MERLIN WORLD CLASS

BIG BLOCK CHEVROLET
COMPLETE STREET ENGINES

There’s nothing quite as “in-your-face” as a big-inch “rat” motor. With a much larger displacement than any factory big block Chevrolet offering, World’s 509 and 540 cubic inch Merlin powerplants give you ground-pounding horsepower and torque at a moderate price.

ALUMINUM BLOCK OPTIONAL

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Build Sheet
Big Block Chevrolet Street Engines
Part # C.I.D. HP Torque Block Heads
108000 509 540 575 Merlin III Cast Iron Merlin 345 Cast Iron
108001 509 560 585 Merlin III Cast Iron Merlin III 350 Aluminum
108001A 509 560 585 Merlin X Aluminum Merlin III 350 Aluminum
108050 540 580 595 Merlin III Cast Iron Merlin 345 Cast Iron
108051 540 600 605 Merlin III Cast Iron Merlin III 350 Aluminum
108051A 540 600 605 Merlin X Aluminum Merlin III 350 Aluminum