SP 383 Cu. In./435 Horsepower Deluxe Crate Engine GMP19355722 SP 383 Deluxe small block Chevy offers more torque than ever, 445 ft./lbs. Cast iron, four-bolt block incorporates a forged steel crankshaft, powdered metal connect- ing rods, hypereutectic pistons and a hydraulic roller camshaft. Aluminum cyl-
572 Cu. In./620 Horsepower Deluxe Crate Engine GMP19331583 Extremely powerful, pump gas engine delivers 621 horsepower through use of a 572 cu. in. tall deck, big block Chevy engine. Cast iron, four-bolt block is fitted with a forged
steel crankshaft, forged connect- ing rods, forged 9.6:1 pistons and a hydraulic roller camshaft. The block is topped with high flow, aluminum rectangular port cylinder heads with
inder heads are based on the Fast Burn design with large intake runners, 2.00” intake and 1.55” exhaust valves, and aluminum roller rocker arms. Engine is topped with a high flow, aluminum intake manifold. Carburetor, ignition, fuel pump and starter are not included. SP 383/435 Deluxe Crate Engine Specifications Horsepower 435 Compression Ratio 9.6:1 Camshaft Type Hydraulic Roller Camshaft Duration 222°/230° @ .050” Valve Lift .509”/.528” Intake/Exhaust Valve Sizes 2.000”/1.550”
2.250” intake and 1.880” exhaust valves, and aluminum roller rocker arms. Engine is complemented with an aluminum single plane intake manifold, orange powder coated valve covers, HEI distributor, 850 CFM carburetor and flexplate. Starter, fuel pump and ignition coil not included. 572/620 Deluxe Crate Engine Specifications Horsepower 621 Compression Ratio 9.6:1 Camshaft Type Hydraulic Roller Camshaft Duration 254°/264° @ .050” Valve Lift .632”/.632” Intake/Exhaust Valve Sizes 2.250”/1.880” ZZ572 Cu. In./720 Horsepower
LS376 Cu. In./525 Horsepower HO Crate Engine GMP19301360 High performance, LS3 engine includes the addition of an improved camshaft and higher rate valve springs for even greater horsepower. Gen IV LS block includes a nodular iron crankshaft, powdered metal con- necting rods, 10.7:1 compression ratio hypereutectic pistons, hydraulic roller camshaft, aluminum L92 cylinder heads,
Crate Engine GMP19201334 The largest, most powerful crate engine offered by GM Performance Parts. The ZZ572 big block Chevy is capable of 9-second elapsed times in a properly prepared drag rac- ing chassis. Gen VI tall deck bowtie block is fitted with a forged steel 4.375" stroke crankshaft, forged
intake manifold and throttle body. Requires Engine Controller Kit GMP19259261 and Engine Kit Installation Guide GMP88959384. LS376/525 Horsepower Crate Engine Specifications Horsepower 525 Compression Ratio 10.7:1 Camshaft Type Hydraulic Roller Camshaft Duration 226°/236° Valve Lift .525"/.525" Int./Exh. Valves 2.16"/1.59" 454 Cu. In./425 Horsepower Crate Engine GMP12568774
steel connecting rods, forged 12:1 compression ratio pistons, mechanical roller camshaft, aluminum rectangular port cylinder heads, electronic distributor and single plane intake manifold with a 1090 CFM Dominator carburetor. Requires 110-octane race fuel. Flywheel/flexplate, starter, fuel pump and ignition coil not included. ZZ572/720 Horsepower Crate Engine Specifications Horsepower 720 Compression Ratio 12:1 Camshaft Type Mechanical Roller Camshaft Duration 278°/282° @ .050" Valve Lift .714"/.714" Int./Ex. Valves 2.25"/1.88" SB Chevy Production-Based And Bowtie Sportsman Blocks Choose from production-based or heavy duty Bowtie Sportsman engine
Affordable, 454 cu. in. big block delivers 425 horsepower and 500 lbs./ft. of torque, and is fully capa- ble of street or strip duty. Durable engine includes an updated iron block, forged crankshaft, forged connecting rods, 8.75:1 compres- sion ratio forged pistons, hydraulic
roller camshaft, iron rectangular port cylinder heads, dual plane aluminum intake manifold, water pump and flexplate. Carburetor, ignition and starter are not included. 454/425 Horsepower Crate Engine Specifications Horsepower 425 Compression Ratio 8.75:1 Camshaft Hydraulic Roller Camshaft Duration 211°/230° @ .050" Valve Lift .510"/.540" Intake/Exhaust Valve Sizes 2.190"/1.880"
blocks. Heavy duty bowtie blocks feature full CNC-machining and four-bolt, nodular iron main caps.
Rear Main Seal
Part No.
Description
Bore
GMP10066034 350 Cu. In. Production-Based Block 4.000" GMP10105123 350 Cu. In. Production-Based Block 4.000" GMP12480047 350 Cu. In. Bowtie Sportsman Block 3.980" GMP12480157 400 Cu. In. Bowtie Sportsman Block 4.117"
2-Pc. 1-Pc. 2-Pc. 2-Pc.
326
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