and Performance Parts and Accessories
2012 GMC All Models GM Performance Parts
GM Performance Parts was founded to supply Trans Am racing teams with cutting edge components. When these products were released to the public, GM Performance Parts were seen on everything from street machines to Winston Cup cars. Today, GM Performance Parts manufactures race-proven crate engines, air/fuel components, transmission equipment, valve train components, and more!
The Ultimate ?ZZ? 350-Based Crate Engine from Chevrolet Performance! Chevrolet Performance?s ZZ6 engine uses aluminum Fast Burn cylinder heads equipped with LS-style beehive valve springs for greater high-rpm performance. It?s rated at 405 horsepower and 406 lb.-ft. of torque more than any small block engine ever offered in a production Chevrolet muscle car or Corvette! The ZZ6 is built with a cast-iron block with four-bolt mains, along with a forged steel crankshaft, an aggressive hydraulic roller ca mshaft and durable, high-silicon pistons. All-new, motorsports-inspired valve covers distinguish this new crate engine at a glance, too along with Chevy Bow Tie insignias in the ends of the cylinder heads that let everyone know you?ve got the latest Chevr olet Performance hardware under the hood. This Turn-Key engine package includes the distributor, and balancer installed. The carburetor, starter, fuel pump, air conditioning pump, alternator, single belt front-end accessory drive kit and more are also inc luded. Specifications: Engine Type: Chevrolet small block V8 Displacement: 350 cubic inch Bore x Stroke: 4.00" x 3.48" Block (P/N 10105123): Cast-iron with 4-bolt mains Crankshaft (P/N 12 556307): Forged steel Connecting Rods (p/n 10108688): Forged powder metal Pistons (P/N 10159436): Hypereutectic aluminum Intake Manifold (P/N 12496822): Single-plane aluminum Carburetor (P/N 19170093): 770 cfm Holle y Camshaft (P/N 10185071): Steel hydraulic roller Valve Lift (in): .474 intake/.510 exhaust Camshaft Duration (@.050 in): 208° intake / 221° exhaust Cylinder Heads (p/n 19300955): Fast Burn aluminum; 62cc chambers Valve Size (inches): 2.000 intake / 1.550 exhaust Compression Ratio: 9.72:1 nominal Rocker Arms (p/n 19210724): Aluminum roller style Rocker Arm Ratio: 1.5:1 Recommended Fuel: Premium pump Distrib utor (P/N 93440806): HEI Ignition timing: 36º Total @ 4,000 rpm Maximum Recommended RPM: 5,800 rpm Balance: External Installation Notes Comes with 12.750" externally balanced 153-tooth automat ic transmission flexplate. Change to externally balanced flywheel for manual transmission applications. Requires fuel line from fuel pump to carburetor Designed for pre-1976 street vehicles or any off-road vehicle Some asse mbly and minor engine tuning required Not intended for marine application GM crate engines come with a 24-month/50,000 mile limited warranty.
The Chevrolet Performance HT383E crate engine is an affordable and more powerful direct replacement for the tired 350 engine in your 1996-99 full-size GM truck or SUV. The larger displacement delivers up to 10 percent more horsepower and more usable to rque for effortless towing. It is extra power you won?t get with a stock-type rebuild or reconditioned used engine. The HT383E is designed to replace the L31 5.7-liter engine in half-ton models of the Silverado, Suburban, Tahoe, Sierra, and Yuko n. You simply swap the intake manifold, throttle body, exhaust manifolds, and other accessories from your old 350 onto the HT383E and install it in your truck with no further modifications. The engine uses a brand-new four-bolt main block, a for ged steel crankshaft, a smooth roller camshaft, and durable iron Vortec heads, helping it deliver the dependable power you expect from the venerable Small-Block V-8. It even comes with a new distributor, water pump, and other components that would be repl aced during a rebuild. Includes: Engine assembly Intake manifold gasket kit Distributor Spark plug wire set Oil adapter gasket kit (4WD only) Instructions Speci fications: Engine Type: Chevy Small-Block V-8 Displacement: 383ci Bore x Stroke: 4.000" x 3.800" Block: Cast-iron with four-bolt main caps Crankshaft: 4340 forged steel Connecting Rods: Heavy- duty PM steel Pistons: Hypereutectic aluminum Camshaft Type: Hydraulic roller Camshaft Lift: .431" intake / .451" exhaust Camshaft Duration (@.050 in.): 196° intake / 206° exhaust Cylinder Heads: V ortec iron; 64-cc chambers Valve Size: 1.940" intake / 1.500" exhaust Compression Ratio: 9.1:1 Rocker Arms: Stamped steel Rocker Arm Ratio: 1.5:1 Water Pump: Cast-iron Recommended Fuel: 87 octane Maximum Recommended RPM: 5000 Balanced: External Installation Notes: Requires the reuse of the stock intake manifold, wiring harness, and fuel injection system D ue to calibration variances between half-, three-quarter-, and one-ton vehicles, this engine is designed for half-ton trucks and SUVs only Comes with 12.75-inch externally balanced 153-tooth automatic transmission flexplate Requires ex ternally balanced flywheel for manual transmission Has right-side dipstick Performance recalibration of engine control unit (ECU) will significantly increase torque and horsepower Important : This engine is not emissions-legal in CA or states that have adopted CA emissions regulations. Note: Special order, must be prepaid. Non-returnable. Non-refundable. Please contact Classic Industries&re g; by Phone, Fax or E-Mail to order this item. Shipped truck freight. No further discounts apply.