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Fits where standard big blocks do without specialized headers or intake spacers.

By using a low deck (9.8") block instead of a tall deck (10.2"), the engine is roughly 40 lbs lighter and more compact for tight engine bays. ✅ Pros: Why Builders Choose It 615-bbc-short-block

Forced induction builds from shops like Steve Morris Engines have pushed this displacement past 3,000 HP . Fits where standard big blocks do without specialized

The 615 is the "weapon of choice" for racers who want maximum cubes without the bulk of a tall-deck engine. For the best results, look for kits or assemblies from established shops like Shafiroff Racing or PAR Racing Engines. 615-bbc-short-block