350 HO Deluxe Forget rebuilding! Our 350 HO is assembled with all-new parts and high-flow heads, giving you more power than just about any production-spec Small-Block ever installed at the factory: 333 hp and a satisfying 381 lb.-ft. of torque. It’s affordable power with dependability you can count on. A cast-iron block with four-bolt main caps is the foundation for the 350 HO, which is topped with iron Vortec heads fitted with 1.94/1.50-inch valves. Its durable rotating assembly has aluminum pistons delivering a 9.0:1 compression ratio, while a hydraulic flat-tappet camshaft requires no periodic lash adjustments. The intake manifold, carburetor and distributor are included, but not installed. TECH SPECS Part Number: 19420879 Engine Type: Chevy Small-Block V-8 Displacement (cu in): 350 Bore x Stroke (in): 4.000 x 3.480 Block (P/N 10105123 ): Cast-iron with 4-bolt main caps Crankshaft (P/N 10243070 ): Nodular iron Connecting Rods (P/N 10108688 ): Powdered metal steel Pistons (P/N 12514101): Cast-aluminum Camshaft Type (P/N 24502476 ): Hydraulic flat tappet Camshaft Lift (in): .435 intake / .460 exhaust Cylinder Heads (P/N 12558060 ): Vortec iron; 64cc chambers Valve Size (in): 1.940 intake / 1.500 exhaust Compression Ratio: 9.0:1 nominal Rocker Arms (P/N 10089648 ): Stamped steel Rocker Arm Ratio: 1.5:1 Water Pump (P/N 19201601 ): Cast iron, long-style Flexplate (P/N 14088765 ): 12.750" Recommended Fuel: Premium pump Ignition Timing: 32° Total @ 4,000 rpm Maximum Recommended rpm: 5,100 Balanced: External Intake Manifold (P/N 12496820 ): Dual Plane INSTALLATION NOTES • Comes with 12.750" externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission. • Has right-side oil dipstick • Requires fuel line from fuel pump to carburetor • Fuel pump pressure is pre-set; fuel pressure regulator not required • Some assembly and minor engine tuning required • Designed for pre-1976 street vehicles or any off-road vehicle • Not intended for marine applications
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