The Chevrolet Performance 19435440 SP350/385 HP Base Crate Engine is a Chevy Small-Block 350 V-8 rated at 385 horsepower and 405 lb-ft of torque at 3,600 rpm. Built around a cast-iron block with four-bolt main caps, a shot-peened forged steel crankshaft, powdered metal connecting rods, and hypereutectic aluminum pistons. Fast Burn aluminum cylinder heads with 62cc chambers and 2.000 in. intake / 1.550 in. exhaust valves pair with a hydraulic roller camshaft and beehive valve springs for extended high-rpm performance without sacrificing low-end torque. Base configuration includes intake manifold, distributor, water pump, damper, and flexplate. Designed for pre-1976 street vehicles or off-road use.

Chevrolet Performance 19435440 Features:

• Chevy Small-Block 350 V-8, 4.000 in. x 3.480 in. bore and stroke
• 385 HP and 405 lb-ft of torque at 3,600 rpm
• Cast-iron block with 4-bolt main caps
• Forged steel crankshaft, shot peened
• Powdered metal connecting rods
• Hypereutectic aluminum pistons
• Hydraulic roller camshaft: 0.474 in. intake / 0.510 in. exhaust lift; 208 deg intake / 221 deg exhaust duration at 0.050 in.
• Fast Burn aluminum cylinder heads, 62cc chambers, 2.000 in. intake / 1.550 in. exhaust valves
• 9.6:1 nominal compression ratio
• Stamped steel rocker arms, 1.5:1 ratio
• Externally balanced; 12.750 in. 153-tooth automatic transmission flexplate included
• Dual-plane intake manifold included
• Premium pump fuel; 36 deg total timing at 4,000 rpm
• Maximum recommended 5,800 rpm
• Designed for pre-1976 street vehicles or off-road use
• Requires four-barrel carburetor, spark plug wires, and additional components to complete
• Not intended for marine applications

Chevrolet Performance 19435440 Supersedes: 19333157, 19417618, 19417624, 19432101, 19433039