If in doubt please contact your camshaft manufacturer or USA Performance Parts. We do carry optional springs for all of your needs.


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Dart PRO1 Platinum Small Block Chevy Cylinder Heads 180 Port Volume, Assembly, pair

$1,195.00

The NEW Dart Platinum PRO1 180 cc Heads have redesigned ports using Darts exclusive wet-flow technology that conditions the intake charge to produce a more homogenous air/fuel mixture in the cylinders. The result is more efficient combustion and more output. This new head consistently produced gains of 24 peak HP and 20 HP across the operating range.

PRO1 aluminum cylinder heads for small-block V8s deliver advanced airflow technology at an unbeatable price! We have improved the original small-block design with extra-thick decks and high-capacity water jackets that increase reliability in high-performance applications. Hardened exhaust seats and long-lasting mag-bronze valve guides significantly extend cylinder head life. PRO1 heads are engineered for easy installation. They use standard small-block pistons, headers, and valvetrain components, and are bolt-on replacements for most conventional 23 degree heads. Available with 64cc or 72cc combustion chambers and angle or straight spark plugs.

Assemblies are available for hydraulic, hydraulic roller , flat tappet and roller cams.

  • 180cc intake ports
  • 64cc or 72cc chambers
  • Angle or Straight plugs
  • 2.020 x 1.600 stainless steel valves
  • Hyd cam springs - 1.250 single, 110lbs closed, 280lbs open, max lift .510 in
  • Hyd Roller & Flat Tappet springs - 1.440 dual, 120lbs closed, 325lbs open, max lift .600 in

We Specialize in Custom Assemblies with Upgraded Springs, Valves & Retainers

Click here for a Flow Chart.

Part NumberDescriptionPort Vol.Cham. Vol.PlugInt/Exh ValvesSpring Dia.Max LiftCamPriceIn stockPurchase
11110010-A1 Assem, pr18064AP2.02/1.601.250S.510Hydraulic$1,195.00Yes
11110010-A2 Assem, pr18064AP2.02/1.601.440D.600Hyd Roller/Flat Tappet$1,295.00Yes
11120010-A1 Assem, pr18064ST2.02/1.601.250S.510Hydraulic$1,195.00Yes
11120010-A2 Assem, pr18064ST2.02/1.601.440D.600Hyd Roller/Flat Tappet$1,295.00Yes
11210010-A1 Assem, pr18072AP2.02/1.601.250S.510Hydraulic$1,195.00Yes
11210010-A2 Assem, pr18072AP2.02/1.601.440D.600Hyd Roller/Flat Tappet$1,295.00Yes
11220010-A1 Assem, pr18072ST2.02/1.601.250S.510Hydraulic$1,195.00Yes
11220010-A2 Assem, pr18072ST2.02/1.601.440D.600Hyd Roller/Flat Tappet$1,295.00Yes

For Technical Information please click here.

To view this product's Specifications page, please click here.

 
This product was added to our catalog on Thursday 24 March, 2005.
 
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