Small block chevy casting numbers. 150" bores, 2. 00-4. Aug 26, 2021 · Learn how to locate, ID, and decode SBC engine casting numbers and engine ID codes. 366298. Aug 15, 2024 · Chevrolet engine casting numbers are unique identifiers stamped on engine blocks for identification purposes. Chevrolet small-block engine information: Chevy V8 casting numbers, bore and stroke, parts for sale, engine building, Chevy restoration and racers. Read our SBC 350 torque specs and build the engine you want at JEGS today! Looking for Chevy casting numbers ? This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. Learn to identify its history and specifications. Small Block Chevy Casting Numbers Please see the attached charts to help figure out exactly what you have. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. Find the casting number and year of your small block Chevy engine. About Casting Numbers Casting numbers are identification codes cast into engine blocks, cylinder heads, and other components during manufacturing. 00" bore. By understanding the Oct 14, 2024 · Explore how to identify, decode, and understand small block Chevrolet engine casting numbers for restoration and performance upgrades. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. Small Block Chevy Suffix Codes: CE - CMJ GM body designation. Aug 26, 2022 · Learn about small block chevy torque specs online at JEGS. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Find the casting numbers, sizes, years and main cap bolts of different small block Chevy V8 engines. caps, 2-piece seal, 4. Quickly, A = Chevelle, F = Camaro, X = Nova. . All these are identified . com Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). 398" bore with sleeves, two piece rear main seal. Chevy Small Block V8 Engine Identification What's The Difference Between The Casting Number And Engine ID Code? There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Below you’ll find every verified SBC block casting number organised by displacement in pure bullet lists for quick scanning. iron splayed caps, wet sump, 4. Find out the displacement, horsepower, application, and date of your small block Chevy engine. Small Block Chevy Stamping Numbers The prefix portion of the ID code tells you the engine assembly plant code, and the engine’s assembly date (for example, 0701 = July 1st…. 13 (250 Votes) Apr 14, 2023 · LS and GM Small Block Engine Identification, Casting Numbers and How to Figure Out Which Engine You Have By Brad AdairApril 14, 2023. See the list of casting numbers from 302 to 454 and their corresponding CID, bolt pattern, and comments. Apr 19, 2025 · Knowing the exact casting number on a small block Chevy saves money, confirms authenticity, and guides performance upgrades. When restoring or rebuilding a Chevrolet engine, decoding the casting numbers is crucial for ensuring the correct parts are used. If you have a small block Chevy engine, and need to identify any parts you have laying around, or maybe the engine that is in your truck, I think you will find the pages below invaluable. com, providing valuable information for enthusiasts and restorers. Photos and diagrams of Chevy casting number locations for blocks and heads for big block and small block V8 engines. Nov 11, 2024 · Explore how to decode Small Block Chevy engine codes and locate stamping numbers for accurate identification, ensuring optimal performance. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Jul 15, 2014 · Head Casting Numbers: Chevrolet Small Block Engines Estimated Reading Time: 6 Minutes 286 July 15, 2014 General Topics 0 179K Rating: 4. Oct 13, 2024 · Explore SBC engine block casting numbers, their significance for performance, identification methods, common examples, and decoding tips for restoration. See the locations and suffix codes of the casting numbers on the web page. These numbers help determine engine specifications and compatibility with other parts, such as cylinder heads and crankshafts. See full list on chevyhardcore. straight nodular iron main . If you're looking at the engine code - this is already known. no year is indicated). They help identify: Part specifications and capabilities Year range of production Applications and compatibility Performance characteristics Questions? Comments? Join our Discord and let's talk! Oct 20, 2024 · Explore the essentials of Small Block Chevy engines, including identification, performance features, and data charts. Sep 1, 2025 · Unlock the secrets of your small block Chevy engine with a guide on decoding engine stamping numbers. Feb 10, 2023 · The first place we typically look is the casting number on the back of the block. Unlock your engine’s potential!Unlock the true potential of your small block Chevy (SBC) engine with our comprehensive guide to SBC engine block casting numbers. Nov 22, 2024 · Explore the basics and identification tips for Small Block Chevy engines, including features, casting numbers. Oct 20, 2024 · Explore how to decode Small Block Chevy engine casting numbers, identify key features, and understand their significance. These two numbers are the casting Photos and diagrams of Chevy casting number locations for cylinder heads for big and small block V8 engines. SBC Block Casting Numbers The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. 45" main journals. Nov 1, 2013 · Decode Chevy engine codes with this comprehensive guide from NastyZ28. 4Bowtie, Aluminum, billet main caps, 3. yrv yxlctbh mogjjwp cb08t rqah xkbjg ejr srm40 q1fr bdi