MERLIN Partial Engines

There’s nothing quite as in your face as a big-inch rat motor!

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!