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Dart's New Top End Kit is the perfect way to finish your Small Block Ford engine. This was designed to top off the New Dart Ford short blocks but will fit any SB Ford engine with 8.2 in deck height. Includes 170cc Pro1 aluminum cylinder heads, assembled with 1.250 OD single springs for hydraulic cams or 1.437 OD dual springs for hydraulic roller cams up to .600 lift. Also available for flat tappet solid cams. All heads have 62cc chambers and severe duty stainless valves. Includes a Dual or Single Plane intake manifold. Pro1 Ford 170cc Aluminum Cylinder headsFully assembled with 1.94 x 1.60 stainless valvesCast Aluminum valve coversIntake manifold, matched to compliment the cylinder headsIntake, head & exhaust gasketsSpark plugsARP head bolts1.250 single spring 110# at 1.700 for .520 max lift - Hyd Cam1.437 dual spring 130# at 1.800 for .600 max lift - Hyd Roller or Solid flat tappet |
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.
