Excellent performance and durability across a wide variety of applications. Part of GM's small-block V8 series, it's one of the most successful engines in our automotive history. Available for most GM applications from 1970 to current. Available with standard 2-bolt main caps and in heavy-duty 4-bolt main versions.

• Nodular iron crankshaft features enlarged journal fillet for increased durability
• Induction-hardened inlet valve seats and sintered powder metal exhaust valve seat inserts on CNG models for maximum durability
• On 1987 passenger cars and newer applications, the hydraulic roller lifter camshaft is optimized for maximum performance
• Models available for use of gasoline, propane gas or natural gas
• Overhead valve configuration produces high torque at lower RPM for excellent take-off power and quieter operation