MERLIN 509 Complete Engines

A 509 cubic inch MERLIN gives you ground pounding horsepower and torque at a moderate price!

MERLIN 540 Complete Engines

The MERLIN 540 is one of the most popular engines from World Products.

MERLIN 572 Complete Engines

Compare a MERLIN 572 engines to the OEM 572/620 and you'll see you get far more bang for your buck!

MERLIN 632 Complete Engines

It’s hard to beat this monster MERLIN 632 engine for all-out power and torque!

World Products Merlin T-Shirt

The World Products Merlin T-Shirt. The Merlin series of Big Block Chevy products are the strongest!

World Products Engine Horsepower Recipe CDs

Take the guesswork out of your next Engine Project with an Engine Horsepower Recipe CD.