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Chevrolet Performance ZZ572ci/620HP Engine TBA Sportsman Tall Deck Gen VI Bow Tie Block 4.560'' Bore x 4.375'' Stroke 1-Piece Rear Main Seal Forged 4340 Steel Crankshaft Forged 4340 Steel H-Beam Connecting Rods Forged Aluminum Pistons Plasma Moly Piston Rings Hydraulic Roller Camshaft Camshaft Lift: .632" Intake/Exhaust Camshaft Duration at .050": 254° Intake, 264° Exhaust Aluminum Cylinder Heads (Rectangular Port, 118cc Chambers) Valves: 2.250'' Intake, 1.880'' Exhaust Hardened Chrome Moly Steel Spring Retainers Aluminum Roller Rocker Arms (1.7 to 1 Ratio) Aluminum Intake Manifold (Single Plane, 4150 Series) Double Pumper 850 cfm Carburetor	Chevrolet Performance LS3 6.2L 376ci/430HP Engine TBA The Chevrolet Performance LS3 6.2L 376ci/430HP Engine began with the 2008 Corvette. A continuation of the industry leading V8 engines from GM Powertrain, the LS3 kicks out 430 horsepower and 424 ft/lbs torque (in the Corvette, those numbers go to 436 HP and 428 ft/lbs torque with the optional dual mode exhaust system).	Chevrolet Performance ZZ454ci/440HP Engine TBA Block: Cast Iron Crankshaft: Forged Steel Connecting Rods: Forged Steel Pistons: Forged Aluminum Camshaft: Hydraulic Roller Timing Chain: Single Roller Cylinder Heads: Cast Aluminumer Intake Valves: 2.19" Exhaust Valves: 1.88" Rocker Arms: Stamped Steel Torsional Damper: 8" Flexplate: 14"
Engineered for high horsepower/high torque engines, IMCO’s SCX. TBA No transmission needed Cone clutch shifts internally Fits Bravo HD gimbal with helmet change Larger net-forged, 1 piece gears and oversized bearings Larger clutch Internal water cooling with built-in drive shower Giant 5 quart oil capacity 3 gear ratios available 1:25, 1:34, 1:50 2 prop shafts available 1 7/16” or Mercury Racing #6 Can be ordered with SC Lower	"LS3" 6.2L V8 Marine Engine TBA High flow cylinder head design to improve exaust port flow Enhanced valvetrain enables a more direct intake port Returnless fuel injection with stainless steel fuel rail Intake ports revised to match new cylinder head. The composite intake manifold is manufactured with a lost core process to improve runner to runner variation and to reduce flow losses. Acoustic foam is sandwiched between the outside top of the intake manifold and an additional "skull cap" acoustic shell to reduce radiated engine noise. Structural enhancement have been added to the manifold bosses. Larger bore block with structural improvements improves block structure and bay to bay breathing Pistons include design enhancements for the higher engine output highers flow injectoers Beauty cover has a revised appearance and acoustic treatment	High Performance 6.2 LSA Supercharged 525 HP (premium fuel required) TBA High flow cylinder head design with Swirl-Wing technology Enhanced valvetrain with offset intake rocker arms to enable a more direct intake port Returnless fuel injection with center feed stainless steel fuel rail 103.25 mm bore block with structural improvements and nodular iron bearing caps New sumped pistons with 9.1:1 compression ratio 6.52 gms/sec. high flow injectors 1.9L /rev Roots type four lobe rotor supercharger with 160 deg. rotor twist Integrated single brick charge air cooler Piston oil spray cooling Forged steel crankshaft Four active layer MLS head gasket Stacked plate aluminum oil cooler

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