Page 13 of Performance Crate Engines by NAPA

part no ch383pc40 power crate raw horsepower aluminum heads 475 hp 475 torque engine specifications · · · · · · · · · · horsepower torque balanced bore x stroke compression ratio recommended fuel maximum rec rpm block crankshaft pistons 475 475 dynamically 4.03 x 3.75 10.3:1 92 octane 5,800 4 bolt iron nodular iron hypereutectic coated skirt forged i beam steel full roller 1.6:1 hyd roller .543 545 234°/240° aluminum hand worked dual plane air flow 1 year · connecting rods · rockers · camshaft lift intake/exhaust dur .050 int exh · cylinder heads · manifold windyntm superflow corp.©2000 test 950/951 · warranty engine details serious horsepower from a small block chev fully balanced coated piston skirts arp fasteners with balancer flywheel 2.055 1.6 stainless steel valves this engine is ready to go dyno tested above with single plane and dual plane manifolds tested with 850 cfm carb and 35º total timing intake valve 1.6 exaust 2.055 vacuum 10 900 rpm 8.5 @700 rpm slightly lopey idle 1 4-hole spacer special internal balance must use melonized steel distributor gear not legal for sale on pollution controlled motorized vehicles boats or equipment specifications subject to change without notice 9

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