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Chevrolet Performance 350ci/355HP Circle Track Limited Late Model "GM 603" Engine
The Chevrolet Performance 350ci/355HP Circle Track Limited Late Model "GM 603" Engine has the heart of the durable and proven ZZ4 crate engine with added features to make it a legal factory-sealed circle track race engine (Check your track rules for correct application)! The high velocity-intake runners and D-shaped exhaust ports on the ZZ4 high-performance heads provide the high RPM performance needed to get you to the front of the pack at Saturday night's feature race, just add your carburetor, starter and exhaust and don't forget to mention Chevrolet Performance Parts in the winner's circle interview!
355 HP @ 5250 RPM
405 ft/lbs TQ @ 3500 RPM
10:1 Compression Ratio
Cast Iron 4-Bolt Main Block with 1-Piece Rear Main Seal