Chevrolet Performance Parts SP350/357 Base Engine

A NEW STANDARD FOR AFFORDABLE SMALL-BLOCK PERFORMANCE! If it's affordable performance you're looking for to power your project vehicle, Chevrolet Performance's SP350/357 delivers! With 357 horsepower and a deep reserve of low-rpm torque, it quickly reminds you why Chevrolet's original 350 Small-Block has been the industry benchmark for decades. The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new CNC Machined block with four-bolt mains Economical Vortec iron cylinder heads A roller camshaft optimizes drivability and airflow capability It all adds up to a 24-horsepower gain over our 350 HO crate engine – and a great, affordable alternative to rebuilding. 1-piece rear main seal Externally balanced rear (flywheel/flexplate) Internally/neutral balanced front (harmonic balancer) Chevrolet Performance Crate Engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty. Highlights The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new CNC Machined block with four-bolt mains Economical Vortec iron cylinder heads A roller camshaft optimizes drivability and airflow capability It all adds up to a 24-horsepower gain over our 350 HO crate engine – and a great, affordable alternative to rebuilding. 1-piece rear main seal Specifications Crate Engine Type: Long Block Engine Displacement: 350 cu. in. Camshaft Type: Hydraulic Roller Cylinder Head Material: Cast Iron Piston Material: Cast Aluminum Crankshaft Material: Forged Steel Camshaft Duration (.050 in): 215° intake / 223° exhaust Camshaft Lift (in): .473 intake / .473 exhaust Bore x Stroke (in): 4.000" x 3.480" Carburetor Included: No Intake Manifold Included: No Distributor Included: No Connecting Rod Material: Powdered Metal Valve Covers Included: Yes Engine Balance: External Cylinder Heads Included: Yes Rear Main Seal Style: 1-piece Throttle Body Included: No Timing Cover Included: Yes Water Pump Included: No Harmonic Balancer Included: Yes Flexplate Included: No Flywheel Included: No Air Cleaner Included: No Spark Plugs Included: No Spark Plug Wires Included: No Computer Included: No Wiring Harness Included: No MFG. Part #: 19433032 Brand: Chevrolet Performance Parts Emissions Notice Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine